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Dulles International Airport to Buffalo Niagara International Airport flight
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Dulles International Airport to Buffalo Niagara International Airport Flights Info

Cheapest one-way
BHD 659
Frontier Airlines Frontier Airlines 5h 27m · 1 stop Wed, Nov 18
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Cheapest return
BHD 966
Delta Air Lines Delta Air Lines 5h 27m · 2 stops Fri, Jan 1 - Fri, Jan 8
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Recommended airlines
Frontier Airlines Frontier AirlinesCheapest· From BHD 659 American Airlines American AirlinesMost booked

Explore the cheapest one-way and round-trip flights from Dulles International Airport to Buffalo Niagara International Airport over the next 90 days, with one-way fares from BHD 659 and round-trip from BHD 966. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      IAD 17:50
      1h 29m
      Direct
      BUF 19:19
      Washington D.C. - Buffalo | Wed, Dec 9 | United Airlines
      BUF 10:00
      1h 28m
      Direct
      IAD 11:28
      Buffalo - Washington D.C. | Wed, Dec 16 | United Airlines
      BHD 1,559 BHD 1,981
      21% off
      21% off
      BHD 1,981 BHD 1,559
    • IAD 17:49
      1h 33m
      Direct
      BUF 19:22
      Washington D.C. - Buffalo | Wed, Jan 6 | United Airlines
      BUF 09:55
      1h 38m
      Direct
      IAD 11:33
      Buffalo - Washington D.C. | Sat, Jan 9 | United Airlines
      BHD 1,604 BHD 1,981
      19% off
      19% off
      BHD 1,981 BHD 1,604
    • IAD 06:00
      5h 27m
      1 stop
      BUF 11:27
      Washington D.C. - Buffalo | Fri, Jan 1 | Delta Air Lines
      BUF 06:15
      5h 44m
      1 stop
      IAD 11:59
      Buffalo - Washington D.C. | Fri, Jan 8 | Delta Air Lines
      BHD 966 BHD 1,981
      51% off
      51% off
      BHD 1,981 BHD 966
    • IAD 06:00
      5h 24m
      1 stop
      BUF 11:24
      Washington D.C. - Buffalo | Thu, Dec 3 | Delta Air Lines
      BUF 06:10
      4h 32m
      1 stop
      IAD 10:42
      Buffalo - Washington D.C. | Mon, Dec 7 | Delta Air Lines
      BHD 983
      50% off
      BHD 1,981 BHD 983
    • IAD 16:50
      6h 20m
      1 stop
      BUF 23:10
      Washington D.C. - Buffalo | Tue, Dec 22 | Delta Air Lines
      BUF 15:20
      6h 32m
      1 stop
      DCA 21:52
      Buffalo - Washington D.C. | Tue, Dec 29 | Delta Air Lines
      BHD 1,233
      38% off
      BHD 1,981 BHD 1,233
    • IAD 11:30
      3h 49m
      1 stop
      BUF 15:19
      Washington D.C. - Buffalo | Sat, Dec 5 | Delta Air Lines
      BUF 12:06
      5h 19m
      1 stop
      DCA 17:25
      Buffalo - Washington D.C. | Sat, Dec 12 | Delta Air Lines
      BHD 1,234
      38% off
      BHD 1,981 BHD 1,234
    • IAD 06:00
      5h 24m
      1 stop
      BUF 11:24
      Washington D.C. - Buffalo | Fri, Dec 4 | Delta Air Lines
      BUF 12:06
      6h 33m
      1 stop
      DCA 18:39
      Buffalo - Washington D.C. | Tue, Dec 8 | Delta Air Lines
      BHD 1,234
      38% off
      BHD 1,981 BHD 1,234
    • IAD 06:00
      5h 24m
      1 stop
      BUF 11:24
      Washington D.C. - Buffalo | Fri, Dec 11 | Delta Air Lines
      BUF 19:40
      3h 54m
      1 stop
      DCA 23:34
      Buffalo - Washington D.C. | Mon, Dec 14 | Delta Air Lines
      BHD 1,234
      38% off
      BHD 1,981 BHD 1,234
    • IAD 06:00
