Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Frontier Airlines

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

  • Frontier Airlines Frontier Airlines
  • American Airlines American Airlines
  • JetBlue Airways JetBlue Airways
  • Southwest Airlines Southwest Airlines
  • United Airlines United Airlines
Cheapest Month February

Travel Period: December 2024 - November 2025

The cheapest month(s) to fly from Buffalo to Denver is February.

  • 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 Thursday

The cheapest day(s) of the week to fly from Buffalo to Denver is Thursday.

  • 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
        • M
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      • 12:26 BUF
        14:18 DEN
        3Hrs, 52m Direct
      • BUFBuffalo Airport 12:26 - DEN 14:18 3h 52m Direct
      • BUFBuffalo Airport 12:26
      • DENDenver Intl Airport 14:18
      • 3h 52m
      • Direct
      • Frontier Airlines (F9 2751)Airbus
      • Frontier Airlines (F9 2751)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • Airbus
      • 15:35 BUF
        17:15 DEN
        3Hrs, 40m Direct
      • BUFBuffalo Airport 15:35 - DEN 17:15 3h 40m Direct
      • BUFBuffalo Airport 15:35
      • DENDenver Intl Airport 17:15
      • 3h 40m
      • Direct
      • Southwest Airlines (WN 4122)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 4122)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Boeing 737 Max 8 Passenger
      • 16:30 BUF
        18:15 DEN
        3Hrs, 45m Direct
      • BUFBuffalo Airport 16:30 - DEN 18:15 3h 45m Direct
      • BUFBuffalo Airport 16:30
      • DENDenver Intl Airport 18:15
      • 3h 45m
      • Direct
      • Southwest Airlines (WN 910)Boeing 737 700
      • Southwest Airlines (WN 910)
        • M
        • -
        • -
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        • F
        • -
        • S
      • Boeing 737 700
      • 19:15 BUF
        23:55 DEN
        6Hrs, 40m 1 Stop (BWI)
      • BUFBuffalo Airport 19:15 - DEN 23:55 6h 40m 1 Stop (BWI) Baltimore
      • BUFBuffalo Airport 19:15
        BWIBaltimore Washington International Airport 21:50
      • BWIBaltimore Washington International Airport 20:30
        DENDenver Intl Airport 23:55
      • 6h 40m (1h 20m)
      • 1 Stop BWI · Baltimore 1h 20m
      • Southwest Airlines (WN 3511)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 2214)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 3511)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 19:50 BUF
        00:15 DEN
        6Hrs, 25m 1 Stop (IAD)
      • BUFBuffalo Airport 19:50 - DEN 00:15 6h 25m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 19:50
        IADWashington Dulles International Airport 22:11
      • IADWashington Dulles International Airport 21:12
        DENDenver Intl Airport 00:15
      • 6h 25m (59m)
      • 1 Stop IAD · Washington 59m
      • United Airlines (UA 4858)Embraer
        United Airlines (UA 495)Boeing 737 Max 9 Passenger
      • United Airlines (UA 4858)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 19:50 BUF
        00:15 DEN
        6Hrs, 25m 1 Stop (IAD)
      • BUFBuffalo Airport 19:50 - DEN 00:15 6h 25m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 19:50
        IADWashington Dulles International Airport 22:11
      • IADWashington Dulles International Airport 21:11
        DENDenver Intl Airport 00:15
      • 6h 25m (1h)
      • 1 Stop IAD · Washington 1h
      • United Airlines (UA 3516)Embraer 175
        United Airlines (UA 495)Boeing 737 Max 9 Passenger
      • United Airlines (UA 3516)
        • -
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        • -
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        • F
        • -
        • S
      • 19:50 BUF
        00:15 DEN
        6Hrs, 25m 1 Stop (IAD)
      • BUFBuffalo Airport 19:50 - DEN 00:15 6h 25m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 19:50
        IADWashington Dulles International Airport 22:11
