Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Frontier Airlines

The cheapest airline(s) flying from Knoxville to Denver is Frontier Airlines.

  • Frontier Airlines Frontier Airlines
  • Allegiant Air LLC Allegiant Air LLC
  • United Airlines United Airlines
  • American Airlines American Airlines
Cheapest Month December

Travel Period: December 2024 - November 2025

The cheapest month(s) to fly from Knoxville to Denver is December.

  • Dec 2024
  • Jan 2025
  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
Cheapest Day of the Week Sunday

The cheapest day(s) of the week to fly from Knoxville to Denver is Sunday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Sat, 2 Nov, 2024

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      • Availability
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      • 19:08 TYS
        20:24 DEN
        3Hrs, 16m Direct
      • TYSKnoxville Airport 19:08 - DEN 20:24 3h 16m Direct
      • TYSKnoxville Airport 19:08
      • DENDenver Intl Airport 20:24
      • 3h 16m
      • Direct
      • Frontier Airlines (F9 4369)Airbus A320 Neo
      • Frontier Airlines (F9 4369)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • Airbus A320 Neo
      • 19:15 TYS
        20:31 DEN
        3Hrs, 16m Direct
      • TYSKnoxville Airport 19:15 - DEN 20:31 3h 16m Direct
      • TYSKnoxville Airport 19:15
      • DENDenver Intl Airport 20:31
      • 3h 16m
      • Direct
      • Frontier Airlines (F9 4369)Airbus A321 Neo
      • Frontier Airlines (F9 4369)
        • -
        • -
        • -
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        • F
        • -
        • -
      • Airbus A321 Neo
      • 19:26 TYS
        20:42 DEN
        3Hrs, 16m Direct
      • TYSKnoxville Airport 19:26 - DEN 20:42 3h 16m Direct
      • TYSKnoxville Airport 19:26
      • DENDenver Intl Airport 20:42
      • 3h 16m
      • Direct
      • Frontier Airlines (F9 4369)Airbus A321 Neo
      • Frontier Airlines (F9 4369)
        • -
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        • -
        • -
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        • -
      • Airbus A321 Neo
      • 05:40 TYS
        06:56 DEN
        3Hrs, 16m Direct
      • TYSKnoxville Airport 05:40 - DEN 06:56 3h 16m Direct
      • TYSKnoxville Airport 05:40
      • DENDenver Intl Airport 06:56
      • 3h 16m
      • Direct
      • Allegiant Air LLC (G4 3060)Airbus
      • Allegiant Air LLC (G4 3060)
        • -
        • -
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      • Airbus
      • 06:30 TYS
        07:46 DEN
        3Hrs, 16m Direct
      • TYSKnoxville Airport 06:30 - DEN 07:46 3h 16m Direct
      • TYSKnoxville Airport 06:30
      • DENDenver Intl Airport 07:46
      • 3h 16m
      • Direct
      • Allegiant Air LLC (G4 1438)Airbus
      • Allegiant Air LLC (G4 1438)
        • -
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        • -
        • -
        • -
        • -
        • -
      • Airbus
      • 08:55 TYS
        10:33 DEN
        3Hrs, 38m Direct
      • TYSKnoxville Airport 08:55 - DEN 10:33 3h 38m Direct
      • TYSKnoxville Airport 08:55
      • DENDenver Intl Airport 10:33
      • 3h 38m
      • Direct
      • United Airlines (UA 5673)Embraer 175
      • United Airlines (UA 5673)
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        • S
      • Embraer 175
      • 16:30 TYS
        18:02 DEN
        3Hrs, 32m Direct
      • TYSKnoxville Airport 16:30 - DEN 18:02 3h 32m Direct
      • TYSKnoxville Airport 16:30
      • DENDenver Intl Airport 18:02
      • 3h 32m
      • Direct
      • United Airlines (UA 2028)Airbus
      • United Airlines (UA 2028)
        • M
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        • -
        • F
        • S
        • S
      • Airbus
      • 19:25 TYS
        00:15 DEN
        6Hrs, 50m 1 Stop (IAD)
      • TYSKnoxville Airport 19:25 - DEN 00:15 6h 50m 1 Stop (IAD) Washington
      • TYSKnoxville Airport 19:25
        IADWashington Dulles International Airport 22:11
      • IADWashington Dulles International Airport 21:15
        DENDenver Intl Airport 00:15
      • 6h 50m (56m)
      • 1 Stop IAD · Washington 56m
      • United Airlines (UA 4324)Embraer
