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Denver International Airport to Buffalo Niagara International Airport flight

Explore the cheapest one-way and round-trip flights from Denver International Airport to Buffalo Niagara International Airport over the next 90 days, with one-way fares from CAD 204 and round-trip from CAD 409. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      DEN 17:30
      3h 8m
      Direct
      BUF 22:38
      Denver - Buffalo | Thu, Nov 19 | United Airlines
      BUF 08:50
      3h 45m
      Direct
      DEN 10:35
      Buffalo - Denver | Thu, Nov 26 | United Airlines
      CAD 574 CAD 860
      33% off
      33% off
      CAD 860 CAD 574
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Sat, Nov 14 | United Airlines
      BUF 08:50
      3h 45m
      Direct
      DEN 10:35
      Buffalo - Denver | Fri, Nov 20 | United Airlines
      CAD 688 CAD 860
      20% off
      20% off
      CAD 860 CAD 688
    • DEN 06:40
      8h 7m
      1 stop
      BUF 16:47
      Denver - Buffalo | Sat, Nov 21 | Frontier Airlines
      BUF 15:20
      7h 5m
      1 stop
      DEN 20:25
      Buffalo - Denver | Wed, Nov 25 | Delta Air Lines
      CAD 409 CAD 860
      52% off
      52% off
      CAD 860 CAD 409
    • DEN 23:59
      15h 41m
      1 stop
      BUF 17:40
      Denver - Buffalo | Fri, Dec 25 | Frontier Airlines
      BUF 09:47
      25h
      1 stop
      DEN 08:47
      Buffalo - Denver | Wed, Dec 30 | Frontier Airlines
      CAD 437
      49% off
      CAD 860 CAD 437
    • DEN 18:59
      10h 8m
      1 stop
      BUF 07:07
      Denver - Buffalo | Sat, Nov 14 | Frontier Airlines
      BUF 14:00
      9h 33m
      1 stop
      DEN 21:33
      Buffalo - Denver | Fri, Nov 20 | Frontier Airlines
      CAD 437
      49% off
      CAD 860 CAD 437
    • DEN 00:59
      5h 27m
      1 stop
      BUF 08:26
      Denver - Buffalo | Sat, Oct 31 | Delta Air Lines
      BUF 13:44
      9h 47m
      1 stop
      DEN 21:31
      Buffalo - Denver | Mon, Nov 2 | Frontier Airlines
      CAD 440
      49% off
      CAD 860 CAD 440
    • DEN 06:40
      9h 12m
      1 stop
      BUF 17:52
      Denver - Buffalo | Sat, Oct 31 | Frontier Airlines
      BUF 13:44
      9h 47m
      1 stop
      DEN 21:31
      Buffalo - Denver | Mon, Nov 2 | Frontier Airlines
      CAD 443
      48% off
      CAD 860 CAD 443
    • DEN 10:36
      6h 37m
      1 stop
      BUF 19:13
      Denver - Buffalo | Sat, Nov 21 | Delta Air Lines
      BUF 18:36
      6h 39m
      1 stop
      DEN 23:15
      Buffalo - Denver | Wed, Nov 25 | Delta Air Lines
      CAD 447
      48% off
      CAD 860 CAD 447
    • DEN 09:09
      6h 57m
      1 stop
      BUF 18:06
      Denver - Buffalo | Thu, Nov 19 | American Airlines
      BUF 13:13
      11h 20m
      1 stop
      DEN 22:33
      Buffalo - Denver | Thu, Nov 26 | Frontier Airlines
      CAD 447
      48% off
      CAD 860 CAD 447
    • DEN 13:00
      17h 25m
      1 stop
      BUF 14:00
      Denver - Buffalo | Thu, Oct 29 | Normal Airline
      BUF 15:00
      6h
      Direct
      DEN 16:00
      Buffalo - Denver | Sat, Oct 31 | Normal Airline
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    • Cheapest
      DEN 06:40
      9h 12m
      1 stop
      BUF 17:52
      Denver - Buffalo | Sat, Nov 7 | Frontier Airlines
      CAD 204 CAD 344
      41% off
      41% off
      CAD 344 CAD 204
    • Cheapest
      DEN 06:40
      8h 7m
      1 stop
      BUF 16:47
      Denver - Buffalo | Sat, Nov 21 | Frontier Airlines
      CAD 204 CAD 344
      41% off
      41% off
      CAD 344 CAD 204
    • DEN 06:30
      10h 16m
      1 stop
      BUF 18:46
      Denver - Buffalo | Sat, Dec 26 | Frontier Airlines
      CAD 207 CAD 344
      40% off
      40% off
      CAD 344 CAD 207
    • DEN 16:06
      4h 32m
      1 stop
      BUF 22:38
      Denver - Buffalo | Mon, Nov 16 | Delta Air Lines
      CAD 208
      40% off
      CAD 344 CAD 208
    • DEN 16:10
      5h 51m
      1 stop
      BUF 00:01
      Denver - Buffalo | Fri, Dec 11 | Delta Air Lines
      CAD 208
      40% off
      CAD 344 CAD 208
    • DEN 10:58
      23h 1m
      1 stop
      BUF 11:59
      Denver - Buffalo | Mon, Nov 23 | Frontier Airlines
      CAD 211
      39% off
      CAD 344 CAD 211
    • DEN 10:58
      23h 1m
      1 stop
      BUF 11:59
      Denver - Buffalo | Mon, Nov 16 | Frontier Airlines
      CAD 211
      39% off
      CAD 344 CAD 211
    • DEN 12:18
      21h 41m
      1 stop
      BUF 11:59
      Denver - Buffalo | Fri, Nov 20 | Frontier Airlines
      CAD 212
      38% off
      CAD 344 CAD 212
    • DEN 19:02
      21h 50m
      1 stop
      BUF 17:52
      Denver - Buffalo | Mon, Nov 9 | Frontier Airlines
      CAD 212
      38% off
      CAD 344 CAD 212
    • DEN 13:00
      17h 25m
      1 stop
      BUF 14:00
      Denver - Buffalo | Thu, Oct 29 | 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 883
      69% off
      69% off
      CAD 883 CAD 274
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Mon, Nov 9 | United Airlines
      CAD 275 CAD 344
      20% off
      20% off
      CAD 344 CAD 275
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Sat, Oct 31 | United Airlines