      • IADWashington Dulles International Airport 21:11
        DENDenver Intl Airport 00:15
      • 6h 25m (1h)
      • 1 Stop IAD · Washington 1h
      • United Airlines (UA 3516)Embraer 170
        United Airlines (UA 495)Boeing 737 Max 9 Passenger
      • United Airlines (UA 3516)
        • M
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        • -
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        • -
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      • 20:25 BUF
        00:10 DEN
        5Hrs, 45m 1 Stop (MDW)
      • BUFBuffalo Airport 20:25 - DEN 00:10 5h 45m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 20:25
        MDWChicago Midway Airport 22:30
      • MDWChicago Midway Airport 21:10
        DENDenver Intl Airport 00:10
      • 5h 45m (1h 20m)
      • 1 Stop MDW · Chicago 1h 20m
      • Southwest Airlines (WN 1006)Boeing 737 700
        Southwest Airlines (WN 1320)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1006)
        • M
        • -
        • -
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        • F
        • -
        • S
      • 21:00 BUF
        00:25 DEN
        5Hrs, 25m 1 Stop (MDW)
      • BUFBuffalo Airport 21:00 - DEN 00:25 5h 25m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 21:00
        MDWChicago Midway Airport 22:45
      • MDWChicago Midway Airport 21:45
        DENDenver Intl Airport 00:25
      • 5h 25m (1h)
      • 1 Stop MDW · Chicago 1h
      • Southwest Airlines (WN 1006)Boeing 737 700
        Southwest Airlines (WN 1320)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1006)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 05:00 BUF
        11:50 DEN
        8Hrs, 50m 1 Stop (MCO)
      • BUFBuffalo Airport 05:00 - DEN 11:50 8h 50m 1 Stop (MCO) Orlando
      • BUFBuffalo Airport 05:00
        MCOOrlando International Airport 09:35
      • MCOOrlando International Airport 07:50
        DENDenver Intl Airport 11:50
      • 8h 50m (1h 45m)
      • 1 Stop MCO · Orlando 1h 45m
      • Southwest Airlines (WN 4488)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1556)Boeing 737 800
      • Southwest Airlines (WN 4488)
        • M
        • -
        • -
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        • F
        • -
        • S
      • 05:00 BUF
        11:50 DEN
        8Hrs, 50m 1 Stop (PHX)
      • BUFBuffalo Airport 05:00 - DEN 11:50 8h 50m 1 Stop (PHX) Phoenix
      • BUFBuffalo Airport 05:00
        PHXPhoenix Sky Harbor Intl Airport 09:55
      • PHXPhoenix Sky Harbor Intl Airport 07:55
        DENDenver Intl Airport 11:50
      • 8h 50m (2h)
      • 1 Stop PHX · Phoenix 2h
      • Southwest Airlines (WN 4517)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 2244)Boeing 737 800
      • Southwest Airlines (WN 4517)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 05:30 BUF
        11:35 DEN
        8Hrs, 05m 1 Stop (BWI)
      • BUFBuffalo Airport 05:30 - DEN 11:35 8h 05m 1 Stop (BWI) Baltimore
      • BUFBuffalo Airport 05:30
        BWIBaltimore Washington International Airport 09:30
      • BWIBaltimore Washington International Airport 06:45
        DENDenver Intl Airport 11:35
      • 8h 05m (2h 45m)
      • 1 Stop BWI · Baltimore 2h 45m
      • Southwest Airlines (WN 1481)Boeing 737 800
        Southwest Airlines (WN 2932)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1481)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:00 BUF
        10:27 DEN
        6Hrs, 27m 1 Stop (IAD)
      • BUFBuffalo Airport 06:00 - DEN 10:27 6h 27m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:00
        IADWashington Dulles International Airport 08:25
      • IADWashington Dulles International Airport 07:21
        DENDenver Intl Airport 10:27
      • 6h 27m (1h 04m)
      • 1 Stop IAD · Washington 1h 04m
      • United Airlines (UA 3428)Embraer 170
        United Airlines (UA 1366)Boeing 777
      • United Airlines (UA 3428)
        • M
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        • -