        United Airlines (UA 495)Boeing 737 900
      • United Airlines (UA 4324)
        • -
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        • -
        • -
        • -
        • S
        • -
      • 19:25 TYS
        00:15 DEN
        6Hrs, 50m 1 Stop (IAD)
      • TYSKnoxville Airport 19:25 - DEN 00:15 6h 50m 1 Stop (IAD) Washington
      • TYSKnoxville Airport 19:25
        IADWashington Dulles International Airport 22:11
      • IADWashington Dulles International Airport 21:15
        DENDenver Intl Airport 00:15
      • 6h 50m (56m)
      • 1 Stop IAD · Washington 56m
      • United Airlines (UA 4324)Embraer
        United Airlines (UA 495)Boeing 737 Max 9 Passenger
      • United Airlines (UA 4324)
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      • 05:00 TYS
        09:25 DEN
        6Hrs, 25m 1 Stop (CLT)
      • TYSKnoxville Airport 05:00 - DEN 09:25 6h 25m 1 Stop (CLT) Charlotte
      • TYSKnoxville Airport 05:00
        CLTCharlotte Airport 07:44
      • CLTCharlotte Airport 06:23
        DENDenver Intl Airport 09:25
      • 6h 25m (1h 21m)
      • 1 Stop CLT · Charlotte 1h 21m
      • American Airlines (AA 5435)Canadair Regional
        American Airlines (AA 1328)Airbus
      • American Airlines (AA 5435)
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        • S
      • 05:31 TYS
        09:47 DEN
        6Hrs, 16m 1 Stop (DFW)
      • TYSKnoxville Airport 05:31 - DEN 09:47 6h 16m 1 Stop (DFW) Dallas
      • TYSKnoxville Airport 05:31
        DFWDallas/Fort Worth Intl Airport 08:33
      • DFWDallas/Fort Worth Intl Airport 07:11
        DENDenver Intl Airport 09:47
      • 6h 16m (1h 22m)
      • 1 Stop DFW · Dallas 1h 22m
      • American Airlines (AA 994)Airbus
        American Airlines (AA 2357)Airbus
      • American Airlines (AA 994)
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      • 05:31 TYS
        11:21 DEN
        7Hrs, 50m 1 Stop (DFW)
      • TYSKnoxville Airport 05:31 - DEN 11:21 7h 50m 1 Stop (DFW) Dallas
      • TYSKnoxville Airport 05:31
        DFWDallas/Fort Worth Intl Airport 10:08
      • DFWDallas/Fort Worth Intl Airport 07:11
        DENDenver Intl Airport 11:21
      • 7h 50m (2h 57m)
      • 1 Stop DFW · Dallas 2h 57m
      • American Airlines (AA 994)Airbus
        American Airlines (AA 2359)Airbus
      • American Airlines (AA 994)
        • M
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        • -
        • F
        • S
        • S
      • 05:31 TYS
        11:23 DEN
        7Hrs, 52m 1 Stop (DFW)
      • TYSKnoxville Airport 05:31 - DEN 11:23 7h 52m 1 Stop (DFW) Dallas
      • TYSKnoxville Airport 05:31
        DFWDallas/Fort Worth Intl Airport 10:08
      • DFWDallas/Fort Worth Intl Airport 07:11
        DENDenver Intl Airport 11:23
      • 7h 52m (2h 57m)
      • 1 Stop DFW · Dallas 2h 57m
      • American Airlines (AA 994)Airbus
        American Airlines (AA 2359)Boeing 737 800
      • American Airlines (AA 994)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 05:45 TYS
        10:27 DEN
        6Hrs, 42m 1 Stop (IAD)
      • TYSKnoxville Airport 05:45 - DEN 10:27 6h 42m 1 Stop (IAD) Washington
      • TYSKnoxville Airport 05:45
        IADWashington Dulles International Airport 08:25
      • IADWashington Dulles International Airport 07:33
        DENDenver Intl Airport 10:27
      • 6h 42m (52m)
      • 1 Stop IAD · Washington 52m
      • United Airlines (UA 4311)Embraer
        United Airlines (UA 1366)Boeing 777
      • United Airlines (UA 4311)
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      • 05:45 TYS
        10:34 DEN
        6Hrs, 49m 1 Stop (IAD)
      • TYSKnoxville Airport 05:45 - DEN 10:34 6h 49m 1 Stop (IAD) Washington
      • TYSKnoxville Airport 05:45
        IADWashington Dulles International Airport 08:20
      • IADWashington Dulles International Airport 07:33
        DENDenver Intl Airport 10:34
      • 6h 49m (47m)
      • 1 Stop IAD · Washington 47m
      • United Airlines (UA 4311)Embraer
        United Airlines (UA 1366)Boeing 737 900
      • United Airlines (UA 4311)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 05:45 TYS
        12:12 DEN
        8Hrs, 27m 1 Stop (IAD)
      • TYSKnoxville Airport 05:45 - DEN 12:12 8h 27m 1 Stop (IAD) Washington
