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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 €63 and round-trip from €108. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        IAD 22:24
        1h 26m
        Direct
        BUF 23:50
        Washington D.C. - Buffalo | Wed, Oct 7 | United Airlines
        BUF 15:05
        1h 20m
        Direct
        IAD 16:25
        Buffalo - Washington D.C. | Wed, Oct 14 | United Airlines
        €183 €268
        32% off
        32% off
        €268 €183
      • IAD 08:32
        1h 22m
        Direct
        BUF 09:54
        Washington D.C. - Buffalo | Thu, Oct 29 | United Airlines
        BUF 19:52
        1h 26m
        Direct
        IAD 21:18
        Buffalo - Washington D.C. | Thu, Nov 5 | United Airlines
        €190 €268
        28% off
        28% off
        €268 €190
      • IAD 08:05
        5h 10m
        1 stop
        BUF 13:15
        Washington D.C. - Buffalo | Wed, Nov 4 | Frontier Airlines
        BUF 14:00
        9h 43m
        1 stop
        IAD 23:43
        Buffalo - Washington D.C. | Wed, Nov 11 | Frontier Airlines
        €108 €268
        60% off
        60% off
        €268 €108
      • IAD 11:12
        6h 33m
        1 stop
        BUF 17:45
        Washington D.C. - Buffalo | Thu, Oct 1 | Frontier Airlines
        BUF 13:45
        10h 25m
        1 stop
        IAD 00:10
        Buffalo - Washington D.C. | Sat, Oct 3 | Frontier Airlines
        €126
        53% off
        €268 €126
      • IAD 07:50
        5h 5m
        1 stop
        BUF 12:55
        Washington D.C. - Buffalo | Wed, Oct 7 | Frontier Airlines
        BUF 13:44
        10h 37m
        1 stop
        IAD 00:21
        Buffalo - Washington D.C. | Wed, Oct 14 | Frontier Airlines
        €128
        52% off
        €268 €128
      • IAD 07:50
        5h 9m
        1 stop
        BUF 12:59
        Washington D.C. - Buffalo | Sat, Oct 17 | Frontier Airlines
        BUF 13:44
        10h 37m
        1 stop
        IAD 00:21
        Buffalo - Washington D.C. | Sat, Oct 24 | Frontier Airlines
        €134
        50% off
        €268 €134
      • IAD 17:13
        6h 46m
        1 stop
        BUF 23:59
        Washington D.C. - Buffalo | Wed, Oct 7 | Delta Air Lines
        BUF 12:15
        6h 22m
        1 stop
        DCA 18:37
        Buffalo - Washington D.C. | Wed, Oct 14 | Delta Air Lines
        €140
        48% off
        €268 €140
      • IAD 17:13
        5h 25m
        1 stop
        BUF 22:38
        Washington D.C. - Buffalo | Tue, Nov 3 | Delta Air Lines
        BUF 06:00
        4h 22m
        1 stop
        IAD 10:22
        Buffalo - Washington D.C. | Tue, Nov 10 | Delta Air Lines
        €148
        45% off
        €268 €148
      • IAD 17:13
        6h 46m
        1 stop
        BUF 23:59
        Washington D.C. - Buffalo | Tue, Oct 27 | Delta Air Lines
        BUF 06:00
        4h 19m
        1 stop
        DCA 10:19
        Buffalo - Washington D.C. | Tue, Nov 3 | Delta Air Lines
        €148
        45% off
        €268 €148
      • IAD 11:12
        6h 37m
        1 stop
        BUF 17:49
        Washington D.C. - Buffalo | Tue, Sep 29 | Frontier Airlines
        BUF 13:40
        10h 30m
        1 stop
        IAD 00:10
        Buffalo - Washington D.C. | Wed, Sep 30 | Frontier Airlines
        €149
        44% off
        €268 €149
      • IAD 07:50
        5h 9m
        1 stop
        BUF 12:59
        Washington D.C. - Buffalo | Mon, Oct 26 | Frontier Airlines
        BUF 14:00
        9h 43m
        1 stop
        IAD 23:43
        Buffalo - Washington D.C. | Wed, Oct 28 | Frontier Airlines
        €150
        44% off
        €268 €150
      • IAD 18:31
        5h 28m
        1 stop
        BUF 23:59
        Washington D.C. - Buffalo | Sat, Oct 10 | Delta Air Lines
        BUF 19:43
        3h 24m
        1 stop
        DCA 23:07
        Buffalo - Washington D.C. | Tue, Oct 13 | Delta Air Lines
        €152
        43% off
        €268 €152
      • IAD 07:50
        5h 5m
        1 stop
        BUF 12:55
        Washington D.C. - Buffalo | Wed, Sep 30 | Frontier Airlines
        BUF 13:40
        10h 30m
        1 stop
        IAD 00:10
        Buffalo - Washington D.C. | Fri, Oct 2 | Frontier Airlines
        €152
        43% off
        €268 €152
      • IAD 07:50
        5h 5m
        1 stop
        BUF 12:55
        Washington D.C. - Buffalo | Mon, Oct 5 | Frontier Airlines
        BUF 18:51
        15h 26m
        1 stop
        IAD 10:17
        Buffalo - Washington D.C. | Tue, Oct 6 | Frontier Airlines
        €153
        43% off
        €268 €153
      • WAS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Washington D.C. - Buffalo | Sat, Sep 26 | Normal Airline
        BUF 15:00
        6h
        Direct
        WAS 16:00
        Buffalo - Washington D.C. | Mon, Sep 28 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        IAD 22:15
        1h 11m
        Direct
        BUF 23:26
        Washington D.C. - Buffalo | Thu, Oct 8 | United Airlines
        €144 €244
        41% off
        41% off
        €244 €144
      • IAD 22:15
        1h 11m
        Direct
        BUF 23:26
        Washington D.C. - Buffalo | Tue, Oct 6 | United Airlines
        €173 €244
        28% off
        28% off
        €244 €173
      • IAD 07:50
        5h 9m
        1 stop
        BUF 12:59
        Washington D.C. - Buffalo | Sat, Oct 24 | Frontier Airlines
        €63 €244
        74% off
        74% off
        €244 €63
      • IAD 08:05
        5h 10m
        1 stop
        BUF 13:15
        Washington D.C. - Buffalo | Wed, Oct 28 | Frontier Airlines
        €65
        73% off
        €244 €65
      • IAD 07:50
        5h 9m
        1 stop
        BUF 12:59
        Washington D.C. - Buffalo | Wed, Oct 14 | Frontier Airlines
        €70
        71% off
        €244 €70
      • IAD 21:16
        15h 2m
        1 stop
        BUF 12:18
        Washington D.C. - Buffalo | Mon, Nov 2 | Frontier Airlines
        €80
        67% off
        €244 €80
      • IAD 11:12
        6h 44m
        1 stop
        BUF 17:56
        Washington D.C. - Buffalo | Tue, Oct 20 | Frontier Airlines
        €82
        66% off
        €244 €82
      • IAD 07:50
        5h 5m
        1 stop
        BUF 12:55
        Washington D.C. - Buffalo | Mon, Oct 5 | Frontier Airlines
        €84
        66% off
        €244 €84
      • IAD 07:50
        5h 9m
        1 stop
        BUF 12:59
        Washington D.C. - Buffalo | Sat, Oct 10 | Frontier Airlines
        €87
        64% off
        €244 €87
      • IAD 07:40
        5h 23m
        1 stop
        BUF 13:03
        Washington D.C. - Buffalo | Fri, Oct 30 | Frontier Airlines
        €89
        64% off
        €244 €89
      • IAD 07:50
        5h 9m
        1 stop
        BUF 12:59
        Washington D.C. - Buffalo | Mon, Oct 19 | Frontier Airlines
        €95
        61% off
        €244 €95
      • IAD 21:06
        15h 57m
        1 stop
        BUF 13:03
        Washington D.C. - Buffalo | Sun, Nov 15 | Frontier Airlines
        €95
        61% off
        €244 €95
      • IAD 07:50
        5h 9m
        1 stop
        BUF 12:59
        Washington D.C. - Buffalo | Fri, Oct 16 | Frontier Airlines
        €98
        60% off
        €244 €98
      • IAD 07:50
        5h 5m
        1 stop
        BUF 12:55
        Washington D.C. - Buffalo | Wed, Sep 30 | Frontier Airlines
        €108
        56% off
        €244 €108
      • WAS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Washington D.C. - Buffalo | Sat, Sep 26 | Normal Airline
        Find more flights
        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 data.

