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Buffalo Niagara International Airport to Denver flight

Explore the cheapest one-way and round-trip flights from Buffalo Niagara International Airport to Denver over the next 90 days, with one-way fares from € 94 and round-trip from € 240. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        BUF 08:50
        3h 45m
        Direct
        DEN 10:35
        Buffalo - Denver | Fri, Nov 6 | United Airlines
        DEN 15:45
        3h 5m
        Direct
        BUF 20:50
        Denver - Buffalo | Wed, Nov 11 |
        € 327 € 461
        28% off
        28% off
        € 461 € 327
      • BUF 13:13
        11h 20m
        1 stop
        DEN 22:33
        Buffalo - Denver | Wed, Oct 14 | Frontier Airlines
        DEN 06:00
        10h 1m
        1 stop
        BUF 18:01
        Denver - Buffalo | Sun, Oct 18 | Frontier Airlines
        € 240 € 461
        48% off
        48% off
        € 461 € 240
      • BUF 12:53
        21h 14m
        1 stop
        DEN 08:07
        Buffalo - Denver | Thu, Oct 15 | Frontier Airlines
        DEN 19:02
        20h 54m
        1 stop
        BUF 17:56
        Denver - Buffalo | Mon, Oct 19 | Frontier Airlines
        € 258 € 461
        44% off
        44% off
        € 461 € 258
      • BUF 13:40
        9h 44m
        1 stop
        DEN 21:24
        Buffalo - Denver | Fri, Sep 25 | Frontier Airlines
        DEN 06:40
        9h 9m
        1 stop
        BUF 17:49
        Denver - Buffalo | Tue, Sep 29 | Frontier Airlines
        € 259
        44% off
        € 461 € 259
      • BUF 13:48
        9h 45m
        1 stop
        DEN 21:33
        Buffalo - Denver | Fri, Nov 6 | Frontier Airlines
        DEN 15:45
        3h 5m
        Direct
        BUF 20:50
        Denver - Buffalo | Wed, Nov 11 |
        € 266
        42% off
        € 461 € 266
      • BUF 09:00
        8h 3m
        1 stop
        DEN 15:03
        Buffalo - Denver | Sat, Nov 14 | Delta Air Lines
        DEN 07:10
        8h 21m
        1 stop
        BUF 17:31
        Denver - Buffalo | Mon, Nov 16 | Delta Air Lines
        € 292
        37% off
        € 461 € 292
      • BUF 14:10
        8h 32m
        1 stop
        DEN 20:42
        Buffalo - Denver | Wed, Oct 14 | Delta Air Lines
        DEN 06:00
        10h 1m
        1 stop
        BUF 18:01
        Denver - Buffalo | Sun, Oct 18 | Frontier Airlines
        € 294
        36% off
        € 461 € 294
      • BUF 16:09
        7h 44m
        1 stop
        DEN 21:53
        Buffalo - Denver | Thu, Oct 15 | Delta Air Lines
        DEN 06:00
        10h 1m
        1 stop
        BUF 18:01
        Denver - Buffalo | Sun, Oct 18 | Frontier Airlines
        € 294
        36% off
        € 461 € 294
      • BUF 07:55
        5h 49m
        1 stop
        DEN 11:44
        Buffalo - Denver | Sat, Nov 14 | American Airlines
        DEN 07:33
        6h 17m
        1 stop
        BUF 15:50
        Denver - Buffalo | Mon, Nov 16 | American Airlines
        € 297
        36% off
        € 461 € 297
      • BUF 13:44
        9h 47m
        1 stop
        DEN 21:31
        Buffalo - Denver | Wed, Oct 21 | Frontier Airlines
        DEN 14:35
        7h 24m
        1 stop
        BUF 23:59
        Denver - Buffalo | Fri, Oct 23 | Delta Air Lines
        € 303
        34% off
        € 461 € 303
      • BUF 18:59
        6h 15m
        1 stop
        DEN 23:14
        Buffalo - Denver | Fri, Sep 25 | Delta Air Lines
        DEN 06:40
        9h 9m
        1 stop