      • TYSKnoxville Airport 05:45
        IADWashington Dulles International Airport 10:05
      • IADWashington Dulles International Airport 07:33
        DENDenver Intl Airport 12:12
      • 8h 27m (2h 32m)
      • 1 Stop IAD · Washington 2h 32m
      • United Airlines (UA 4311)Embraer
        United Airlines (UA 1341)Boeing 737 900
      • United Airlines (UA 4311)
        • M
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        • -
        • -
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      • 05:45 TYS
        12:12 DEN
        8Hrs, 27m 1 Stop (IAD)
      • TYSKnoxville Airport 05:45 - DEN 12:12 8h 27m 1 Stop (IAD) Washington
      • TYSKnoxville Airport 05:45
        IADWashington Dulles International Airport 10:05
      • IADWashington Dulles International Airport 07:33
        DENDenver Intl Airport 12:12
      • 8h 27m (2h 32m)
      • 1 Stop IAD · Washington 2h 32m
      • United Airlines (UA 4311)Embraer
        United Airlines (UA 1341)Boeing 737 Max 9 Passenger
      • United Airlines (UA 4311)
        • -
        • -
        • -
        • -
        • F
        • S
        • -
      • 07:00 TYS
        10:35 DEN
        5Hrs, 35m 1 Stop (ORD)
      • TYSKnoxville Airport 07:00 - DEN 10:35 5h 35m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 07:00
        ORDChicago O'Hare International Airport 08:45
      • ORDChicago O'Hare International Airport 08:01
        DENDenver Intl Airport 10:35
      • 5h 35m (44m)
      • 1 Stop ORD · Chicago 44m
      • United Airlines (UA 1469)Airbus
        United Airlines (UA 1731)Boeing 777
      • United Airlines (UA 1469)
        • -
        • -
        • -
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        • -
        • -
        • -
      • 07:00 TYS
        10:35 DEN
        5Hrs, 35m 1 Stop (ORD)
      • TYSKnoxville Airport 07:00 - DEN 10:35 5h 35m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 07:00
        ORDChicago O'Hare International Airport 08:45
      • ORDChicago O'Hare International Airport 08:01
        DENDenver Intl Airport 10:35
      • 5h 35m (44m)
      • 1 Stop ORD · Chicago 44m
      • United Airlines (UA 1469)Airbus
        United Airlines (UA 1731)Boeing 777
      • United Airlines (UA 1469)
        • M
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        • -
      • 07:00 TYS
        10:35 DEN
        5Hrs, 35m 1 Stop (ORD)
      • TYSKnoxville Airport 07:00 - DEN 10:35 5h 35m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 07:00
        ORDChicago O'Hare International Airport 08:45
      • ORDChicago O'Hare International Airport 08:01
        DENDenver Intl Airport 10:35
      • 5h 35m (44m)
      • 1 Stop ORD · Chicago 44m
      • United Airlines (UA 1469)Boeing 737 700
        United Airlines (UA 1731)Boeing 777
      • United Airlines (UA 1469)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 07:00 TYS
        12:25 DEN
        7Hrs, 25m 1 Stop (ORD)
      • TYSKnoxville Airport 07:00 - DEN 12:25 7h 25m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 07:00
        ORDChicago O'Hare International Airport 10:35
      • ORDChicago O'Hare International Airport 08:01
        DENDenver Intl Airport 12:25
      • 7h 25m (2h 34m)
      • 1 Stop ORD · Chicago 2h 34m
      • United Airlines (UA 1469)Airbus
        United Airlines (UA 1803)Boeing 757 300 Series
      • United Airlines (UA 1469)
        • -
        • -
        • -
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        • -
        • -
        • -
      • 07:00 TYS
        12:40 DEN
        7Hrs, 40m 1 Stop (ORD)
      • TYSKnoxville Airport 07:00 - DEN 12:40 7h 40m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 07:00
        ORDChicago O'Hare International Airport 10:50
      • ORDChicago O'Hare International Airport 08:01
        DENDenver Intl Airport 12:40
      • 7h 40m (2h 49m)
      • 1 Stop ORD · Chicago 2h 49m
      • United Airlines (UA 1469)Airbus
        United Airlines (UA 1803)Boeing 757 300 Series
      • United Airlines (UA 1469)
        • M
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        • -
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        • -
      • 07:00 TYS
        12:40 DEN
