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Dulles International Airport to Buffalo flight

Explore the cheapest one-way and round-trip flights from Dulles International Airport to Buffalo over the next 90 days, with one-way fares from £56 and round-trip from £108. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        IAD 8:32 AM
        1h 22m
        Nonstop
        BUF 9:54 AM
        Washington D.C. - Buffalo | Sun, Nov 8 | United Airlines
        BUF 7:52 PM
        1h 26m
        Nonstop
        IAD 9:18 PM
        Buffalo - Washington D.C. | Sun, Nov 15 | United Airlines
        £163 £316
        48% off
        48% off
        £316 £163
      • IAD 8:32 AM
        1h 22m
        Nonstop
        BUF 9:54 AM
        Washington D.C. - Buffalo | Sun, Nov 15 | United Airlines
        BUF 6:00 AM
        1h 28m
        Nonstop
        DCA 7:28 AM
        Buffalo - Washington D.C. | Sun, Nov 22 | United Airlines
        £174 £316
        45% off
        45% off
        £316 £174
      • IAD 11:12 AM
        6h 33m
        1 stop
        BUF 5:45 PM
        Washington D.C. - Buffalo | Sun, Oct 11 | Frontier Airlines
        BUF 1:45 PM
        10h 25m
        1 stop
        IAD 12:10 AM
        Buffalo - Washington D.C. | Tue, Oct 13 | Frontier Airlines
        £108 £316
        66% off
        66% off
        £316 £108
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Tue, Oct 27 | Frontier Airlines
        BUF 1:44 PM
        10h 37m
        1 stop
        IAD 12:21 AM
        Buffalo - Washington D.C. | Tue, Nov 3 | Frontier Airlines
        £115
        64% off
        £316 £115
      • IAD 6:10 AM
        5h 12m
        1 stop
        BUF 11:22 AM
        Washington D.C. - Buffalo | Sat, Oct 3 | Delta Air Lines
        BUF 7:44 PM
        3h 30m
        1 stop
        IAD 11:14 PM
        Buffalo - Washington D.C. | Thu, Oct 8 | Delta Air Lines
        £126
        60% off
        £316 £126
      • IAD 5:15 PM
        6h 38m
        1 stop
        BUF 11:53 PM
        Washington D.C. - Buffalo | Sat, Oct 10 | Delta Air Lines
        BUF 7:44 PM
        3h 18m
        1 stop
        DCA 11:02 PM
        Buffalo - Washington D.C. | Thu, Oct 15 | Delta Air Lines
        £127
        60% off
        £316 £127
      • IAD 5:13 PM
        5h 25m
        1 stop
        BUF 10:38 PM
        Washington D.C. - Buffalo | Fri, Nov 13 | Delta Air Lines
        BUF 6:00 AM
        4h 22m
        1 stop
        IAD 10:22 AM
        Buffalo - Washington D.C. | Fri, Nov 20 | Delta Air Lines
        £127
        60% off
        £316 £127
      • IAD 5:13 PM
        6h 46m
        1 stop
        BUF 11:59 PM
        Washington D.C. - Buffalo | Fri, Nov 6 | Delta Air Lines
        BUF 6:00 AM
        4h 19m
        1 stop
        DCA 10:19 AM
        Buffalo - Washington D.C. | Fri, Nov 13 | Delta Air Lines
        £127
        60% off
        £316 £127
      • IAD 11:12 AM
        6h 37m
        1 stop
        BUF 5:49 PM
        Washington D.C. - Buffalo | Fri, Oct 9 | Frontier Airlines
        BUF 1:40 PM
        10h 30m
        1 stop
        IAD 12:10 AM
        Buffalo - Washington D.C. | Sat, Oct 10 | Frontier Airlines
        £128
        59% off
        £316 £128
      • IAD 6:31 PM
        5h 28m
        1 stop
        BUF 11:59 PM
        Washington D.C. - Buffalo | Tue, Oct 20 | Delta Air Lines
        BUF 7:43 PM
        3h 24m
        1 stop
        DCA 11:07 PM
        Buffalo - Washington D.C. | Fri, Oct 23 | Delta Air Lines
        £130
        59% off
        £316 £130
      • IAD 7:50 AM
        5h 5m
        1 stop
        BUF 12:55 PM
        Washington D.C. - Buffalo | Sat, Oct 10 | Frontier Airlines
        BUF 1:40 PM
        10h 30m
        1 stop
        IAD 12:10 AM
        Buffalo - Washington D.C. | Mon, Oct 12 | Frontier Airlines
        £131
        59% off
        £316 £131
      • IAD 7:50 AM