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        • F
        • -
        • S
      • 06:00 BUF
        10:34 DEN
        6Hrs, 34m 1 Stop (IAD)
      • BUFBuffalo Airport 06:00 - DEN 10:34 6h 34m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:00
        IADWashington Dulles International Airport 08:20
      • IADWashington Dulles International Airport 07:21
        DENDenver Intl Airport 10:34
      • 6h 34m (59m)
      • 1 Stop IAD · Washington 59m
      • United Airlines (UA 3428)Embraer 170
        United Airlines (UA 1366)Boeing 737 900
      • United Airlines (UA 3428)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:00 BUF
        10:35 DEN
        6Hrs, 35m 1 Stop (PHL)
      • BUFBuffalo Airport 06:00 - DEN 10:35 6h 35m 1 Stop (PHL) Philadelphia
      • BUFBuffalo Airport 06:00
        PHLPhiladelphia International Airport 08:15
      • PHLPhiladelphia International Airport 07:21
        DENDenver Intl Airport 10:35
      • 6h 35m (54m)
      • 1 Stop PHL · Philadelphia 54m
      • American Airlines (AA 5789)Er4 Embraer Rj145 Amazon
        American Airlines (AA 30)Airbus
      • American Airlines (AA 5789)
        • -
        • -
        • -
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        • F
        • -
        • -
      • 06:00 BUF
        10:35 DEN
        6Hrs, 35m 1 Stop (BWI)
      • BUFBuffalo Airport 06:00 - DEN 10:35 6h 35m 1 Stop (BWI) Baltimore
      • BUFBuffalo Airport 06:00
        BWIBaltimore Washington International Airport 08:25
      • BWIBaltimore Washington International Airport 07:15
        DENDenver Intl Airport 10:35
      • 6h 35m (1h 10m)
      • 1 Stop BWI · Baltimore 1h 10m
      • Southwest Airlines (WN 1481)Boeing 737 800
        Southwest Airlines (WN 2932)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1481)
        • M
        • -
        • -
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        • F
        • -
        • S
      • 06:00 BUF
        10:35 DEN
        6Hrs, 35m 1 Stop (PHL)
      • BUFBuffalo Airport 06:00 - DEN 10:35 6h 35m 1 Stop (PHL) Philadelphia
      • BUFBuffalo Airport 06:00
        PHLPhiladelphia International Airport 08:15
      • PHLPhiladelphia International Airport 07:21
        DENDenver Intl Airport 10:35
      • 6h 35m (54m)
      • 1 Stop PHL · Philadelphia 54m
      • American Airlines (AA 5789)Er4 Embraer Rj145 Amazon
        American Airlines (AA 30)Boeing 737 800
      • American Airlines (AA 5789)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 06:00 BUF
        11:17 DEN
        7Hrs, 17m 1 Stop (PHL)
      • BUFBuffalo Airport 06:00 - DEN 11:17 7h 17m 1 Stop (PHL) Philadelphia
      • BUFBuffalo Airport 06:00
        PHLPhiladelphia International Airport 08:54
      • PHLPhiladelphia International Airport 07:21
        DENDenver Intl Airport 11:17
      • 7h 17m (1h 33m)
      • 1 Stop PHL · Philadelphia 1h 33m
      • American Airlines (AA 5789)Er4 Embraer Rj145 Amazon
        American Airlines (AA 1313)Boeing 737 800
      • American Airlines (AA 5789)
        • M
        • -
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      • 06:00 BUF
        12:12 DEN
        8Hrs, 12m 1 Stop (IAD)
      • BUFBuffalo Airport 06:00 - DEN 12:12 8h 12m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:00
        IADWashington Dulles International Airport 10:05
      • IADWashington Dulles International Airport 07:21
        DENDenver Intl Airport 12:12
      • 8h 12m (2h 44m)
      • 1 Stop IAD · Washington 2h 44m
      • United Airlines (UA 3428)Embraer 170
        United Airlines (UA 1341)Boeing 737 900
      • United Airlines (UA 3428)
        • M
        • T
        • -
        • -
        • F
        • -
        • S
      • 06:00 BUF
        12:12 DEN
        8Hrs, 12m 1 Stop (IAD)
      • BUFBuffalo Airport 06:00 - DEN 12:12 8h 12m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:00
        IADWashington Dulles International Airport 10:05
      • IADWashington Dulles International Airport 07:21