        7Hrs, 40m 1 Stop (ORD)
      • TYSKnoxville Airport 07:00 - DEN 12:40 7h 40m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 07:00
        ORDChicago O'Hare International Airport 10:50
      • ORDChicago O'Hare International Airport 08:01
        DENDenver Intl Airport 12:40
      • 7h 40m (2h 49m)
      • 1 Stop ORD · Chicago 2h 49m
      • United Airlines (UA 1469)Boeing 737 700
        United Airlines (UA 1803)Boeing 757 300 Series
      • United Airlines (UA 1469)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 07:03 TYS
        12:52 DEN
        7Hrs, 49m 1 Stop (CLT)
      • TYSKnoxville Airport 07:03 - DEN 12:52 7h 49m 1 Stop (CLT) Charlotte
      • TYSKnoxville Airport 07:03
        CLTCharlotte Airport 11:01
      • CLTCharlotte Airport 08:30
        DENDenver Intl Airport 12:52
      • 7h 49m (2h 31m)
      • 1 Stop CLT · Charlotte 2h 31m
      • American Airlines (AA 5087)Crj 700 Canadair Regional
        American Airlines (AA 1197)Airbus
      • American Airlines (AA 5087)
        • -
        • -
        • -
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        • -
        • -
        • -
      • 07:05 TYS
        11:14 DEN
        6Hrs, 09m 1 Stop (IAH)
      • TYSKnoxville Airport 07:05 - DEN 11:14 6h 09m 1 Stop (IAH) Houston
      • TYSKnoxville Airport 07:05
        IAHHouston George Bush Intercontinental Airport 09:35
      • IAHHouston George Bush Intercontinental Airport 08:50
        DENDenver Intl Airport 11:14
      • 6h 09m (45m)
      • 1 Stop IAH · Houston 45m
      • United Airlines (UA 4913)Embraer
        United Airlines (UA 1128)Boeing 737 900
      • United Airlines (UA 4913)
        • M
        • T
        • W
        • T
        • F
        • -
        • S
      • 07:05 TYS
        11:14 DEN
        6Hrs, 09m 1 Stop (IAH)
      • TYSKnoxville Airport 07:05 - DEN 11:14 6h 09m 1 Stop (IAH) Houston
      • TYSKnoxville Airport 07:05
        IAHHouston George Bush Intercontinental Airport 09:35
      • IAHHouston George Bush Intercontinental Airport 08:50
        DENDenver Intl Airport 11:14
      • 6h 09m (45m)
      • 1 Stop IAH · Houston 45m
      • United Airlines (UA 4913)Embraer
        United Airlines (UA 1128)Boeing 737 800
      • United Airlines (UA 4913)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 07:05 TYS
        12:37 DEN
        7Hrs, 32m 1 Stop (IAH)
      • TYSKnoxville Airport 07:05 - DEN 12:37 7h 32m 1 Stop (IAH) Houston
      • TYSKnoxville Airport 07:05
        IAHHouston George Bush Intercontinental Airport 10:58
      • IAHHouston George Bush Intercontinental Airport 08:50
        DENDenver Intl Airport 12:37
      • 7h 32m (2h 08m)
      • 1 Stop IAH · Houston 2h 08m
      • United Airlines (UA 4913)Embraer
        United Airlines (UA 2677)Boeing 737 900
      • United Airlines (UA 4913)
        • M
        • T
        • W
        • T
        • -
        • -
        • S
      • 07:05 TYS
        12:37 DEN
        7Hrs, 32m 1 Stop (IAH)
      • TYSKnoxville Airport 07:05 - DEN 12:37 7h 32m 1 Stop (IAH) Houston
      • TYSKnoxville Airport 07:05
        IAHHouston George Bush Intercontinental Airport 10:58
      • IAHHouston George Bush Intercontinental Airport 08:50
        DENDenver Intl Airport 12:37
      • 7h 32m (2h 08m)
      • 1 Stop IAH · Houston 2h 08m
      • United Airlines (UA 4913)Embraer
        United Airlines (UA 2677)Boeing 737 Max 9 Passenger
      • United Airlines (UA 4913)
        • -
        • -
        • -
        • -
        • F
        • S
        • -
      • 07:30 TYS
        13:24 DEN
        7Hrs, 54m 1 Stop (ORD)
      • TYSKnoxville Airport 07:30 - DEN 13:24 7h 54m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 07:30
        ORDChicago O'Hare International Airport 11:45
      • ORDChicago O'Hare International Airport 08:32
        DENDenver Intl Airport 13:24
      • 7h 54m (3h 13m)
      • 1 Stop ORD · Chicago 3h 13m
      • American Airlines (AA 5745)Er4 Embraer Rj145 Amazon
        American Airlines (AA 779)Boeing 737 800
      • American Airlines (AA 5745)
        • M
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        • W
        • -
        • -
        • S
        • S
      • 09:09 TYS
        12:52 DEN