      5h 24m
      1 stop
      BUF 11:24
      Washington D.C. - Buffalo | Wed, Dec 9 | Delta Air Lines
      BUF 12:06
      4h 32m
      1 stop
      DCA 16:38
      Buffalo - Washington D.C. | Tue, Dec 15 | Delta Air Lines
      BHD 1,382
      30% off
      BHD 1,981 BHD 1,382
    • WAS 13:00
      17h 25m
      1 stop
      BUF 14:00
      Washington D.C. - Buffalo | Sun, Nov 15 | Normal Airline
      BUF 15:00
      6h
      Direct
      WAS 16:00
      Buffalo - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • Cheapest
      IAD 07:48
      5h 27m
      1 stop
      BUF 13:15
      Washington D.C. - Buffalo | Wed, Nov 18 | Frontier Airlines
      BHD 659 BHD 1,897
      65% off
      65% off
      BHD 1,897 BHD 659
    • IAD 22:33
      13h 47m
      1 stop
      BUF 12:20
      Washington D.C. - Buffalo | Thu, Dec 10 | Frontier Airlines
      BHD 672 BHD 1,897
      65% off
      65% off
      BHD 1,897 BHD 672
    • IAD 22:25
      19h
      1 stop
      BUF 17:25
      Washington D.C. - Buffalo | Sat, Dec 19 | Frontier Airlines
      BHD 808 BHD 1,897
      56% off
      56% off
      BHD 1,897 BHD 808
    • IAD 20:33
      17h 2m
      1 stop
      BUF 13:35
      Washington D.C. - Buffalo | Thu, Dec 3 | Frontier Airlines
      BHD 837
      56% off
      BHD 1,897 BHD 837
    • IAD 06:50
      6h 9m
      1 stop
      BUF 12:59
      Washington D.C. - Buffalo | Mon, Nov 30 | Frontier Airlines
      BHD 846
      55% off
      BHD 1,897 BHD 846
    • IAD 13:55
      23h 13m
      1 stop
      BUF 13:08
      Washington D.C. - Buffalo | Tue, Dec 29 | Frontier Airlines
      BHD 849
      55% off
      BHD 1,897 BHD 849
    • IAD 21:35
      22h 49m
      1 stop
      BUF 20:24
      Washington D.C. - Buffalo | Sun, Nov 22 | Frontier Airlines
      BHD 850
      55% off
      BHD 1,897 BHD 850
    • IAD 13:55
      23h 13m
      1 stop
      BUF 13:08
      Washington D.C. - Buffalo | Tue, Dec 22 | Frontier Airlines
      BHD 863
      55% off
      BHD 1,897 BHD 863
    • IAD 21:35
      22h 49m
      1 stop
      BUF 20:24
      Washington D.C. - Buffalo | Tue, Nov 24 | Frontier Airlines
      BHD 878
      54% off
      BHD 1,897 BHD 878
    • WAS 13:00
      17h 25m
      1 stop
      BUF 14:00
      Washington D.C. - Buffalo | Sun, Nov 15 | Normal Airline
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    • Cheapest nonstop
      IAD 12:46
      1h 29m
      Direct
      BUF 14:15
      Washington D.C. - Buffalo | Mon, Dec 21 | United Airlines
      BHD 1,440 BHD 1,897
      24% off
      24% off
      BHD 1,897 BHD 1,440
    • IAD 17:35
      1h 30m
      Direct
      BUF 19:05
      Washington D.C. - Buffalo | Mon, Nov 30 | United Airlines
      BHD 1,536 BHD 1,897
      19% off
      19% off
      BHD 1,897 BHD 1,536
    • IAD 17:50
      1h 29m
      Direct
      BUF 19:19
      Washington D.C. - Buffalo | Tue, Dec 8 | United Airlines
      BHD 1,917 BHD 2,367
      19% off
      19% off
      BHD 2,367 BHD 1,917
    • IAD 08:32
      1h 22m
      Direct
      BUF 09:54
      Washington D.C. - Buffalo | Mon, Nov 30 | United Airlines
      BHD 1,957
      19% off
      BHD 2,417 BHD 1,957
    • WAS 13:00
      17h 25m
      1 stop
      BUF 14:00
      Washington D.C. - Buffalo | Sun, Nov 15 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      IAD 17:50
      1h 29m
      Direct
      BUF 19:19