        DENDenver Intl Airport 12:12
      • 8h 12m (2h 44m)
      • 1 Stop IAD · Washington 2h 44m
      • United Airlines (UA 3428)Embraer 170
        United Airlines (UA 1341)Boeing 737 Max 9 Passenger
      • United Airlines (UA 3428)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:00 BUF
        12:13 DEN
        8Hrs, 13m 1 Stop (EWR)
      • BUFBuffalo Airport 06:00 - DEN 12:13 8h 13m 1 Stop (EWR) New York City
      • BUFBuffalo Airport 06:00
        EWRNewark Liberty International Airport 09:45
      • EWRNewark Liberty International Airport 07:23
        DENDenver Intl Airport 12:13
      • 8h 13m (2h 22m)
      • 1 Stop EWR · New York City 2h 22m
      • United Airlines (UA 1598)Boeing 737 900
        United Airlines (UA 2151)Boeing 737 900
      • United Airlines (UA 1598)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:00 BUF
        12:14 DEN
        8Hrs, 14m 1 Stop (EWR)
      • BUFBuffalo Airport 06:00 - DEN 12:14 8h 14m 1 Stop (EWR) New York City
      • BUFBuffalo Airport 06:00
        EWRNewark Liberty International Airport 09:45
      • EWRNewark Liberty International Airport 07:23
        DENDenver Intl Airport 12:14
      • 8h 14m (2h 22m)
      • 1 Stop EWR · New York City 2h 22m
      • United Airlines (UA 1598)Boeing 737 900
        United Airlines (UA 2151)Boeing 737 900
      • United Airlines (UA 1598)
        • M
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        • T
        • F
        • -
        • -
      • 06:05 BUF
        09:25 DEN
        5Hrs, 20m 1 Stop (MDW)
      • BUFBuffalo Airport 06:05 - DEN 09:25 5h 20m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 06:05
        MDWChicago Midway Airport 07:45
      • MDWChicago Midway Airport 06:50
        DENDenver Intl Airport 09:25
      • 5h 20m (55m)
      • 1 Stop MDW · Chicago 55m
      • Southwest Airlines (WN 1360)Boeing 737 700
        Southwest Airlines (WN 1450)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1360)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:05 BUF
        10:55 DEN
        6Hrs, 50m 1 Stop (MDW)
      • BUFBuffalo Airport 06:05 - DEN 10:55 6h 50m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 06:05
        MDWChicago Midway Airport 07:45
      • MDWChicago Midway Airport 06:50
        DENDenver Intl Airport 10:55
      • 6h 50m (55m)
      • 1 Stop MDW · Chicago 55m
      • Southwest Airlines (WN 1360)Boeing 737 700
        Southwest Airlines (WN 1158)Boeing 737 700
      • Southwest Airlines (WN 1360)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 10:15 MCI
        06:50 MDW
        7Hrs, 00m 1 Stop (DEN)
      • MCIKansas City International Airport 10:15 - MDW 06:50 7h 1 Stop (DEN) Denver
      • MCIKansas City International Airport 10:15
        BUFBuffalo Airport 06:05
      • DENDenver Intl Airport 11:05
        MDWChicago Midway Airport 06:50
      • 7h (1h 55m)
      • 1 Stop DEN · Denver 1h 55m
      • Southwest Airlines (WN 1428)Boeing 737 700
        Southwest Airlines (WN 1360)Boeing 737 700
      • Southwest Airlines (WN 1428)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:05 BUF
        11:25 DEN
        7Hrs, 20m 1 Stop (MDW)
      • BUFBuffalo Airport 06:05 - DEN 11:25 7h 20m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 06:05
        MDWChicago Midway Airport 09:45
      • MDWChicago Midway Airport 06:50
        DENDenver Intl Airport 11:25
      • 7h 20m (2h 55m)
      • 1 Stop MDW · Chicago 2h 55m
      • Southwest Airlines (WN 1360)Boeing 737 700
        Southwest Airlines (WN 3246)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1360)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 11:00 OMA
        06:50 MDW
        7Hrs, 35m 1 Stop (DEN)
      • OMAOmaha Eppley Airfield Airport 11:00 - MDW 06:50 7h 35m 1 Stop (DEN) Denver
      • OMAOmaha Eppley Airfield Airport 11:00
        BUFBuffalo Airport 06:05
      • DENDenver Intl Airport 11:40
        MDWChicago Midway Airport 06:50
      • 7h 35m (2h 40m)
      • 1 Stop DEN · Denver 2h 40m
