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Denver to Buffalo Niagara International Airport flight

Explore the cheapest one-way and round-trip flights from Denver to Buffalo Niagara International Airport over the next 90 days, with one-way fares from CAD 182 and round-trip from CAD 408. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      DEN 17:30
      3h 8m
      Direct
      BUF 22:38
      Denver - Buffalo | Fri, Nov 13 | United Airlines
      BUF 08:50
      3h 45m
      Direct
      DEN 10:35
      Buffalo - Denver | Fri, Nov 20 | United Airlines
      CAD 573 CAD 929
      38% off
      38% off
      CAD 929 CAD 573
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Sun, Nov 8 | United Airlines
      BUF 08:50
      3h 45m
      Direct
      DEN 10:35
      Buffalo - Denver | Sat, Nov 14 | United Airlines
      CAD 687 CAD 929
      26% off
      26% off
      CAD 929 CAD 687
    • DEN 06:40
      8h 7m
      1 stop
      BUF 16:47
      Denver - Buffalo | Thu, Nov 12 | Frontier Airlines
      BUF 15:20
      7h 5m
      1 stop
      DEN 20:25
      Buffalo - Denver | Mon, Nov 16 | Delta Air Lines
      CAD 408 CAD 929
      56% off
      56% off
      CAD 929 CAD 408
    • DEN 23:59
      15h 41m
      1 stop
      BUF 17:40
      Denver - Buffalo | Wed, Dec 16 | Frontier Airlines
      BUF 09:47
      25h
      1 stop
      DEN 08:47
      Buffalo - Denver | Mon, Dec 21 | Frontier Airlines
      CAD 436
      53% off
      CAD 929 CAD 436
    • DEN 18:59
      10h 8m
      1 stop
      BUF 07:07
      Denver - Buffalo | Thu, Nov 5 | Frontier Airlines
      BUF 14:00
      9h 33m
      1 stop
      DEN 21:33
      Buffalo - Denver | Wed, Nov 11 | Frontier Airlines
      CAD 436
      53% off
      CAD 929 CAD 436
    • DEN 10:36
      6h 37m
      1 stop
      BUF 19:13
      Denver - Buffalo | Thu, Nov 12 | Delta Air Lines
      BUF 18:36
      6h 39m
      1 stop
      DEN 23:15
      Buffalo - Denver | Mon, Nov 16 | Delta Air Lines
      CAD 446
      52% off
      CAD 929 CAD 446
    • DEN 09:09
      6h 57m
      1 stop
      BUF 18:06
      Denver - Buffalo | Tue, Nov 10 | American Airlines
      BUF 13:13
      11h 20m
      1 stop
      DEN 22:33
      Buffalo - Denver | Tue, Nov 17 | Frontier Airlines
      CAD 447
      52% off
      CAD 929 CAD 447
    • DEN 14:27
      5h 10m
      1 stop
      BUF 21:37
      Denver - Buffalo | Thu, Nov 12 | American Airlines
      BUF 18:46
      7h 40m
      1 stop
      DEN 00:26
      Buffalo - Denver | Mon, Nov 16 | American Airlines
      CAD 454
      51% off
      CAD 929 CAD 454
    • DEN 08:00
      8h
      1 stop
      BUF 18:00
      Denver - Buffalo | Tue, Nov 10 | Delta Air Lines
      BUF 06:00
      9h 21m
      1 stop
      DEN 13:21
      Buffalo - Denver | Tue, Nov 17 | Delta Air Lines
      CAD 470
      49% off
      CAD 929 CAD 470
    • DEN 13:00
      17h 25m
      1 stop
      BUF 14:00
      Denver - Buffalo | Mon, Oct 26 | Normal Airline
      BUF 15:00
      6h
      Direct
      DEN 16:00
      Buffalo - Denver | Wed, Oct 28 | Normal Airline
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    • Cheapest
      DEN 11:06
      19h 46m
      1 stop
      BUF 08:52
      Denver - Buffalo | Sun, Dec 20 | Frontier Airlines
      CAD 182 CAD 371
      51% off
      51% off
      CAD 371 CAD 182
    • DEN 06:40
      9h 12m
      1 stop
      BUF 17:52
      Denver - Buffalo | Sun, Nov 1 | Frontier Airlines
      CAD 203 CAD 371
      45% off
      45% off
