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Dulles International Airport to Buffalo Niagara International Airport flight

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 AU$103 and round-trip from AU$201. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        IAD 10:24 PM
        1h 26m
        Nonstop
        BUF 11:50 PM
        Washington D.C. - Buffalo | Wed, Oct 7 | United Airlines
        BUF 3:05 PM
        1h 20m
        Nonstop
        IAD 4:25 PM
        Buffalo - Washington D.C. | Wed, Oct 14 | United Airlines
        AU$292 AU$390
        25% off
        25% off
        AU$390 AU$292
      • IAD 8:32 AM
        1h 22m
        Nonstop
        BUF 9:54 AM
        Washington D.C. - Buffalo | Thu, Oct 29 | United Airlines
        BUF 7:52 PM
        1h 26m
        Nonstop
        IAD 9:18 PM
        Buffalo - Washington D.C. | Thu, Nov 5 | United Airlines
        AU$304 AU$390
        22% off
        22% off
        AU$390 AU$304
      • IAD 11:12 AM
        6h 33m
        1 stop
        BUF 5:45 PM
        Washington D.C. - Buffalo | Sat, Oct 3 | Frontier Airlines
        BUF 1:45 PM
        10h 25m
        1 stop
        IAD 12:10 AM
        Buffalo - Washington D.C. | Mon, Oct 5 | Frontier Airlines
        AU$201 AU$390
        48% off
        48% off
        AU$390 AU$201
      • IAD 7:50 AM
        5h 5m
        1 stop
        BUF 12:55 PM
        Washington D.C. - Buffalo | Fri, Oct 9 | Frontier Airlines
        BUF 1:44 PM
        10h 37m
        1 stop
        IAD 12:21 AM
        Buffalo - Washington D.C. | Fri, Oct 16 | Frontier Airlines
        AU$204
        48% off
        AU$390 AU$204
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Mon, Oct 19 | Frontier Airlines
        BUF 1:44 PM
        10h 37m
        1 stop
        IAD 12:21 AM
        Buffalo - Washington D.C. | Mon, Oct 26 | Frontier Airlines
        AU$213
        45% off
        AU$390 AU$213
      • IAD 5:13 PM
        6h 46m
        1 stop
        BUF 11:59 PM
        Washington D.C. - Buffalo | Fri, Oct 9 | Delta Air Lines
        BUF 12:15 PM
        6h 22m
        1 stop
        DCA 6:37 PM
        Buffalo - Washington D.C. | Fri, Oct 16 | Delta Air Lines
        AU$223
        43% off
        AU$390 AU$223
      • IAD 6:10 AM
        5h 12m
        1 stop
        BUF 11:22 AM
        Washington D.C. - Buffalo | Fri, Sep 25 | Delta Air Lines
        BUF 7:44 PM
        3h 30m
        1 stop
        IAD 11:14 PM
        Buffalo - Washington D.C. | Wed, Sep 30 | Delta Air Lines
        AU$234
        40% off
        AU$390 AU$234
      • IAD 5:13 PM
        5h 25m
        1 stop
        BUF 10:38 PM
        Washington D.C. - Buffalo | Thu, Nov 5 | Delta Air Lines
        BUF 6:00 AM
        4h 22m
        1 stop
        IAD 10:22 AM
        Buffalo - Washington D.C. | Thu, Nov 12 | Delta Air Lines
        AU$237
        39% off
        AU$390 AU$237
      • IAD 5:13 PM
        6h 46m
        1 stop
        BUF 11:59 PM
        Washington D.C. - Buffalo | Thu, Oct 29 | Delta Air Lines
        BUF 6:00 AM
        4h 19m
        1 stop
        DCA 10:19 AM
        Buffalo - Washington D.C. | Thu, Nov 5 | Delta Air Lines
        AU$237
        39% off
        AU$390 AU$237
      • IAD 11:12 AM
        6h 37m
        1 stop
        BUF 5:49 PM
        Washington D.C. - Buffalo | Thu, Oct 1 | Frontier Airlines
        BUF 1:40 PM
        10h 30m
        1 stop
        IAD 12:10 AM
        Buffalo - Washington D.C. | Fri, Oct 2 | Frontier Airlines
        AU$238
        39% off
        AU$390 AU$238
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Wed, Oct 28 | Frontier Airlines
        BUF 2:00 PM
        9h 43m
        1 stop
        IAD 11:43 PM
        Buffalo - Washington D.C. | Fri, Oct 30 | Frontier Airlines
        AU$240
        38% off
        AU$390 AU$240
      • IAD 6:31 PM
        5h 28m
        1 stop
        BUF 11:59 PM
        Washington D.C. - Buffalo | Mon, Oct 12 | Delta Air Lines
        BUF 7:43 PM
        3h 24m
        1 stop
        DCA 11:07 PM
        Buffalo - Washington D.C. | Thu, Oct 15 | Delta Air Lines