        BUF 17:49
        Denver - Buffalo | Tue, Sep 29 | Frontier Airlines
        € 309
        33% off
        € 461 € 309
      • BUF 12:15
        7h 17m
        1 stop
        DEN 17:32
        Buffalo - Denver | Fri, Nov 6 | Delta Air Lines
        DEN 15:45
        3h 5m
        Direct
        BUF 20:50
        Denver - Buffalo | Wed, Nov 11 |
        € 319
        31% off
        € 461 € 319
      • BUF 13:00
        17h 25m
        1 stop
        DEN 14:00
        Buffalo - Denver | Sat, Sep 26 | Normal Airline
        DEN 15:00
        6h
        Direct
        BUF 16:00
        Denver - Buffalo | Mon, Sep 28 | Normal Airline
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      • Cheapest nonstop
        BUF 08:50
        3h 45m
        Direct
        DEN 10:35
        Buffalo - Denver | Tue, Nov 17 | United Airlines
        € 171 € 241
        28% off
        28% off
        € 241 € 171
      • BUF 08:50
        3h 45m
        Direct
        DEN 10:35
        Buffalo - Denver | Wed, Nov 18 | United Airlines
        € 171 € 241
        28% off
        28% off
        € 241 € 171
      • BUF 13:44
        9h 47m
        1 stop
        DEN 21:31
        Buffalo - Denver | Fri, Nov 6 | Frontier Airlines
        € 94 € 241
        61% off
        61% off
        € 241 € 94
      • BUF 13:40
        9h 23m
        1 stop
        DEN 21:03
        Buffalo - Denver | Fri, Oct 23 | Frontier Airlines
        € 94
        61% off
        € 241 € 94
      • BUF 13:45
        9h 39m
        1 stop
        DEN 21:24
        Buffalo - Denver | Mon, Oct 19 | Frontier Airlines
        € 98
        59% off
        € 241 € 98
      • BUF 13:40
        9h 23m
        1 stop
        DEN 21:03
        Buffalo - Denver | Fri, Oct 16 | Frontier Airlines
        € 98
        59% off
        € 241 € 98
      • BUF 13:13
        26h 47m
        1 stop
        DEN 14:00
        Buffalo - Denver | Tue, Nov 17 | Frontier Airlines
        € 111
        54% off
        € 241 € 111
      • BUF 13:44
        9h 47m
        1 stop
        DEN 21:31
        Buffalo - Denver | Mon, Oct 26 | Frontier Airlines
        € 120
        50% off
        € 241 € 120
      • BUF 12:53
        9h 7m
        1 stop
        DEN 20:00
        Buffalo - Denver | Sat, Nov 7 | Frontier Airlines
        € 124
        49% off
        € 241 € 124
      • BUF 18:51
        15h 16m
        1 stop
        DEN 08:07
        Buffalo - Denver | Thu, Oct 29 | Frontier Airlines
        € 129
        46% off
        € 241 € 129
      • BUF 18:51
        27h 9m
        1 stop
        DEN 20:00
        Buffalo - Denver | Thu, Nov 5 | Frontier Airlines
        € 129
        46% off
        € 241 € 129
      • BUF 18:55
        15h 11m
        1 stop
        DEN 08:06
        Buffalo - Denver | Fri, Oct 23 | Delta Air Lines
        € 133
        45% off
        € 241 € 133
      • BUF 13:45
        20h 19m
        1 stop
        DEN 08:04
        Buffalo - Denver | Mon, Oct 12 | Frontier Airlines
        € 133
        45% off
        € 241 € 133
      • BUF 18:51
        15h 1m
        1 stop
        DEN 07:52
        Buffalo - Denver | Thu, Oct 15 | Frontier Airlines
        € 135
        44% off
        € 241 € 135
      • BUF 13:00
        17h 25m
        1 stop
        DEN 14:00
        Buffalo - Denver | Sat, Sep 26 | Normal Airline
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Flight prices from Buffalo Niagara International Airport to Denver are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