        5h 5m
        1 stop
        BUF 12:55 PM
        Washington D.C. - Buffalo | Thu, Oct 15 | Frontier Airlines
        BUF 6:51 PM
        15h 26m
        1 stop
        IAD 10:17 AM
        Buffalo - Washington D.C. | Fri, Oct 16 | Frontier Airlines
        £131
        59% off
        £316 £131
      • IAD 7:50 AM
        5h 5m
        1 stop
        BUF 12:55 PM
        Washington D.C. - Buffalo | Sat, Oct 17 | Frontier Airlines
        BUF 1:44 PM
        10h 37m
        1 stop
        IAD 12:21 AM
        Buffalo - Washington D.C. | Sat, Oct 24 | Frontier Airlines
        £164
        48% off
        £316 £164
      • IAD 5:13 PM
        6h 46m
        1 stop
        BUF 11:59 PM
        Washington D.C. - Buffalo | Sat, Oct 17 | Delta Air Lines
        BUF 12:15 PM
        6h 22m
        1 stop
        DCA 6:37 PM
        Buffalo - Washington D.C. | Sat, Oct 24 | Delta Air Lines
        £224
        28% off
        £316 £224
      • WAS 1:00 PM
        17h 25m
        1 stop
        BUF 2:00 PM
        Washington D.C. - Buffalo | Sat, Sep 26 | Normal Airline
        BUF 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Buffalo - Washington D.C. | Mon, Sep 28 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        IAD 10:15 PM
        1h 11m
        Nonstop
        BUF 11:26 PM
        Washington D.C. - Buffalo | Sun, Oct 18 | United Airlines
        £124 £210
        41% off
        41% off
        £210 £124
      • IAD 10:15 PM
        1h 11m
        Nonstop
        BUF 11:26 PM
        Washington D.C. - Buffalo | Fri, Oct 16 | United Airlines
        £149 £210
        28% off
        28% off
        £210 £149
      • IAD 8:05 AM
        5h 10m
        1 stop
        BUF 1:15 PM
        Washington D.C. - Buffalo | Sat, Nov 7 | Frontier Airlines
        £56 £210
        73% off
        73% off
        £210 £56
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Sat, Oct 24 | Frontier Airlines
        £60
        71% off
        £210 £60
      • IAD 9:16 PM
        15h 2m
        1 stop
        BUF 12:18 PM
        Washington D.C. - Buffalo | Thu, Nov 12 | Frontier Airlines
        £69
        67% off
        £210 £69
      • IAD 11:12 AM
        6h 44m
        1 stop
        BUF 5:56 PM
        Washington D.C. - Buffalo | Fri, Oct 30 | Frontier Airlines
        £71
        66% off
        £210 £71
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Tue, Oct 27 | Frontier Airlines
        £72
        66% off
        £210 £72
      • IAD 7:50 AM
        5h 5m
        1 stop
        BUF 12:55 PM
        Washington D.C. - Buffalo | Thu, Oct 15 | Frontier Airlines
        £72
        66% off
        £210 £72
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Tue, Oct 20 | Frontier Airlines
        £75
        64% off
        £210 £75
      • IAD 7:00 AM
        5h 21m
        1 stop
        BUF 12:21 PM
        Washington D.C. - Buffalo | Sat, Sep 26 | Frontier Airlines
        £78
        63% off
        £210 £78
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Thu, Oct 29 | Frontier Airlines
        £81
        61% off
        £210 £81
      • IAD 7:50 AM
        5h 9m
        1 stop
        BUF 12:59 PM
        Washington D.C. - Buffalo | Mon, Oct 26 | Frontier Airlines
        £84
        60% off
        £210 £84
      • IAD 7:50 AM
        5h 5m
        1 stop
        BUF 12:55 PM
        Washington D.C. - Buffalo | Thu, Oct 1 | Frontier Airlines
        £84
        60% off
        £210 £84
      • IAD 7:50 AM
        5h 5m
        1 stop
        BUF 12:55 PM
        Washington D.C. - Buffalo | Tue, Sep 29 | Frontier Airlines
        £85
        60% off
        £210 £85
      • WAS 1:00 PM
        17h 25m
        1 stop
        BUF 2:00 PM
        Washington D.C. - Buffalo | Sat, Sep 26 | Normal Airline
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        Find more flights

