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Dulles International Airport to Buffalo Niagara International Airport flight

Search for flights from Washington D.C. to Buffalo. Find affordable one-way or round-trip flights.

      • Cheapest nonstop
        IAD 22:18
        1h 26m
        Nonstop
        BUF 23:44
        Washington D.C. - Buffalo | Wed, Aug 26 | United Airlines
        BUF 19:59
        1h 20m
        Nonstop
        IAD 21:19
        Buffalo - Washington D.C. | Wed, Sep 2 | United Airlines
        €220 €242
        9% off
        9% off
        €242 €220
      • IAD 22:18
        1h 26m
        Nonstop
        BUF 23:44
        Washington D.C. - Buffalo | Sat, Aug 29 | United Airlines
        BUF 19:59
        1h 18m
        Nonstop
        IAD 21:17
        Buffalo - Washington D.C. | Mon, Aug 31 | United Airlines
        €220 €242
        9% off
        9% off
        €242 €220
      • IAD 06:10
        5h 12m
        1 stop
        BUF 11:22
        Washington D.C. - Buffalo | Thu, Aug 13 | Delta Air Lines
        BUF 06:01
        6h 41m
        1 stop
        DCA 12:42
        Buffalo - Washington D.C. | Wed, Aug 19 | Delta Air Lines
        €165 €242
        32% off
        32% off
        €242 €165
      • IAD 17:15
        5h 21m
        1 stop
        BUF 22:36
        Washington D.C. - Buffalo | Thu, Sep 10 | Delta Air Lines
        BUF 12:02
        4h 28m
        1 stop
        IAD 16:30
        Buffalo - Washington D.C. | Sun, Sep 13 | Delta Air Lines
        €169
        30% off
        €242 €169
      • IAD 19:19
        5h 21m
        1 stop
        BUF 00:40
        Washington D.C. - Buffalo | Sat, Aug 22 | Delta Air Lines
        BUF 06:27
        5h 1m
        1 stop
        DCA 11:28
        Buffalo - Washington D.C. | Thu, Aug 27 | Delta Air Lines
        €169
        30% off
        €242 €169
      • IAD 17:16
        5h 53m
        1 stop
        BUF 23:09
        Washington D.C. - Buffalo | Sun, Aug 23 | Delta Air Lines
        BUF 12:02
        4h 34m
        1 stop
        IAD 16:36
        Buffalo - Washington D.C. | Sun, Aug 30 | Delta Air Lines
        €175
        28% off
        €242 €175
      • IAD 17:25
        6h 33m
        1 stop
        BUF 23:58
        Washington D.C. - Buffalo | Thu, Aug 6 | Delta Air Lines
        BUF 19:48
        3h 38m
        1 stop
        IAD 23:26
        Buffalo - Washington D.C. | Tue, Aug 11 | Delta Air Lines
        €177
        27% off
        €242 €177
      • IAD 17:25
        6h 33m
        1 stop
        BUF 23:58
        Washington D.C. - Buffalo | Thu, Aug 27 | Delta Air Lines
        BUF 06:40
        3h 43m
        1 stop
        IAD 10:23
        Buffalo - Washington D.C. | Thu, Sep 3 | Delta Air Lines
        €185
        24% off
        €242 €185
      • IAD 07:48
        6h 5m
        1 stop
        BUF 13:53
        Washington D.C. - Buffalo | Thu, Aug 13 | Frontier Airlines
        BUF 11:36
        5h 38m
        1 stop
        IAD 17:14
        Buffalo - Washington D.C. | Thu, Aug 20 | Frontier Airlines
        €186
        23% off
        €242 €186
      • IAD 19:59
        4h 41m
        1 stop
        BUF 00:40
        Washington D.C. - Buffalo | Sun, Aug 30 | Delta Air Lines
        BUF 06:40
        3h 43m
        1 stop
        IAD 10:23
        Buffalo - Washington D.C. | Tue, Sep 1 | Delta Air Lines
        €188
        22% off
        €242 €188
      • IAD 07:48
        6h 5m
        1 stop
        BUF 13:53
        Washington D.C. - Buffalo | Thu, Aug 6 | Frontier Airlines
        BUF 11:29
        5h 11m
        1 stop
        IAD 16:40
        Buffalo - Washington D.C. | Wed, Aug 12 | Frontier Airlines
        €191
        21% off
        €242 €191
      • IAD 06:17
        5h 49m
        1 stop
        BUF 12:06
        Washington D.C. - Buffalo | Fri, Aug 21 | American Airlines
        BUF 05:00
        1h 19m
        Nonstop
        DCA 06:19
        Buffalo - Washington D.C. | Tue, Aug 25 | American Airlines
        €200
        17% off
        €242 €200
      • WAS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Washington D.C. - Buffalo | Fri, Jul 17 | Normal Airline
        BUF 15:00
        6h
        Nonstop
        WAS 16:00
        Buffalo - Washington D.C. | Sun, Jul 19 | Normal Airline
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      • Cheapest nonstop
        IAD 22:18
        1h 26m
        Nonstop
        BUF 23:44
        Washington D.C. - Buffalo | Sun, Aug 16 | United Airlines
        €162 €182
        11% off
        11% off
        €182 €162
      • IAD 22:18
        1h 26m
        Nonstop
        BUF 23:44
        Washington D.C. - Buffalo | Mon, Aug 24 | United Airlines
        €165 €182
        9% off
        9% off
        €182 €165
      • IAD 07:49
        6h 4m
        1 stop
        BUF 13:53
        Washington D.C. - Buffalo | Tue, Jul 21 | Frontier Airlines
        €102 €182
        44% off
        44% off
        €182 €102
      • IAD 07:49
        6h 4m
        1 stop
        BUF 13:53
        Washington D.C. - Buffalo | Tue, Aug 4 | Frontier Airlines
        €106
        42% off
        €182 €106
      • IAD 07:48
        6h 5m
        1 stop
        BUF 13:53
        Washington D.C. - Buffalo | Tue, Aug 11 | Frontier Airlines
        €107
        41% off
        €182 €107
      • IAD 07:49
        6h 4m
        1 stop
        BUF 13:53
        Washington D.C. - Buffalo | Thu, Jul 16 | Frontier Airlines
        €107
        41% off
        €182 €107
      • IAD 16:52
        25h 17m
        1 stop
        BUF 18:09
        Washington D.C. - Buffalo | Fri, Aug 28 | Frontier Airlines
        €109
        40% off
        €182 €109
      • IAD 19:18
        25h 49m
        1 stop
        BUF 21:07
        Washington D.C. - Buffalo | Sat, Jul 18 | Frontier Airlines
        €117
        36% off
        €182 €117
      • IAD 07:49
        6h 4m
        1 stop
        BUF 13:53
        Washington D.C. - Buffalo | Tue, Jul 28 | Frontier Airlines
        €120
        34% off
        €182 €120
      • IAD 12:30
        11h 26m
        1 stop
        BUF 23:56
        Washington D.C. - Buffalo | Thu, Sep 3 | Delta Air Lines
        €122
        33% off
        €182 €122
      • IAD 19:18
        25h 49m
        1 stop
        BUF 21:07
        Washington D.C. - Buffalo | Sat, Aug 1 | Frontier Airlines
        €126
        31% off
        €182 €126
      • IAD 17:47
        17h 21m
        1 stop
        BUF 11:08
        Washington D.C. - Buffalo | Sun, Aug 9 | Delta Air Lines
        €131
        28% off
        €182 €131
      • WAS 13:00
        17h 25m
        1 stop
        BUF 14:00
        Washington D.C. - Buffalo | Fri, Jul 17 | Normal Airline
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Selected Airlines from Dulles International Airport to Buffalo Niagara International Airport