      Washington D.C. - Buffalo | Tue, Dec 8 | United Airlines
      BHD 1,917 BHD 2,367
      19% off
      19% off
      BHD 2,367 BHD 1,917
    • IAD 11:30
      3h 49m
      1 stop
      BUF 15:19
      Washington D.C. - Buffalo | Wed, Dec 9 | Delta Air Lines
      BHD 1,777 BHD 2,367
      25% off
      25% off
      BHD 2,367 BHD 1,777
    • IAD 06:00
      4h 13m
      1 stop
      BUF 10:13
      Washington D.C. - Buffalo | Sat, Dec 12 | Delta Air Lines
      BHD 1,777 BHD 2,367
      25% off
      25% off
      BHD 2,367 BHD 1,777
    • IAD 11:30
      3h 49m
      1 stop
      BUF 15:19
      Washington D.C. - Buffalo | Thu, Dec 10 | Delta Air Lines
      BHD 1,780
      25% off
      BHD 2,367 BHD 1,780
    • IAD 11:30
      3h 49m
      1 stop
      BUF 15:19
      Washington D.C. - Buffalo | Mon, Dec 7 | Delta Air Lines
      BHD 1,813
      23% off
      BHD 2,367 BHD 1,813
    • IAD 11:30
      3h 49m
      1 stop
      BUF 15:19
      Washington D.C. - Buffalo | Tue, Dec 8 | Delta Air Lines
      BHD 1,843
      22% off
      BHD 2,367 BHD 1,843
    • IAD 11:30
      3h 49m
      1 stop
      BUF 15:19
      Washington D.C. - Buffalo | Thu, Dec 3 | Delta Air Lines
      BHD 1,905
      20% off
      BHD 2,367 BHD 1,905
    • WAS 13:00
      17h 25m
      1 stop
      BUF 14:00
      Washington D.C. - Buffalo | Sun, Nov 15 | Normal Airline
      Find more flights
      Find more flights
    • IAD 08:32
      1h 22m
      Direct
      BUF 09:54
      Washington D.C. - Buffalo | Mon, Nov 30 | United Airlines
      BHD 1,957 BHD 2,417
      19% off
      19% off
      BHD 2,417 BHD 1,957
    • IAD 12:46
      1h 29m
      Direct
      BUF 14:15
      Washington D.C. - Buffalo | Mon, Dec 21 | United Airlines
      BHD 1,440 BHD 1,897
      24% off
      24% off
      BHD 1,897 BHD 1,440
    • IAD 17:50
      1h 29m
      Direct
      BUF 19:19
      Washington D.C. - Buffalo | Tue, Dec 8 | United Airlines
      BHD 1,917 BHD 2,367
      19% off
      19% off
      BHD 2,367 BHD 1,917
    • IAD 17:35
      1h 30m
      Direct
      BUF 19:05
      Washington D.C. - Buffalo | Mon, Nov 30 | United Airlines
      BHD 1,536
      19% off
      BHD 1,897 BHD 1,536
    • IAD 07:48
      5h 27m
      1 stop
      BUF 13:15
      Washington D.C. - Buffalo | Wed, Nov 18 | Frontier Airlines
      BHD 659
      65% off
      BHD 1,897 BHD 659
    • IAD 06:50
      6h 9m
      1 stop
      BUF 12:59
      Washington D.C. - Buffalo | Mon, Nov 30 | Frontier Airlines
      BHD 846
      55% off
      BHD 1,897 BHD 846
    • IAD 06:50
      6h 9m
      1 stop
      BUF 12:59
      Washington D.C. - Buffalo | Fri, Nov 20 | Frontier Airlines
      BHD 955
      50% off
      BHD 1,897 BHD 955
    • IAD 07:32
      6h 17m
      1 stop
      BUF 13:49
      Washington D.C. - Buffalo | Thu, Nov 19 | Frontier Airlines
      BHD 943
      50% off
      BHD 1,897 BHD 943
    • IAD 22:33
      13h 47m
      1 stop
      BUF 12:20
      Washington D.C. - Buffalo | Thu, Dec 10 | Frontier Airlines
      BHD 672
      65% off
      BHD 1,897 BHD 672
    • WAS 13:00
      17h 25m
      1 stop
      BUF 14:00
      Washington D.C. - Buffalo | Sun, Nov 15 | Normal Airline
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Displayed flight fares from Washington D.C. 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 Dulles International Airport to Buffalo Niagara International Airport?