Which airlines are the most popular for Buffalo Niagara International Airport to Denver flights?

See which airlines fly from Buffalo Niagara International Airport to Denver. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.
Delta Air Lines logo Delta Air Lines

Flight Schedule from Buffalo Niagara International Airport to Denver

Check the schedule for flights from Buffalo Niagara International Airport to Denver and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA1195

    Buffalo Niagara International Airport

    07:59

    BUF

    2h 11m

    Direct

    09:10

    ORD

    S M T W T F S
    Search

  2. AA1277

    O'Hare International Airport

    11:59

    ORD

    2h 48m

    Direct

    13:47

    DEN

    S M T W T F S

  3. DL5362

    Buffalo Niagara International Airport

    14:10

    BUF

    1h 29m

    Direct

    15:39

    LGA

    S M T W T - S
    Search

  4. DL710

    LaGuardia Airport

    17:59

    LGA

    4h 32m

    Direct

    20:31

    DEN

    S M T W T - S

  5. F91691

    Buffalo Niagara International Airport

    12:49

    BUF

    2h 50m

    Direct

    15:39

    MCO

    - M - W - - S
    Search

  6. F93311

    Orlando International Airport

    17:25

    MCO

    4h 12m

    Direct

    19:37

    DEN

    S - - W T - S

  7. F91407

    Buffalo Niagara International Airport

    13:40

    BUF

    2h 15m

    Direct

    15:55

    ATL

    S - T - T F -
    Search

  8. F93599

    Hartsfield–Jackson Atlanta International Airport

    19:38

    ATL

    3h 25m

    Direct

    21:03

    DEN

    S M T W T F S

  9. F91691

    Buffalo Niagara International Airport

    12:49

    BUF

    2h 50m

    Direct

    15:39

    MCO

    - M - W - - S
    Search

  10. F91733

    Orlando International Airport

    05:55

    MCO

    3h 57m

    Direct

    07:52

    DEN

    S M T W T F S

  11. DL2050

    Buffalo Niagara International Airport

    19:40

    BUF

    2h 18m

    Direct

    21:58

    ATL

    S M T W T - S
    Search

  12. F91449

    Hartsfield–Jackson Atlanta International Airport

    06:41

    ATL

    3h 23m

    Direct

    08:04

    DEN

    S M T W T F S

  13. DL2266

    Buffalo Niagara International Airport

    17:24

    BUF

    2h 25m

    Direct

    19:49

    ATL

    S M T W T F S
    Search

  14. F91449

    Hartsfield–Jackson Atlanta International Airport

    06:41

    ATL

    3h 23m

    Direct

    08:04

    DEN

    S M T W T F S

  15. DL2664

    Buffalo Niagara International Airport

    06:00

    BUF

    2h 21m

    Direct

    08:21

    ATL

    S M T W T F S
    Search

  16. F93599

    Hartsfield–Jackson Atlanta International Airport

    19:38

    ATL

    3h 25m

    Direct

    21:03

    DEN

    S M T W T F S

  17. F91407

    Buffalo Niagara International Airport

    13:40

    BUF

    2h 15m

    Direct

    15:55

    ATL

    S - T - T F -
    Search

  18. F91449

    Hartsfield–Jackson Atlanta International Airport

    06:41

    ATL

    3h 23m

    Direct

    08:04

    DEN

    S M T W T F S

  19. DL2664

    Buffalo Niagara International Airport

    06:00

    BUF

    2h 21m

    Direct

    08:21

    ATL

    S M T W T F S
    Search

  20. F91449

    Hartsfield–Jackson Atlanta International Airport

    06:41

    ATL

    3h 23m

    Direct

    08:04

    DEN

    S M T W T F S
Find more flights and airlines

What to know about flights from Buffalo Niagara International Airport to Denver?

Cheapest return ticket price € 266
Cheapest one-way flight price € 80
Off-season for travel October
Peak season for travel June

FAQs for Buffalo Niagara International Airport to Denver Flights

  • When is peak season for travel to Denver?

    ؜The peak travel time for visiting Denver is October. During this time, flights from Buffalo Niagara International Airport to Denver are the most expensive. Cheap tickets can still be booked on Trip.com.
  • Flights from Buffalo Niagara International Airport (BUF) to Denver International Airport (DEN) take around 3 hours 40 minutes.
  • There are 2 airports near Denver: Denver International Airport and Rocky Mountain Metropolitan Airport.
  • United Airlines is a very popular airline operating an average of 169 flights per month.
  • The earliest flight departs from Buffalo Niagara International Airport (BUF) at 05:55 and arrives in Denver (DEN) at 07:35.
  • Yes. United Airlines operate direct flights from Buffalo Niagara International Airport to Denver. The average flight time is approximately 3 hours 17 minutes, with about 1 flights per week. Actual schedules may vary by season.
  • The cheapest one-way flight from Buffalo Niagara International Airport to Denver currently starts from € 94, with round-trip fares from € 240. The lowest fare is offered by Frontier Airlines departing on Fri, Nov 6; prices are subject to availability.
  • Yes. The average flight time from Buffalo Niagara International Airport to Denver is about 3 hours 19 minutes. Actual flight time may vary due to routing, weather, and air traffic.
  • Currently, multiple airlines offer flights from Buffalo Niagara International Airport to Denver, including: United Airlines Delta Air Lines Frontier Airlines The selected airlines are based on Trip.com user booking data from the past 90 days.
  • Based on Trip.com flight data for departures within the next 30 days, the average one-way fare from Buffalo Niagara International Airport to Denver is € 244, and the average round-trip fare is € 437. Prices may vary depending on the departure date, airline, and availability.
  • The earliest flight from Buffalo Niagara International Airport to Denver departs at 06:50, and the latest one departs at 08:55. There are approximately 2 flights per day. Flight times may change, so please check the latest departure and arrival times before your trip.
  • Flights from Buffalo Niagara International Airport to Denver usually arrive at Denver International Airport. Denver International Airport is the most convenient option for this route.

Popular Destinations & Recommendations

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.