        5Hrs, 43m 1 Stop (CLT)
      • TYSKnoxville Airport 09:09 - DEN 12:52 5h 43m 1 Stop (CLT) Charlotte
      • TYSKnoxville Airport 09:09
        CLTCharlotte Airport 11:01
      • CLTCharlotte Airport 10:25
        DENDenver Intl Airport 12:52
      • 5h 43m (36m)
      • 1 Stop CLT · Charlotte 36m
      • American Airlines (AA 5417)Canadair Regional
        American Airlines (AA 1197)Airbus
      • American Airlines (AA 5417)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 09:09 TYS
        13:49 DEN
        6Hrs, 40m 1 Stop (CLT)
      • TYSKnoxville Airport 09:09 - DEN 13:49 6h 40m 1 Stop (CLT) Charlotte
      • TYSKnoxville Airport 09:09
        CLTCharlotte Airport 12:00
      • CLTCharlotte Airport 10:25
        DENDenver Intl Airport 13:49
      • 6h 40m (1h 35m)
      • 1 Stop CLT · Charlotte 1h 35m
      • American Airlines (AA 5417)Canadair Regional
        American Airlines (AA 1197)Airbus
      • American Airlines (AA 5417)
        • -
        • T
        • W
        • -
        • F
        • S
        • S
      • 09:09 TYS
        13:54 DEN
        6Hrs, 45m 1 Stop (CLT)
      • TYSKnoxville Airport 09:09 - DEN 13:54 6h 45m 1 Stop (CLT) Charlotte
      • TYSKnoxville Airport 09:09
        CLTCharlotte Airport 12:05
      • CLTCharlotte Airport 10:25
        DENDenver Intl Airport 13:54
      • 6h 45m (1h 40m)
      • 1 Stop CLT · Charlotte 1h 40m
      • American Airlines (AA 5417)Canadair Regional
        American Airlines (AA 1197)Airbus
      • American Airlines (AA 5417)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 09:25 TYS
        13:34 DEN
        6Hrs, 09m 1 Stop (IAH)
      • TYSKnoxville Airport 09:25 - DEN 13:34 6h 09m 1 Stop (IAH) Houston
      • TYSKnoxville Airport 09:25
        IAHHouston George Bush Intercontinental Airport 11:55
      • IAHHouston George Bush Intercontinental Airport 11:06
        DENDenver Intl Airport 13:34
      • 6h 09m (49m)
      • 1 Stop IAH · Houston 49m
      • United Airlines (UA 4841)Embraer
        United Airlines (UA 797)Boeing 737 900
      • United Airlines (UA 4841)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 09:25 TYS
        14:34 DEN
        7Hrs, 09m 1 Stop (IAH)
      • TYSKnoxville Airport 09:25 - DEN 14:34 7h 09m 1 Stop (IAH) Houston
      • TYSKnoxville Airport 09:25
        IAHHouston George Bush Intercontinental Airport 12:55
      • IAHHouston George Bush Intercontinental Airport 11:06
        DENDenver Intl Airport 14:34
      • 7h 09m (1h 49m)
      • 1 Stop IAH · Houston 1h 49m
      • United Airlines (UA 4841)Embraer
        United Airlines (UA 797)Boeing 737 900
      • United Airlines (UA 4841)
        • M
        • T
        • W
        • -
        • F
        • -
        • S
      • 09:25 TYS
        14:34 DEN
        7Hrs, 09m 1 Stop (IAH)
      • TYSKnoxville Airport 09:25 - DEN 14:34 7h 09m 1 Stop (IAH) Houston
      • TYSKnoxville Airport 09:25
        IAHHouston George Bush Intercontinental Airport 12:55
      • IAHHouston George Bush Intercontinental Airport 11:06
        DENDenver Intl Airport 14:34
      • 7h 09m (1h 49m)
      • 1 Stop IAH · Houston 1h 49m
      • United Airlines (UA 4841)Embraer
        United Airlines (UA 797)Boeing 737 800
      • United Airlines (UA 4841)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 09:50 TYS
        14:52 DEN
        7Hrs, 02m 1 Stop (IAD)
      • TYSKnoxville Airport 09:50 - DEN 14:52 7h 02m 1 Stop (IAD) Washington
      • TYSKnoxville Airport 09:50
        IADWashington Dulles International Airport 12:45
      • IADWashington Dulles International Airport 11:33
        DENDenver Intl Airport 14:52
      • 7h 02m (1h 12m)
      • 1 Stop IAD · Washington 1h 12m
      • United Airlines (UA 4325)Embraer
        United Airlines (UA 2076)Boeing 737 900
      • United Airlines (UA 4325)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 10:55 TYS
        14:35 DEN
        5Hrs, 40m 1 Stop (ORD)
      • TYSKnoxville Airport 10:55 - DEN 14:35 5h 40m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 10:55
        ORDChicago O'Hare International Airport 12:45
      • ORDChicago O'Hare International Airport 11:59
        DENDenver Intl Airport 14:35
      • 5h 40m (46m)
      • 1 Stop ORD · Chicago 46m