      • Southwest Airlines (WN 693)Boeing 737 700
        Southwest Airlines (WN 1360)Boeing 737 700
      • Southwest Airlines (WN 693)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:10 BUF
        11:40 DEN
        7Hrs, 30m 1 Stop (BWI)
      • BUFBuffalo Airport 06:10 - DEN 11:40 7h 30m 1 Stop (BWI) Baltimore
      • BUFBuffalo Airport 06:10
        BWIBaltimore Washington International Airport 09:35
      • BWIBaltimore Washington International Airport 07:25
        DENDenver Intl Airport 11:40
      • 7h 30m (2h 10m)
      • 1 Stop BWI · Baltimore 2h 10m
      • Southwest Airlines (WN 3611)Boeing 737 800
        Southwest Airlines (WN 2932)Boeing 737 800
      • Southwest Airlines (WN 3611)
        • -
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        • W
        • -
        • -
        • -
        • -
      • 06:30 BUF
        11:37 DEN
        7Hrs, 07m 1 Stop (JFK)
      • BUFBuffalo Airport 06:30 - DEN 11:37 7h 07m 1 Stop (JFK) New York City
      • BUFBuffalo Airport 06:30
        JFKNew York John F. Kennedy International Airport 09:00
      • JFKNew York John F. Kennedy International Airport 07:59
        DENDenver Intl Airport 11:37
      • 7h 07m (1h 01m)
      • 1 Stop JFK · New York City 1h 01m
      • JetBlue Airways (B6 2001)Airbus A220 300
        JetBlue Airways (B6 1297)Airbus A220 300
      • JetBlue Airways (B6 2001)
        • -
        • -
        • -
        • T
        • F
        • S
        • S
      • 06:42 BUF
        11:21 DEN
        6Hrs, 39m 1 Stop (DFW)
      • BUFBuffalo Airport 06:42 - DEN 11:21 6h 39m 1 Stop (DFW) Dallas
      • BUFBuffalo Airport 06:42
        DFWDallas/Fort Worth Intl Airport 10:08
      • DFWDallas/Fort Worth Intl Airport 09:20
        DENDenver Intl Airport 11:21
      • 6h 39m (48m)
      • 1 Stop DFW · Dallas 48m
      • American Airlines (AA 882)Airbus
        American Airlines (AA 2359)Airbus
      • American Airlines (AA 882)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 06:42 BUF
        13:54 DEN
        9Hrs, 12m 1 Stop (DFW)
      • BUFBuffalo Airport 06:42 - DEN 13:54 9h 12m 1 Stop (DFW) Dallas
      • BUFBuffalo Airport 06:42
        DFWDallas/Fort Worth Intl Airport 12:37
      • DFWDallas/Fort Worth Intl Airport 09:20
        DENDenver Intl Airport 13:54
      • 9h 12m (3h 17m)
      • 1 Stop DFW · Dallas 3h 17m
      • American Airlines (AA 882)Airbus
        American Airlines (AA 420)Airbus
      • American Airlines (AA 882)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 06:55 BUF
        12:40 DEN
        7Hrs, 45m 1 Stop (PHX)
      • BUFBuffalo Airport 06:55 - DEN 12:40 7h 45m 1 Stop (PHX) Phoenix
      • BUFBuffalo Airport 06:55
        PHXPhoenix Sky Harbor Intl Airport 10:50
      • PHXPhoenix Sky Harbor Intl Airport 09:50
        DENDenver Intl Airport 12:40
      • 7h 45m (1h)
      • 1 Stop PHX · Phoenix 1h
      • Southwest Airlines (WN 3537)Boeing 737 700
        Southwest Airlines (WN 2902)Boeing 737 700
      • Southwest Airlines (WN 3537)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • 06:55 BUF
        14:05 DEN
        9Hrs, 10m 1 Stop (PHX)
      • BUFBuffalo Airport 06:55 - DEN 14:05 9h 10m 1 Stop (PHX) Phoenix
      • BUFBuffalo Airport 06:55
        PHXPhoenix Sky Harbor Intl Airport 12:20
      • PHXPhoenix Sky Harbor Intl Airport 09:50
        DENDenver Intl Airport 14:05
      • 9h 10m (2h 30m)
      • 1 Stop PHX · Phoenix 2h 30m
      • Southwest Airlines (WN 3537)Boeing 737 700
        Southwest Airlines (WN 3444)Boeing 737 700
      • Southwest Airlines (WN 3537)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • 07:00 BUF
        10:21 DEN
        5Hrs, 21m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - DEN 10:21 5h 21m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 08:44
      • ORDChicago O'Hare International Airport 07:58
        DENDenver Intl Airport 10:21
      • 5h 21m (46m)
      • 1 Stop ORD · Chicago 46m
      • American Airlines (AA 4053)Embraer 170
        American Airlines (AA 1647)Boeing 737 800