      CAD 371 CAD 203
    • DEN 06:40
      8h 7m
      1 stop
      BUF 16:47
      Denver - Buffalo | Sun, Nov 15 | Frontier Airlines
      CAD 203 CAD 371
      45% off
      45% off
      CAD 371 CAD 203
    • DEN 16:06
      4h 32m
      1 stop
      BUF 22:38
      Denver - Buffalo | Tue, Nov 10 | Delta Air Lines
      CAD 208
      44% off
      CAD 371 CAD 208
    • DEN 16:10
      5h 51m
      1 stop
      BUF 00:01
      Denver - Buffalo | Sat, Dec 5 | Delta Air Lines
      CAD 208
      44% off
      CAD 371 CAD 208
    • DEN 10:58
      23h 1m
      1 stop
      BUF 11:59
      Denver - Buffalo | Tue, Nov 17 | Frontier Airlines
      CAD 211
      43% off
      CAD 371 CAD 211
    • DEN 10:58
      23h 1m
      1 stop
      BUF 11:59
      Denver - Buffalo | Tue, Nov 10 | Frontier Airlines
      CAD 211
      43% off
      CAD 371 CAD 211
    • DEN 12:18
      21h 41m
      1 stop
      BUF 11:59
      Denver - Buffalo | Sat, Nov 14 | Frontier Airlines
      CAD 211
      43% off
      CAD 371 CAD 211
    • DEN 19:02
      21h 50m
      1 stop
      BUF 17:52
      Denver - Buffalo | Tue, Nov 3 | Frontier Airlines
      CAD 211
      43% off
      CAD 371 CAD 211
    • DEN 13:00
      17h 25m
      1 stop
      BUF 14:00
      Denver - Buffalo | Mon, Oct 26 | Normal Airline
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    • Cheapest nonstop
      DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Sat, Oct 31 | United Airlines
      CAD 274 CAD 371
      26% off
      26% off
      CAD 371 CAD 274
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Wed, Nov 18 | United Airlines
      CAD 274 CAD 479
      43% off
      43% off
      CAD 479 CAD 274
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Tue, Oct 27 | United Airlines
      CAD 275 CAD 479
      43% off
      43% off
      CAD 479 CAD 275
    • DEN 17:33
      3h 20m
      Direct
      BUF 22:53
      Denver - Buffalo | Tue, Jan 5 | United Airlines
      CAD 299
      38% off
      CAD 479 CAD 299
    • DEN 14:00
      3h 8m
      Direct
      BUF 19:08
      Denver - Buffalo | Thu, Nov 26 | United Airlines
      CAD 306
      36% off
      CAD 479 CAD 306
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Thu, Nov 5 | United Airlines
      CAD 327
      32% off
      CAD 479 CAD 327
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Tue, Nov 3 | United Airlines
      CAD 329
      31% off
      CAD 479 CAD 329
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Mon, Nov 2 | United Airlines
      CAD 329
      31% off
      CAD 479 CAD 329
    • DEN 17:25
      3h 20m
      Direct
      BUF 22:45
      Denver - Buffalo | Thu, Dec 31 | United Airlines
      CAD 344
      28% off
      CAD 479 CAD 344
    • DEN 13:00
      17h 25m
      1 stop
      BUF 14:00
      Denver - Buffalo | Mon, Oct 26 | Normal Airline
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    • Cheapest nonstop
      DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Wed, Nov 18 | United Airlines
      CAD 274 CAD 479
      43% off
      43% off
      CAD 479 CAD 274
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Sat, Oct 31 | United Airlines
      CAD 274 CAD 479
      43% off
      43% off
      CAD 479 CAD 274
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Tue, Oct 27 | United Airlines
      CAD 275 CAD 479
      43% off
      43% off
      CAD 479 CAD 275
    • DEN 17:33
      3h 20m
      Direct
      BUF 22:53
      Denver - Buffalo | Tue, Jan 5 | United Airlines