The cheapest airline flying from Dulles International Airport to Buffalo Niagara International Airport is Frontier Airlines (from BHD 659) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.
easyJet logo easyJet Wizz Air UK logo Wizz Air UK British Airways logo British Airways Jet2.com logo Jet2.com Virgin Atlantic logo Virgin Atlantic
American Airlines logo American Airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA4335

    Dulles International Airport

    12:35

    IAD

    1h 11m

    13:46

    BUF

    S - T W T F -
    Search

  2. UA4823

    Dulles International Airport

    17:40

    IAD

    1h 29m

    19:09

    BUF

    S - - W T - S
    Search

  3. F94707

    Dulles International Airport

    07:32

    IAD

    2h 22m

    Direct

    09:54

    ATL

    S M T W - F S
    Search

  4. F91408

    Hartsfield–Jackson Atlanta International Airport

    16:03

    ATL

    2h 9m

    Direct

    18:12

    BUF

    S - T W T - -

  5. AA5447

    Dulles International Airport

    18:01

    IAD

    1h 38m

    Direct

    19:39

    CLT

    S M T W T - S
    Search

  6. AA2429

    Charlotte Douglas International Airport

    20:50

    CLT

    1h 47m

    Direct

    22:37

    BUF

    S M T W T F S

  7. F91081

    Dulles International Airport

    18:07

    IAD

    2h 20m

    Direct

    20:27

    ATL

    - M - - T - -
    Search

  8. F91408

    Hartsfield–Jackson Atlanta International Airport

    16:03

    ATL

    2h 9m

    Direct

    18:12

    BUF

    S - T W T - -

  9. DL1354

    Dulles International Airport

    07:00

    IAD

    2h

    Direct

    09:00

    ATL

    S M T W T F S
    Search

  10. DL2050

    Hartsfield–Jackson Atlanta International Airport

    16:37

    ATL

    2h 1m

    Direct

    18:38

    BUF

    S M T W T - S

  11. F91081

    Dulles International Airport

    18:07

    IAD

    2h 20m

    Direct

    20:27

    ATL

    - M - - T - -
    Search

  12. DL2334

    Hartsfield–Jackson Atlanta International Airport

    21:54

    ATL

    2h 1m

    Direct

    23:55

    BUF

    S M T W T F S

  13. F93691

    Dulles International Airport

    22:57

    IAD

    2h 4m

    Direct

    01:01

    ATL

    - - - - T - -
    Search

  14. DL1384

    Hartsfield–Jackson Atlanta International Airport

    09:06

    ATL

    2h

    Direct

    11:06

    BUF

    S M T W T F S

  15. F93691

    Dulles International Airport

    22:57

    IAD

    2h 4m

    Direct

    01:01

    ATL

    - - - - T - -
    Search

  16. F91408

    Hartsfield–Jackson Atlanta International Airport

    16:03

    ATL

    2h 9m

    Direct

    18:12

    BUF

    S - T W T - -

  17. DL1354

    Dulles International Airport

    07:00

    IAD

    2h

    Direct

    09:00

    ATL

    S M T W T F S
    Search

  18. DL2334

    Hartsfield–Jackson Atlanta International Airport

    21:54

    ATL

    2h 1m

    Direct

    23:55

    BUF

    S M T W T F S
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FAQs for Dulles International Airport to Buffalo Niagara International Airport Flights

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

    Dulles International Airport to Buffalo Niagara International Airport takes about 53 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from Dulles International Airport (IAD) to Buffalo Niagara International Airport (BUF).
  • The earliest flight from Dulles International Airport to Buffalo Niagara International Airport departs at 08:32, and the last departs at 22:19, with about 9 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Dulles International Airport (IAD) to Buffalo Niagara International Airport (BUF) is quite popular. Without considering departure times or holidays, tickets cost around BHD 2,444 in November, the most expensive month to book this route.
  • United Airlines is a very popular airline operating an average of 817 flights per month.
  • One-way flights from Dulles International Airport to Buffalo Niagara International Airport currently start from BHD 659, and round-trip fares start from BHD 966. The current lowest fare is a Frontier Airlines flight departing on Wed, Nov 18; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Dulles International Airport to Buffalo Niagara International Airport, with an average flight time of 49 minutes, and around 24 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 Dulles International Airport to Buffalo Niagara International Airport is BHD 2,136. Prices may vary depending on the departure date, airline, and availability.
  • Dulles International Airport to Buffalo Niagara International Airport operates around 24 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Dulles 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 the estimated lowest prices 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 (including taxes, fuel surcharges, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check 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 according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.