      • American Airlines (AA 4053)
        • -
        • -
        • -
        • T
        • F
        • S
        • S
      • 07:00 BUF
        10:35 DEN
        5Hrs, 35m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - DEN 10:35 5h 35m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 08:45
      • ORDChicago O'Hare International Airport 07:57
        DENDenver Intl Airport 10:35
      • 5h 35m (48m)
      • 1 Stop ORD · Chicago 48m
      • United Airlines (UA 329)Airbus
        United Airlines (UA 1731)Boeing 777
      • United Airlines (UA 329)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 07:00 BUF
        10:35 DEN
        5Hrs, 35m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - DEN 10:35 5h 35m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 08:45
      • ORDChicago O'Hare International Airport 07:57
        DENDenver Intl Airport 10:35
      • 5h 35m (48m)
      • 1 Stop ORD · Chicago 48m
      • United Airlines (UA 329)Boeing 737 700
        United Airlines (UA 1731)Boeing 777
      • United Airlines (UA 329)
        • M
        • T
        • W
        • T
        • F
        • S
        • -
      • 07:00 BUF
        12:40 DEN
        7Hrs, 40m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - DEN 12:40 7h 40m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 10:50
      • ORDChicago O'Hare International Airport 07:57
        DENDenver Intl Airport 12:40
      • 7h 40m (2h 53m)
      • 1 Stop ORD · Chicago 2h 53m
      • United Airlines (UA 329)Boeing 737 700
        United Airlines (UA 1803)Boeing 757 300 Series
      • United Airlines (UA 329)
        • M
        • T
        • W
        • T
        • F
        • S
        • -
      • 07:00 BUF
        12:40 DEN
        7Hrs, 40m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - DEN 12:40 7h 40m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 10:50
      • ORDChicago O'Hare International Airport 07:57
        DENDenver Intl Airport 12:40
      • 7h 40m (2h 53m)
      • 1 Stop ORD · Chicago 2h 53m
      • United Airlines (UA 329)Airbus
        United Airlines (UA 1803)Boeing 757 300 Series
      • United Airlines (UA 329)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 11:10 RAP
        07:57 ORD
        7Hrs, 43m 1 Stop (DEN)
      • RAPRapid City Regional Airport 11:10 - ORD 07:57 7h 43m 1 Stop (DEN) Denver
      • RAPRapid City Regional Airport 11:10
        BUFBuffalo Airport 07:00
      • DENDenver Intl Airport 12:43
        ORDChicago O'Hare International Airport 07:57
      • 7h 43m (1h 29m)
      • 1 Stop DEN · Denver 1h 29m
      • United Airlines (UA 5798)Embraer 175
        United Airlines (UA 329)Airbus
      • United Airlines (UA 5798)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 11:10 RAP
        07:57 ORD
        7Hrs, 43m 1 Stop (DEN)
      • RAPRapid City Regional Airport 11:10 - ORD 07:57 7h 43m 1 Stop (DEN) Denver
      • RAPRapid City Regional Airport 11:10
        BUFBuffalo Airport 07:00
      • DENDenver Intl Airport 12:43
        ORDChicago O'Hare International Airport 07:57
      • 7h 43m (1h 29m)
      • 1 Stop DEN · Denver 1h 29m
      • United Airlines (UA 5798)Embraer 175
        United Airlines (UA 329)Boeing 737 700
      • United Airlines (UA 5798)
        • M
        • T
        • W
        • T
        • F
        • S
        • -
      • 11:40 MCI
        07:57 ORD
        7Hrs, 44m 1 Stop (DEN)
      • MCIKansas City International Airport 11:40 - ORD 07:57 7h 44m 1 Stop (DEN) Denver
      • MCIKansas City International Airport 11:40
        BUFBuffalo Airport 07:00
      • DENDenver Intl Airport 12:44
        ORDChicago O'Hare International Airport 07:57
      • 7h 44m (2h 04m)
      • 1 Stop DEN · Denver 2h 04m
      • United Airlines (UA 5567)Embraer 175
        United Airlines (UA 329)Boeing 737 700
      • United Airlines (UA 5567)
        • M
        • T
        • W
        • T
        • F
        • -
        • -
      • 11:40 MCI
        07:57 ORD
        7Hrs, 44m 1 Stop (DEN)