      CAD 299
      38% off
      CAD 479 CAD 299
    • DEN 14:00
      3h 8m
      Direct
      BUF 19:08
      Denver - Buffalo | Thu, Nov 26 | United Airlines
      CAD 306
      36% off
      CAD 479 CAD 306
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Thu, Nov 5 | United Airlines
      CAD 327
      32% off
      CAD 479 CAD 327
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Tue, Nov 3 | United Airlines
      CAD 329
      31% off
      CAD 479 CAD 329
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Mon, Nov 2 | United Airlines
      CAD 329
      31% off
      CAD 479 CAD 329
    • DEN 17:25
      3h 20m
      Direct
      BUF 22:45
      Denver - Buffalo | Tue, Dec 29 | United Airlines
      CAD 344
      28% off
      CAD 479 CAD 344
    • DEN 13:00
      17h 25m
      1 stop
      BUF 14:00
      Denver - Buffalo | Mon, Oct 26 | Normal Airline
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    • Cheapest nonstop
      DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Sat, Oct 31 | United Airlines
      CAD 274 CAD 513
      47% off
      47% off
      CAD 513 CAD 274
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Tue, Oct 27 | United Airlines
      CAD 275 CAD 513
      46% off
      46% off
      CAD 513 CAD 275
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Mon, Oct 26 | United Airlines
      CAD 353 CAD 513
      31% off
      31% off
      CAD 513 CAD 353
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Fri, Oct 30 | United Airlines
      CAD 379
      26% off
      CAD 513 CAD 379
    • DEN 06:30
      5h 57m
      1 stop
      BUF 14:27
      Denver - Buffalo | Mon, Oct 26 | American Airlines
      CAD 289
      44% off
      CAD 513 CAD 289
    • DEN 13:00
      17h 25m
      1 stop
      BUF 14:00
      Denver - Buffalo | Mon, Oct 26 | Normal Airline
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    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Sat, Oct 31 | United Airlines
      CAD 274 CAD 371
      26% off
      26% off
      CAD 371 CAD 274
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Wed, Nov 18 | United Airlines
      CAD 274 CAD 479
      43% off
      43% off
      CAD 479 CAD 274
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Tue, Oct 27 | United Airlines
      CAD 275 CAD 479
      43% off
      43% off
      CAD 479 CAD 275
    • DEN 14:00
      3h 8m
      Direct
      BUF 19:08
      Denver - Buffalo | Thu, Nov 26 | United Airlines
      CAD 306
      36% off
      CAD 479 CAD 306
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Thu, Nov 5 | United Airlines
      CAD 327
      32% off
      CAD 479 CAD 327
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Tue, Nov 3 | United Airlines
      CAD 329
      31% off
      CAD 479 CAD 329
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Mon, Nov 2 | United Airlines
      CAD 329
      31% off
      CAD 479 CAD 329
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Fri, Nov 6 | United Airlines
      CAD 348
      62% off
      CAD 915 CAD 348
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Mon, Oct 26 | United Airlines
      CAD 353
      26% off
      CAD 479 CAD 353
    • DEN 13:00
      17h 25m
      1 stop
      BUF 14:00
      Denver - Buffalo | Mon, Oct 26 | Normal Airline
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Displayed flight fares from Denver to Buffalo are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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