        AU$242
        38% off
        AU$390 AU$242
      • IAD 7:50 AM
        5h 5m
        1 stop
        BUF 12:55 PM
        Washington D.C. - Buffalo | Fri, Oct 2 | Frontier Airlines
        BUF 1:40 PM
        10h 30m
        1 stop
        IAD 12:10 AM
        Buffalo - Washington D.C. | Sun, Oct 4 | Frontier Airlines
        AU$243
        38% off
        AU$390 AU$243
      • IAD 7:50 AM
        5h 5m
        1 stop
        BUF 12:55 PM
        Washington D.C. - Buffalo | Wed, Oct 7 | Frontier Airlines
        BUF 6:51 PM
        15h 26m
        1 stop
        IAD 10:17 AM
        Buffalo - Washington D.C. | Thu, Oct 8 | Frontier Airlines
        AU$244
        37% off
        AU$390 AU$244
      • WAS 1:00 PM
        17h 25m
        1 stop
        BUF 2:00 PM
        Washington D.C. - Buffalo | Wed, Sep 23 | Normal Airline
        BUF 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Buffalo - Washington D.C. | Fri, Sep 25 | Normal Airline
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      • Cheapest nonstop
        IAD 10:15 PM
        1h 11m
        Nonstop
        BUF 11:26 PM
        Washington D.C. - Buffalo | Sat, Oct 10 | United Airlines
        AU$229 AU$356
        36% off
        36% off
        AU$356 AU$229
      • IAD 10:15 PM
        1h 11m
        Nonstop
        BUF 11:26 PM
        Washington D.C. - Buffalo | Thu, Oct 8 | United Airlines
        AU$277 AU$356
        22% off
        22% off
        AU$356 AU$277
      • IAD 8:05 AM
        5h 10m
        1 stop
        BUF 1:15 PM
        Washington D.C. - Buffalo | Fri, Oct 30 | Frontier Airlines
        AU$103 AU$356
        71% off
        71% off
        AU$356 AU$103
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Fri, Oct 16 | Frontier Airlines
        AU$112
        69% off
        AU$356 AU$112
      • IAD 9:16 PM
        15h 2m
        1 stop
        BUF 12:18 PM
        Washington D.C. - Buffalo | Wed, Nov 4 | Frontier Airlines
        AU$127
        64% off
        AU$356 AU$127
      • IAD 11:12 AM
        6h 37m
        1 stop
        BUF 5:49 PM
        Washington D.C. - Buffalo | Thu, Sep 24 | Frontier Airlines
        AU$130
        63% off
        AU$356 AU$130
      • IAD 11:12 AM
        6h 44m
        1 stop
        BUF 5:56 PM
        Washington D.C. - Buffalo | Thu, Oct 22 | Frontier Airlines
        AU$131
        63% off
        AU$356 AU$131
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Mon, Oct 19 | Frontier Airlines
        AU$134
        62% off
        AU$356 AU$134
      • IAD 7:50 AM
        5h 5m
        1 stop
        BUF 12:55 PM
        Washington D.C. - Buffalo | Wed, Oct 7 | Frontier Airlines
        AU$134
        62% off
        AU$356 AU$134
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Mon, Oct 12 | Frontier Airlines
        AU$139
        61% off
        AU$356 AU$139
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Wed, Oct 21 | Frontier Airlines
        AU$151
        57% off
        AU$356 AU$151
      • IAD 9:06 PM
        15h 57m
        1 stop
        BUF 1:03 PM
        Washington D.C. - Buffalo | Tue, Nov 17 | Frontier Airlines
        AU$152
        56% off
        AU$356 AU$152
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Sun, Oct 18 | Frontier Airlines
        AU$156
        56% off
        AU$356 AU$156
      • IAD 7:50 AM
        5h 5m
        1 stop
        BUF 12:55 PM
        Washington D.C. - Buffalo | Wed, Sep 23 | Frontier Airlines
        AU$156
        56% off
        AU$356 AU$156
      • WAS 1:00 PM
        17h 25m
        1 stop
        BUF 2:00 PM
        Washington D.C. - Buffalo | Wed, Sep 23 | Normal Airline
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Displayed flight fares from Dulles International Airport to Buffalo Niagara International Airport 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 AU$103) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From AU$103
Delta Air Lines
From AU$229
United Airlines
From AU$229
American Airlines
From AU$291
Southern Airways Express
From AU$314