      • MCIKansas City International Airport 11:40 - ORD 07:57 7h 44m 1 Stop (DEN) Denver
      • MCIKansas City International Airport 11:40
        BUFBuffalo Airport 07:00
      • DENDenver Intl Airport 12:44
        ORDChicago O'Hare International Airport 07:57
      • 7h 44m (2h)
      • 1 Stop DEN · Denver 2h
      • United Airlines (UA 5567)Embraer 175
        United Airlines (UA 329)Boeing 737 700
      • United Airlines (UA 5567)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 11:25 MSP
        07:57 ORD
        7Hrs, 44m 1 Stop (DEN)
      • MSPMinneapolis International Airport 11:25 - ORD 07:57 7h 44m 1 Stop (DEN) Denver
      • MSPMinneapolis International Airport 11:25
        BUFBuffalo Airport 07:00
      • DENDenver Intl Airport 12:44
        ORDChicago O'Hare International Airport 07:57
      • 7h 44m (1h 55m)
      • 1 Stop DEN · Denver 1h 55m
      • United Airlines (UA 2602)Boeing 737 800
        United Airlines (UA 329)Boeing 737 700
      • United Airlines (UA 2602)
        • M
        • T
        • W
        • T
        • F
        • -
        • -
      • 11:36 XNA
        07:57 ORD
        7Hrs, 44m 1 Stop (DEN)
      • XNAFayetteville Northwest Arkansas Reg Airport 11:36 - ORD 07:57 7h 44m 1 Stop (DEN) Denver
      • XNAFayetteville Northwest Arkansas Reg Airport 11:36
        BUFBuffalo Airport 07:00
      • DENDenver Intl Airport 12:44
        ORDChicago O'Hare International Airport 07:57
      • 7h 44m (1h 34m)
      • 1 Stop DEN · Denver 1h 34m
      • United Airlines (UA 5692)Crj 700 Canadair Regional
        United Airlines (UA 329)Airbus
      • United Airlines (UA 5692)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 11:40 MCI
        07:57 ORD
        7Hrs, 44m 1 Stop (DEN)
      • MCIKansas City International Airport 11:40 - ORD 07:57 7h 44m 1 Stop (DEN) Denver
      • MCIKansas City International Airport 11:40
        BUFBuffalo Airport 07:00
      • DENDenver Intl Airport 12:44
        ORDChicago O'Hare International Airport 07:57
      • 7h 44m (2h 04m)
      • 1 Stop DEN · Denver 2h 04m
      • United Airlines (UA 5567)Embraer 175
        United Airlines (UA 329)Airbus
      • United Airlines (UA 5567)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 11:25 MSP
        07:57 ORD
        7Hrs, 44m 1 Stop (DEN)
      • MSPMinneapolis International Airport 11:25 - ORD 07:57 7h 44m 1 Stop (DEN) Denver
      • MSPMinneapolis International Airport 11:25
        BUFBuffalo Airport 07:00
      • DENDenver Intl Airport 12:44
        ORDChicago O'Hare International Airport 07:57
      • 7h 44m (1h 55m)
      • 1 Stop DEN · Denver 1h 55m
      • United Airlines (UA 2602)Boeing 737 800
        United Airlines (UA 329)Airbus
      • United Airlines (UA 2602)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 11:36 XNA
        07:57 ORD
        7Hrs, 44m 1 Stop (DEN)
      • XNAFayetteville Northwest Arkansas Reg Airport 11:36 - ORD 07:57 7h 44m 1 Stop (DEN) Denver
      • XNAFayetteville Northwest Arkansas Reg Airport 11:36
        BUFBuffalo Airport 07:00
      • DENDenver Intl Airport 12:44
        ORDChicago O'Hare International Airport 07:57
      • 7h 44m (1h 34m)
      • 1 Stop DEN · Denver 1h 34m
      • United Airlines (UA 5692)Crj 700 Canadair Regional
        United Airlines (UA 329)Boeing 737 700
      • United Airlines (UA 5692)
        • M
        • T
        • W
        • T
        • F
        • S
        • -
      • 07:00 BUF
        13:24 DEN
        8Hrs, 24m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - DEN 13:24 8h 24m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 11:45
      • ORDChicago O'Hare International Airport 07:58
        DENDenver Intl Airport 13:24
      • 8h 24m (3h 47m)
      • 1 Stop ORD · Chicago 3h 47m
      • American Airlines (AA 4053)Embraer 170
        American Airlines (AA 779)Boeing 737 800
      • American Airlines (AA 4053)
        • -
        • -
        • -
        • T
        • F
        • -
        • S
      • 07:02 BUF
        12:06 DEN