      • United Airlines (UA 5300)Embraer 175
        United Airlines (UA 2249)Boeing 737 Max 9 Passenger
      • United Airlines (UA 5300)
        • M
        • T
        • W
        • -
        • -
        • -
        • S
      • 10:55 TYS
        14:35 DEN
        5Hrs, 40m 1 Stop (ORD)
      • TYSKnoxville Airport 10:55 - DEN 14:35 5h 40m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 10:55
        ORDChicago O'Hare International Airport 12:45
      • ORDChicago O'Hare International Airport 11:59
        DENDenver Intl Airport 14:35
      • 5h 40m (46m)
      • 1 Stop ORD · Chicago 46m
      • United Airlines (UA 5300)Embraer 175
        United Airlines (UA 2249)Boeing 737 900
      • United Airlines (UA 5300)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 10:55 TYS
        15:03 DEN
        6Hrs, 08m 1 Stop (ORD)
      • TYSKnoxville Airport 10:55 - DEN 15:03 6h 08m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 10:55
        ORDChicago O'Hare International Airport 13:15
      • ORDChicago O'Hare International Airport 11:59
        DENDenver Intl Airport 15:03
      • 6h 08m (1h 16m)
      • 1 Stop ORD · Chicago 1h 16m
      • United Airlines (UA 5300)Embraer 175
        United Airlines (UA 1882)Boeing 737 Max 9 Passenger
      • United Airlines (UA 5300)
        • -
        • T
        • -
        • -
        • -
        • S
        • S
      • 10:55 TYS
        15:05 DEN
        6Hrs, 10m 1 Stop (ORD)
      • TYSKnoxville Airport 10:55 - DEN 15:05 6h 10m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 10:55
        ORDChicago O'Hare International Airport 13:15
      • ORDChicago O'Hare International Airport 11:59
        DENDenver Intl Airport 15:05
      • 6h 10m (1h 16m)
      • 1 Stop ORD · Chicago 1h 16m
      • United Airlines (UA 5300)Embraer 175
        United Airlines (UA 1882)Boeing 737 Max 9 Passenger
      • United Airlines (UA 5300)
        • M
        • -
        • W
        • T
        • -
        • -
        • -
      • 11:50 TYS
        16:25 DEN
        6Hrs, 35m 1 Stop (IAH)
      • TYSKnoxville Airport 11:50 - DEN 16:25 6h 35m 1 Stop (IAH) Houston
      • TYSKnoxville Airport 11:50
        IAHHouston George Bush Intercontinental Airport 14:45
      • IAHHouston George Bush Intercontinental Airport 13:26
        DENDenver Intl Airport 16:25
      • 6h 35m (1h 19m)
      • 1 Stop IAH · Houston 1h 19m
      • United Airlines (UA 4302)Embraer
        United Airlines (UA 1333)Boeing 777
      • United Airlines (UA 4302)
        • M
        • T
        • W
        • -
        • -
        • S
        • S
      • 11:50 TYS
        16:33 DEN
        6Hrs, 43m 1 Stop (IAH)
      • TYSKnoxville Airport 11:50 - DEN 16:33 6h 43m 1 Stop (IAH) Houston
      • TYSKnoxville Airport 11:50
        IAHHouston George Bush Intercontinental Airport 14:45
      • IAHHouston George Bush Intercontinental Airport 13:26
        DENDenver Intl Airport 16:33
      • 6h 43m (1h 19m)
      • 1 Stop IAH · Houston 1h 19m
      • United Airlines (UA 4302)Embraer
        United Airlines (UA 1333)Boeing 737 900
      • United Airlines (UA 4302)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 11:50 TYS
        18:04 DEN
        8Hrs, 14m 1 Stop (IAH)
      • TYSKnoxville Airport 11:50 - DEN 18:04 8h 14m 1 Stop (IAH) Houston
      • TYSKnoxville Airport 11:50
        IAHHouston George Bush Intercontinental Airport 16:25
      • IAHHouston George Bush Intercontinental Airport 13:26
        DENDenver Intl Airport 18:04
      • 8h 14m (2h 59m)
      • 1 Stop IAH · Houston 2h 59m
      • United Airlines (UA 4302)Embraer
        United Airlines (UA 531)Boeing 737 900
      • United Airlines (UA 4302)
        • M
        • T
        • W
        • -
        • -
        • S
        • -
      • 11:50 TYS
        18:04 DEN
        8Hrs, 14m 1 Stop (IAH)
      • TYSKnoxville Airport 11:50 - DEN 18:04 8h 14m 1 Stop (IAH) Houston
      • TYSKnoxville Airport 11:50
        IAHHouston George Bush Intercontinental Airport 16:25
      • IAHHouston George Bush Intercontinental Airport 13:26
        DENDenver Intl Airport 18:04
      • 8h 14m (2h 59m)
      • 1 Stop IAH · Houston 2h 59m
      • United Airlines (UA 4302)Embraer
        United Airlines (UA 531)Boeing 737 800