United Airlines logo United Airlines
Frontier Airlines logo Frontier Airlines

Flight Schedule from Denver to Buffalo Niagara International Airport

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL1648

    Denver International Airport

    16:15

    DEN

    2h 45m

    Direct

    21:00

    DTW

    S M T W T F S
    Search

  2. DL978

    Detroit Metropolitan Wayne County Airport

    22:50

    DTW

    1h 11m

    Direct

    00:01

    BUF

    S M T W T F S

  3. F93312

    Denver International Airport

    10:40

    DEN

    3h 43m

    Direct

    16:23

    MCO

    S M T W T F S
    Search

  4. F91692

    Orlando International Airport

    15:08

    MCO

    2h 44m

    Direct

    17:52

    BUF

    - - - W - - S

  5. F94646

    Denver International Airport

    06:40

    DEN

    3h 39m

    Direct

    12:19

    MCO

    S - - W T - S
    Search

  6. F91692

    Orlando International Airport

    15:08

    MCO

    2h 44m

    Direct

    17:52

    BUF

    - - - W - - S

  7. DL532

    Denver International Airport

    12:15

    DEN

    4h 3m

    Direct

    18:18

    JFK

    S M T W T F S
    Search

  8. DL5264

    John F. Kennedy International Airport

    22:10

    JFK

    1h 40m

    Direct

    23:50

    BUF

    S M T W T F S

  9. F93294

    Denver International Airport

    11:04

    DEN

    3h 3m

    Direct

    16:07

    ATL

    S M T W T F S
    Search

  10. F91408

    Hartsfield–Jackson Atlanta International Airport

    10:49

    ATL

    2h 10m

    Direct

    12:59

    BUF

    S - T - T - -

  11. F92520

    Denver International Airport

    19:02

    DEN

    3h 41m

    Direct

    00:43

    MCO

    S M T W T F S
    Search

  12. F91692

    Orlando International Airport

    15:08

    MCO

    2h 44m

    Direct

    17:52

    BUF

    - - - W - - S

  13. F92440

    Denver International Airport

    13:18

    DEN

    3h 21m

    Direct

    18:39

    RDU

    S - T - T F -
    Search

  14. F92980

    Raleigh-Durham International Airport

    10:00

    RDU

    1h 44m

    Direct

    11:44

    BUF

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

Cheapest return ticket price CAD 525
Cheapest one-way flight price CAD 182
Off-season travel month October
Peak season for travel July

FAQs for Denver to Buffalo Niagara International Airport Flights

  • When are flight tickets from Denver (DEN) to Buffalo (BUF) the cheapest?

    Airlines adjust prices for flights from Denver to Buffalo based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • According to Trip.com's data, the lowest price is around CAD 465.
  • A flight from Denver (DEN) to Buffalo (BUF) takes an average of 3 hours 9 minutes.
  • Airlines with flights from Denver (DEN) to Buffalo (BUF): United Airlines.
  • Frontier Airlines operates 1 direct flights from Denver (DEN) to Buffalo (BUF).
  • There are 1 airport(s) in Buffalo (BUF): Buffalo Niagara International Airport.
  • One-way flights from Denver to Buffalo Niagara International Airport currently start from CAD 182, and round-trip fares start from CAD 408. The lowest fare is currently available on flights operated by Frontier Airlines departing on Sun, Dec 20. Fares are subject to change based on availability.
  • A direct flight from Denver to Buffalo Niagara International Airport takes about 2 hours 40 minutes on average. Actual flight time may vary depending on the route, weather and air traffic.
  • Enter your Denver and Buffalo Niagara International Airport, select your departure date and number of passengers, then compare flights by price, flight duration and baggage allowance. Once you've chosen a fare, review the change and cancellation policy, fill in your passenger details and pay to receive your booking confirmation.
  • Yes. United Airlines operate direct flights from Denver to Buffalo Niagara International Airport. The flight time is approximately 2 hours 40 minutes, with about 14 flights per week. Actual flight frequency may vary by season.
  • The latest flight from Denver to Buffalo Niagara International Airport departs at 17:31, with approximately 5 flights per day. Flight schedules may change, so please check the latest departure times before travelling.
  • Buffalo has 1 airports reachable by flights departing from Denver, including Buffalo Niagara International Airport. When choosing an airport, consider its distance to the city centre and route coverage.

Find Cheap Flights with Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.