        7Hrs, 04m 1 Stop (JFK)
      • BUFBuffalo Airport 07:02 - DEN 12:06 7h 04m 1 Stop (JFK) New York City
      • BUFBuffalo Airport 07:02
        JFKNew York John F. Kennedy International Airport 09:30
      • JFKNew York John F. Kennedy International Airport 08:32
        DENDenver Intl Airport 12:06
      • 7h 04m (58m)
      • 1 Stop JFK · New York City 58m
      • JetBlue Airways (B6 2001)Embraer Emb E90
        JetBlue Airways (B6 1297)Airbus A220 300
      • JetBlue Airways (B6 2001)
        • M
        • T
        • W
        • -
        • -
        • -
        • -
      • 07:10 BUF
        10:25 DEN
        5Hrs, 15m 1 Stop (ORD)
      • BUFBuffalo Airport 07:10 - DEN 10:25 5h 15m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:10
        ORDChicago O'Hare International Airport 08:44
      • ORDChicago O'Hare International Airport 08:07
        DENDenver Intl Airport 10:25
      • 5h 15m (37m)
      • 1 Stop ORD · Chicago 37m
      • American Airlines (AA 4053)Embraer 170
        American Airlines (AA 1647)Boeing 737 800
      • American Airlines (AA 4053)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 07:15 BUF
        13:24 DEN
        8Hrs, 09m 1 Stop (ORD)
      • BUFBuffalo Airport 07:15 - DEN 13:24 8h 09m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:15
        ORDChicago O'Hare International Airport 11:45
      • ORDChicago O'Hare International Airport 08:13
        DENDenver Intl Airport 13:24
      • 8h 09m (3h 32m)
      • 1 Stop ORD · Chicago 3h 32m
      • American Airlines (AA 4053)Embraer 170
        American Airlines (AA 779)Boeing 737 800
      • American Airlines (AA 4053)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 07:30 BUF
        10:55 DEN
        5Hrs, 25m 1 Stop (MDW)
      • BUFBuffalo Airport 07:30 - DEN 10:55 5h 25m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 07:30
        MDWChicago Midway Airport 09:15
      • MDWChicago Midway Airport 08:15
        DENDenver Intl Airport 10:55
      • 5h 25m (1h)
      • 1 Stop MDW · Chicago 1h
      • Southwest Airlines (WN 1360)Boeing 737 800
        Southwest Airlines (WN 1450)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1360)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • 07:30 BUF
        12:46 DEN
        7Hrs, 16m 1 Stop (BOS)
      • BUFBuffalo Airport 07:30 - DEN 12:46 7h 16m 1 Stop (BOS) Boston
      • BUFBuffalo Airport 07:30
        BOSBoston Logan International Airport 10:04
      • BOSBoston Logan International Airport 08:49
        DENDenver Intl Airport 12:46
      • 7h 16m (1h 15m)
      • 1 Stop BOS · Boston 1h 15m
      • JetBlue Airways (B6 216)Embraer Emb E90
        JetBlue Airways (B6 1863)Airbus
      • JetBlue Airways (B6 216)
        • -
        • -
        • -
        • T
        • F
        • S
        • S
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      What’s the fastest flight time from Buffalo to Denver?

      The fastest flight time for direct flights from Buffalo to Denver is 3 hours 40 minutes. Check latest flight schedules & prices on Wego.

      What’s the most popular airline flying from Buffalo to Denver?

      The most popular airline flying from Buffalo to Denver is Frontier Airlines. Find the latest flight deals on Wego.

      How far is Denver from Buffalo?

      The flight distance between Buffalo and Denver is 2199km. 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 19:15. See the full list of flight times on Wego.

      How many airlines offer direct flights from Buffalo to Denver?

      There are 2 airlines that offer direct flights from Buffalo to Denver. Find out the list of airlines on Wego.

      All Airports in Buffalo

      Buffalo Airport BUF

      All Airports in Denver

      Denver Intl Airport DEN

      Popular Airlines flying from Buffalo to Denver

      Frontier Airlines ‏()

      Popular Destinations from Denver

      Popular Destinations from Buffalo

      Popular Hotels in Denver

      Hotels In Popular Destinations