      CAD 275 CAD 883
      69% off
      69% off
      CAD 883 CAD 275
    • DEN 14:00
      3h 8m
      Direct
      BUF 19:08
      Denver - Buffalo | Thu, Nov 26 | United Airlines
      CAD 306
      65% off
      CAD 883 CAD 306
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Thu, Nov 5 | United Airlines
      CAD 328
      63% off
      CAD 883 CAD 328
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Tue, Nov 3 | United Airlines
      CAD 329
      63% off
      CAD 883 CAD 329
    • DEN 17:25
      3h 20m
      Direct
      BUF 22:45
      Denver - Buffalo | Thu, Dec 31 | United Airlines
      CAD 345
      61% off
      CAD 883 CAD 345
    • DEN 17:33
      3h 20m
      Direct
      BUF 22:53
      Denver - Buffalo | Tue, Jan 5 | United Airlines
      CAD 345
      61% off
      CAD 883 CAD 345
    • DEN 17:25
      3h 20m
      Direct
      BUF 22:45
      Denver - Buffalo | Tue, Dec 29 | United Airlines
      CAD 345
      61% off
      CAD 883 CAD 345
    • DEN 13:00
      17h 25m
      1 stop
      BUF 14:00
      Denver - Buffalo | Thu, Oct 29 | 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 900
      70% off
      70% off
      CAD 900 CAD 274
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Sat, Oct 31 | United Airlines
      CAD 275 CAD 900
      69% off
      69% off
      CAD 900 CAD 275
    • DEN 14:00
      3h 8m
      Direct
      BUF 19:08
      Denver - Buffalo | Thu, Nov 26 | United Airlines
      CAD 306 CAD 900
      66% off
      66% off
      CAD 900 CAD 306
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Thu, Nov 5 | United Airlines
      CAD 328
      64% off
      CAD 900 CAD 328
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Tue, Nov 3 | United Airlines
      CAD 329
      63% off
      CAD 900 CAD 329
    • DEN 17:33
      3h 20m
      Direct
      BUF 22:53
      Denver - Buffalo | Tue, Jan 5 | United Airlines
      CAD 345
      62% off
      CAD 900 CAD 345
    • DEN 17:25
      3h 20m
      Direct
      BUF 22:45
      Denver - Buffalo | Tue, Dec 29 | United Airlines
      CAD 345
      62% off
      CAD 900 CAD 345
    • DEN 17:25
      3h 20m
      Direct
      BUF 22:45
      Denver - Buffalo | Thu, Dec 31 | United Airlines
      CAD 345
      62% off
      CAD 900 CAD 345
    • DEN 17:25
      3h 20m
      Direct
      BUF 22:45
      Denver - Buffalo | Fri, Jan 1 | United Airlines
      CAD 345
      62% off
      CAD 900 CAD 345
    • DEN 13:00
      17h 25m
      1 stop
      BUF 14:00
      Denver - Buffalo | Thu, Oct 29 | 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 275 CAD 900
      69% off
      69% off
      CAD 900 CAD 275
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Tue, Nov 3 | United Airlines
      CAD 329 CAD 900
      63% off
      63% off
      CAD 900 CAD 329
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Fri, Oct 30 | United Airlines
      CAD 379 CAD 900
      57% off
      57% off
      CAD 900 CAD 379
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Sun, Nov 1 | United Airlines
      CAD 441
      51% off
      CAD 900 CAD 441
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Mon, Nov 2 | United Airlines
      CAD 706
      22% off
      CAD 900 CAD 706
    • DEN 14:27
      5h 10m
      1 stop
      BUF 21:37
      Denver - Buffalo | Mon, Nov 2 | American Airlines
      CAD 720
      20% off
      CAD 900 CAD 720
    • DEN 13:00
      17h 25m
      1 stop
      BUF 14:00
      Denver - Buffalo | Thu, Oct 29 | Normal Airline
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    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Wed, Nov 18 | United Airlines
      CAD 274 CAD 883
      69% off
      69% off
      CAD 883 CAD 274
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Mon, Nov 9 | United Airlines
      CAD 275 CAD 344
      20% off
      20% off
      CAD 344 CAD 275
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Sat, Oct 31 | United Airlines
      CAD 275 CAD 883
      69% off
      69% off
      CAD 883 CAD 275
    • DEN 14:00
      3h 8m
      Direct
      BUF 19:08
      Denver - Buffalo | Thu, Nov 26 | United Airlines
      CAD 306
      65% off
      CAD 883 CAD 306
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Thu, Nov 5 | United Airlines
      CAD 328
      63% off
      CAD 883 CAD 328
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Tue, Nov 3 | United Airlines
      CAD 329
      63% off
      CAD 883 CAD 329
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Fri, Nov 6 | United Airlines
      CAD 349
      60% off
      CAD 883 CAD 349
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Sat, Nov 7 | United Airlines
      CAD 354
      60% off
      CAD 883 CAD 354
    • DEN 17:25
      3h 8m
      Direct
      BUF 22:33
      Denver - Buffalo | Fri, Oct 30 | United Airlines
      CAD 379
      56% off
      CAD 883 CAD 379
    • DEN 13:00
      17h 25m
      1 stop
      BUF 14:00
      Denver - Buffalo | Thu, Oct 29 | 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 airline offers the cheapest flights from Denver International Airport to Buffalo Niagara International Airport?