View airlines operating flights from Washington D.C. to Buffalo. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.

Frontier Airlines
From €102
Delta Air Lines
From €122
American Airlines
From €151
United Airlines
From €162

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Flight Schedule from Dulles International Airport to Buffalo Niagara International Airport

Check on the flight schedule from Washington D.C. to Buffalo to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA4335

    Dulles International Airport

    12:35

    IAD

    1h 11m

    13:46

    BUF

    - M T W T - S
    Search

  2. UA3516

    Dulles International Airport

    22:26

    IAD

    1h 33m

    23:59

    BUF

    S M T W - F S
    Search

  3. F94707

    Dulles International Airport

    07:49

    IAD

    2h 10m

    Nonstop

    09:59

    ATL

    S M T W T F S
    Search

  4. F91408

    Hartsfield–Jackson Atlanta International Airport

    08:20

    ATL

    2h 9m

    Nonstop

    10:29

    BUF

    S M T W T F S

  5. F94355

    Dulles International Airport

    11:11

    IAD

    2h 30m

    Nonstop

    13:41

    MCO

    S M T W T F S
    Search

  6. F93262

    Orlando International Airport

    16:17

    MCO

    2h 49m

    Nonstop

    19:06

    BUF

    S M T W T F S

  7. DL5835

    Dulles International Airport

    12:29

    IAD

    1h 26m

    Nonstop

    13:55

    JFK

    S M T W T F S
    Search

  8. DL5264

    John F. Kennedy International Airport

    22:10

    JFK

    1h 40m

    Nonstop

    23:50

    BUF

    S M T W T F S

  9. DL1695

    Dulles International Airport

    17:12

    IAD

    1h 52m

    Nonstop

    19:04

    ATL

    S M T W T - S
    Search

  10. DL1384

    Hartsfield–Jackson Atlanta International Airport

    09:10

    ATL

    2h 1m

    Nonstop

    11:11

    BUF

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

Flight distance 456.08 km
Cheapest one-way ticket price €102
Cheapest return ticket price €165

FAQs for Dulles International Airport to Buffalo Niagara International Airport Flights

  • How long is a flight from Dulles International Airport (IAD) to Buffalo Niagara International Airport (BUF)?

    It takes around 1 hour 27 minutes to fly from Dulles International Airport (iad) to Buffalo Niagara International Airport (buf).
  • There are around 4 daily flights from Dulles International Airport (IAD) to Buffalo Niagara International Airport (BUF).
  • Tickets cost around €239 in August, making it the cheapest month to book. Dulles International Airport (IAD) to Buffalo Niagara International Airport (BUF) is a popular route, so don't forget to book your tickets in advance.
  • 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 €324 in July, the most expensive month to book this route.
  • The earliest flight departs from Dulles International Airport at 08:20 and arrives in Buffalo Niagara International Airport at 09:43.
  • The latest flight departs from Dulles International Airport at 17:35 and arrives in Buffalo Niagara International Airport at 19:04.
  • United Airlines is a very popular airline operating an average of 817 flights per month.

Popular Destinations

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

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to 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 based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.