Find more flights and 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. F94707

    Dulles International Airport

    7:50 AM

    IAD

    2h 3m

    Nonstop

    9:53 AM

    ATL

    S M T W T F S
    Search

  2. F91408

    Hartsfield–Jackson Atlanta International Airport

    10:48 AM

    ATL

    2h 7m

    Nonstop

    12:55 PM

    BUF

    S - T - T F -

  3. F94355

    Dulles International Airport

    11:12 AM

    IAD

    2h 22m

    Nonstop

    1:34 PM

    MCO

    S M T W T F S
    Search

  4. F91692

    Orlando Intl. Airport

    3:12 PM

    MCO

    2h 37m

    Nonstop

    5:49 PM

    BUF

    - M - W - - S

  5. F94409

    Dulles International Airport

    8:39 PM

    IAD

    2h 11m

    Nonstop

    10:50 PM

    ATL

    S M T W T F S
    Search

  6. F91408

    Hartsfield–Jackson Atlanta International Airport

    10:48 AM

    ATL

    2h 7m

    Nonstop

    12:55 PM

    BUF

    S - T - T F -

  7. DL1324

    Dulles International Airport

    10:15 AM

    IAD

    1h 48m

    Nonstop

    12:03 PM

    ATL

    S M T W T F S
    Search

  8. F91408

    Hartsfield–Jackson Atlanta International Airport

    10:48 AM

    ATL

    2h 7m

    Nonstop

    12:55 PM

    BUF

    S - T - T F -
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About Dulles International Airport and Buffalo Niagara International Airport

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

Flight distance456.08 km
Cheapest one-way ticket priceAU$103
Cheapest return ticket priceAU$201

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 54 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 08:25, and the last departs at 22:17, 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 Dulles International Airport (IAD) to Buffalo Niagara International Airport (BUF) is quite popular. Without considering departure times or holidays, tickets cost around AU$404 in October, the most expensive month to book this route.
  • The earliest flight departs from Dulles International Airport (IAD) at 08:20 and arrives in Buffalo Niagara International Airport (BUF) at 09:43.
  • The latest flight departs from Dulles International Airport (IAD) at 17:30 and arrives in Buffalo Niagara International Airport (BUF) at 18:53.
  • 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 AU$103, and round-trip fares start from AU$201. The current lowest fare is a Frontier Airlines flight departing on Fri, Oct 30; 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 26 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 AU$368. Prices may vary depending on the departure date, airline, and availability.
  • Dulles International Airport to Buffalo Niagara International Airport operates around 18 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.

Popular Destinations

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

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Prices displayed in 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, WLAN, 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 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.