      • United Airlines (UA 4302)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 12:04 TYS
        15:57 DEN
        5Hrs, 53m 1 Stop (DFW)
      • TYSKnoxville Airport 12:04 - DEN 15:57 5h 53m 1 Stop (DFW) Dallas
      • TYSKnoxville Airport 12:04
        DFWDallas/Fort Worth Intl Airport 14:50
      • DFWDallas/Fort Worth Intl Airport 13:48
        DENDenver Intl Airport 15:57
      • 5h 53m (1h 02m)
      • 1 Stop DFW · Dallas 1h 02m
      • American Airlines (AA 5277)Canadair Regional
        American Airlines (AA 1832)Airbus
      • American Airlines (AA 5277)
        • M
        • T
        • W
        • -
        • F
        • S
        • S
      • 12:04 TYS
        17:54 DEN
        7Hrs, 50m 1 Stop (DFW)
      • TYSKnoxville Airport 12:04 - DEN 17:54 7h 50m 1 Stop (DFW) Dallas
      • TYSKnoxville Airport 12:04
        DFWDallas/Fort Worth Intl Airport 16:47
      • DFWDallas/Fort Worth Intl Airport 13:48
        DENDenver Intl Airport 17:54
      • 7h 50m (2h 59m)
      • 1 Stop DFW · Dallas 2h 59m
      • American Airlines (AA 5277)Canadair Regional
        American Airlines (AA 1322)Airbus
      • American Airlines (AA 5277)
        • M
        • T
        • W
        • -
        • F
        • S
        • S
      • 13:27 TYS
        19:08 DEN
        7Hrs, 41m 1 Stop (CLT)
      • TYSKnoxville Airport 13:27 - DEN 19:08 7h 41m 1 Stop (CLT) Charlotte
      • TYSKnoxville Airport 13:27
        CLTCharlotte Airport 17:30
      • CLTCharlotte Airport 14:44
        DENDenver Intl Airport 19:08
      • 7h 41m (2h 46m)
      • 1 Stop CLT · Charlotte 2h 46m
      • American Airlines (AA 5113)Canadair Regional
        American Airlines (AA 1636)Airbus
      • American Airlines (AA 5113)
        • M
        • T
        • W
        • -
        • F
        • S
        • S
      • 14:06 TYS
        17:49 DEN
        5Hrs, 43m 1 Stop (ORD)
      • TYSKnoxville Airport 14:06 - DEN 17:49 5h 43m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 14:06
        ORDChicago O'Hare International Airport 16:00
      • ORDChicago O'Hare International Airport 15:12
        DENDenver Intl Airport 17:49
      • 5h 43m (48m)
      • 1 Stop ORD · Chicago 48m
      • United Airlines (UA 3716)Embraer 175
        United Airlines (UA 767)Boeing 757 300 Series
      • United Airlines (UA 3716)
        • -
        • -
        • -
        • -
        • -
        • S
        • S
      • 14:06 TYS
        17:54 DEN
        5Hrs, 48m 1 Stop (ORD)
      • TYSKnoxville Airport 14:06 - DEN 17:54 5h 48m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 14:06
        ORDChicago O'Hare International Airport 16:05
      • ORDChicago O'Hare International Airport 15:12
        DENDenver Intl Airport 17:54
      • 5h 48m (53m)
      • 1 Stop ORD · Chicago 53m
      • United Airlines (UA 3716)Embraer 175
        United Airlines (UA 767)Boeing 757 300 Series
      • United Airlines (UA 3716)
        • M
        • T
        • W
        • -
        • -
        • -
        • -
      • 14:06 TYS
        17:55 DEN
        5Hrs, 49m 1 Stop (ORD)
      • TYSKnoxville Airport 14:06 - DEN 17:55 5h 49m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 14:06
        ORDChicago O'Hare International Airport 16:05
      • ORDChicago O'Hare International Airport 15:12
        DENDenver Intl Airport 17:55
      • 5h 49m (53m)
      • 1 Stop ORD · Chicago 53m
      • United Airlines (UA 3716)Embraer 170
        United Airlines (UA 767)Airbus A321 Neo
      • United Airlines (UA 3716)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 14:06 TYS
        20:09 DEN
        8Hrs, 03m 1 Stop (ORD)
      • TYSKnoxville Airport 14:06 - DEN 20:09 8h 03m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 14:06
        ORDChicago O'Hare International Airport 18:15
      • ORDChicago O'Hare International Airport 15:12
        DENDenver Intl Airport 20:09
      • 8h 03m (3h 03m)
      • 1 Stop ORD · Chicago 3h 03m
      • United Airlines (UA 3716)Embraer 175
        United Airlines (UA 1958)Boeing 757 300 Series
      • United Airlines (UA 3716)
        • -
        • T
        • W
        • -
        • -
        • S
        • S
      • 14:06 TYS
        20:09 DEN
        8Hrs, 03m 1 Stop (ORD)