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

See which airlines fly from Dulles International Airport to Buffalo. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.
United Airlines logo United Airlines
American Airlines logo American Airlines

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

    07:50

    IAD

    2h 3m

    Direct

    09:53

    ATL

    S M T W T F S
    Search

  2. F91408

    Hartsfield–Jackson Atlanta International Airport

    10:48

    ATL

    2h 7m

    Direct

    12:55

    BUF

    S - T - T F -

  3. F94355

    Dulles International Airport

    11:12

    IAD

    2h 22m

    Direct

    13:34

    MCO

    S M T W T F S
    Search

  4. F91692

    Orlando International Airport

    15:08

    MCO

    2h 37m

    Direct

    17:45

    BUF

    - M - W - - S

  5. F94409

    Dulles International Airport

    20:39

    IAD

    2h 11m

    Direct

    22:50

    ATL

    S M T W T F S
    Search

  6. F91408

    Hartsfield–Jackson Atlanta International Airport

    10:48

    ATL

    2h 7m

    Direct

    12:55

    BUF

    S - T - T F -

  7. DL1324

    Dulles International Airport

    10:15

    IAD

    1h 48m

    Direct

    12:03

    ATL

    S M T W T F S
    Search

  8. F91408

    Hartsfield–Jackson Atlanta International Airport

    10:48

    ATL

    2h 7m

    Direct

    12:55

    BUF

    S - T - T F -
Find more flights and airlines

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

Cheapest return ticket price €139
Cheapest one-way flight price €63
Off-season travel month 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 Dulles International Airport(BUF) take around 1 hour 23 minutes.
  • There are 1 airport(s) in Buffalo (BUF): Buffalo Niagara International Airport.
  • United Airlines is a very popular airline operating an average of 817 flights per month.
  • 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 €63, with round-trip fares from €108. The lowest fare is offered by Frontier Airlines departing on Sat, Oct 24; 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 €266, and the average round-trip fare is €390. 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.

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.

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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.