Displayed flight fares from Dulles International Airport 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 Dulles International Airport to Buffalo flights?

The most popular airlines flying from Dulles International Airport to Buffalo are American Airlines, United Airlines, and Jetblue Airways, among 3 carriers on this route. Frontier Airlines offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
American Airlines logo American Airlines
United Airlines logo United Airlines
Jetblue Airways logo Jetblue Airways

Flight Schedule from Dulles International Airport to Buffalo

Check the schedule for flights from Dulles International Airport 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

    3:08 PM

    MCO

    2h 37m

    Nonstop

    5:45 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 -
Find more flights and airlines

What to know about flights from Dulles International Airport to Buffalo?

Cheapest round-trip ticket price £119
Cheapest one-way flight price £55
Off-season for travel October
Peak season for travel December

FAQs for Dulles International Airport to Buffalo Flights

  • When is peak season for travel to Buffalo?

    ؜The peak travel time for visiting Buffalo is October. During this time, flights from Dulles International Airport to Buffalo are the most expensive. Cheap tickets can still be booked on Trip.com.
  • Flights from Dulles International Airport (WAS) to Buffalo Niagara International Airport (BUF) take around 1 hour 23 minutes.
  • United Airlines is a very popular airline operating an average of 817 flights per month.
  • The earliest flight departs from Dulles International Airport (WAS) at 08:20 and arrives in Buffalo (BUF) at 09:43.
  • The latest flight departs from Dulles International Airport (WAS) at 17:30 and arrives in Buffalo (BUF) at 18:53.
  • Yes. United Airlines operate direct flights from Dulles International Airport to Buffalo. The average flight time is approximately 55 minutes, with about 2 flights per week. Actual schedules may vary by season.
  • The cheapest one-way flight from Dulles International Airport to Buffalo currently starts from £56, with round-trip fares from £108. The lowest fare is offered by Frontier Airlines departing on Sat, Nov 7; prices are subject to availability.
  • Yes. The average flight time from Dulles International Airport to Buffalo is about 54 minutes. Actual flight time may vary due to routing, weather, and air traffic.
  • Currently, multiple airlines offer flights from Dulles International Airport to Buffalo, including: United Airlines 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 Dulles International Airport to Buffalo is £229, and the average round-trip fare is £336. Prices may vary depending on the departure date, airline, and availability.
  • The earliest flight from Dulles International Airport to Buffalo departs at 08:25, and the latest one departs at 22:17. There are approximately 4 flights per day. Flight times may change, so please check the latest departure and arrival times before your trip.
  • Flights from Dulles International Airport to Buffalo usually arrive at Buffalo Niagara International Airport. Buffalo Niagara International Airport is the most convenient option for this route.

Popular Destinations

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 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 25 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.