      • TYSKnoxville Airport 14:06 - DEN 20:09 8h 03m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 14:06
        ORDChicago O'Hare International Airport 18:15
      • ORDChicago O'Hare International Airport 15:12
        DENDenver Intl Airport 20:09
      • 8h 03m (3h 03m)
      • 1 Stop ORD · Chicago 3h 03m
      • United Airlines (UA 3716)Embraer 170
        United Airlines (UA 1958)Boeing 757 300 Series
      • United Airlines (UA 3716)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 14:06 TYS
        20:11 DEN
        8Hrs, 05m 1 Stop (ORD)
      • TYSKnoxville Airport 14:06 - DEN 20:11 8h 05m 1 Stop (ORD) Chicago
      • TYSKnoxville Airport 14:06
        ORDChicago O'Hare International Airport 18:15
      • ORDChicago O'Hare International Airport 15:12
        DENDenver Intl Airport 20:11
      • 8h 05m (3h 03m)
      • 1 Stop ORD · Chicago 3h 03m
      • United Airlines (UA 3716)Embraer 175
        United Airlines (UA 1958)Boeing 737 900
      • United Airlines (UA 3716)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 14:35 TYS
        19:22 DEN
        6Hrs, 47m 1 Stop (IAD)
      • TYSKnoxville Airport 14:35 - DEN 19:22 6h 47m 1 Stop (IAD) Washington
      • TYSKnoxville Airport 14:35
        IADWashington Dulles International Airport 17:20
      • IADWashington Dulles International Airport 16:15
        DENDenver Intl Airport 19:22
      • 6h 47m (1h 05m)
      • 1 Stop IAD · Washington 1h 05m
      • United Airlines (UA 4848)Embraer
        United Airlines (UA 1017)Boeing 777
      • United Airlines (UA 4848)
        • M
        • T
        • W
        • -
        • F
        • S
        • -
      • 14:35 TYS
        19:24 DEN
        6Hrs, 49m 1 Stop (IAD)
      • TYSKnoxville Airport 14:35 - DEN 19:24 6h 49m 1 Stop (IAD) Washington
      • TYSKnoxville Airport 14:35
        IADWashington Dulles International Airport 17:10
      • IADWashington Dulles International Airport 16:15
        DENDenver Intl Airport 19:24
      • 6h 49m (55m)
      • 1 Stop IAD · Washington 55m
      • United Airlines (UA 4848)Embraer
        United Airlines (UA 1017)Boeing 737 900
      • United Airlines (UA 4848)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 14:35 TYS
        19:37 DEN
        7Hrs, 02m 1 Stop (IAD)
      • TYSKnoxville Airport 14:35 - DEN 19:37 7h 02m 1 Stop (IAD) Washington
      • TYSKnoxville Airport 14:35
        IADWashington Dulles International Airport 17:35
      • IADWashington Dulles International Airport 16:15
        DENDenver Intl Airport 19:37
      • 7h 02m (1h 20m)
      • 1 Stop IAD · Washington 1h 20m
      • United Airlines (UA 4848)Embraer
        United Airlines (UA 1017)Boeing 777
      • United Airlines (UA 4848)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 14:56 TYS
        19:08 DEN
        6Hrs, 12m 1 Stop (CLT)
      • TYSKnoxville Airport 14:56 - DEN 19:08 6h 12m 1 Stop (CLT) Charlotte
      • TYSKnoxville Airport 14:56
        CLTCharlotte Airport 17:30
      • CLTCharlotte Airport 16:13
        DENDenver Intl Airport 19:08
      • 6h 12m (1h 17m)
      • 1 Stop CLT · Charlotte 1h 17m
      • American Airlines (AA 5197)Crj 700 Canadair Regional
        American Airlines (AA 1636)Airbus
      • American Airlines (AA 5197)
        • M
        • T
        • W
        • -
        • F
        • S
        • S
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      What’s the fastest flight time from Knoxville to Denver?

      The fastest flight time for direct flights from Knoxville to Denver is 3 hours 16 minutes. Check latest flight schedules & prices on Wego.

      How far is Denver from Knoxville?

      The flight distance between Knoxville and Denver is 1892km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 05:00. The last flight of the day departs at 19:08. See the full list of flight times on Wego.

      How many airlines offer direct flights from Knoxville to Denver?

      There are 3 airlines that offer direct flights from Knoxville to Denver. Find out the list of airlines on Wego.

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      Knoxville Airport TYS

      All Airports in Denver

      Denver Intl Airport DEN

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