The cheapest airline flying from Denver International Airport to Buffalo Niagara International Airport is Frontier Airlines (from CAD 204) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From CAD 204
Delta Air Lines
From CAD 208
United Airlines
From CAD 275
American Airlines
From CAD 280
Jetblue Airways
From CAD 638
Hahn Air
From CAD 725

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What is the flight schedule from Denver International Airport to Buffalo Niagara International Airport?

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

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 38m

    Direct

    16:18

    MCO

    S M T W T F -
    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

    18:57

    DEN

    3h 2m

    Direct

    23:59

    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 35m

    Direct

    00:37

    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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About Denver International Airport and Buffalo Niagara International Airport

Learn about Denver International Airport (DEN) and Buffalo Niagara International Airport (BUF) — including location, terminals, transportation, and travel tips.

Flight distance 2,184.47km
Cheapest one-way ticket price CAD 204
Cheapest return ticket price CAD 409

FAQs for Denver International Airport to Buffalo Niagara International Airport Flights

  • How long is the flight from Denver International Airport to Buffalo Niagara International Airport?

    Denver International Airport to Buffalo Niagara International Airport takes about 2 hours 43 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 1 daily flights from Denver International Airport (DEN) to Buffalo Niagara International Airport (BUF).
  • The earliest flight from Denver International Airport to Buffalo Niagara International Airport departs at 11:05, and the last departs at 17:31, with about 5 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Denver International Airport (DEN) to Buffalo Niagara International Airport (BUF) is quite popular. Without considering departure times or holidays, tickets cost around CAD 460 in November, the most expensive month to book this route.
  • United Airlines is a very popular airline operating an average of 199 flights per month.
  • One-way flights from Denver International Airport to Buffalo Niagara International Airport currently start from CAD 204, and round-trip fares start from CAD 409. The current lowest fare is a Frontier Airlines flight departing on Sat, Nov 7; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Denver International Airport to Buffalo Niagara International Airport, with an average flight time of 2 hours 39 minutes, and around 14 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Denver International Airport to Buffalo Niagara International Airport is CAD 439. Prices may vary depending on the departure date, airline, and availability.
  • Denver International Airport to Buffalo Niagara International Airport operates around 14 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Denver International Airport 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 refund rules, fill in passenger details, and pay to receive your booking confirmation.

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.