BFS - IAD

£650 Find Cheap Flights from Belfast Intl Airport to Washington, D.C. – Compare and Save

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1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Belfast Intl to Dulles Intl (BFS-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Belfast Intl to Dulles Intl

Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
09:25 - 18:30BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
14h 05m2 stops Manchester Reykjavik Keflavik Intl
Multiple Airlines Logo
19:40 - 19:10IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
18h 30m2 stops Reykjavik Keflavik Intl Manchester
£650Multiple Airlines
Wed, 9 Dec - Wed, 16 Dec
Multiple Airlines Logo
06:55 - 18:30BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
16h 35m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
Multiple Airlines Logo
19:40 - 19:05IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
18h 25m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
£663Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
20:05 - 20:30BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
29h 25m2 stops London Gatwick Lisbon Humberto Delgado
Multiple Airlines Logo
17:25 - 20:10IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 45m3 stops Lisbon Humberto Delgado Madrid Barajas London Stansted
£666Multiple Airlines
Sat, 21 Nov - Wed, 25 Nov
Multiple Airlines Logo
15:25 - 19:05BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
32h 40m3 stops London Stansted Barcelona-El Prat Casablanca Mohamed V
Multiple Airlines Logo
19:40 - 19:45IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
19h 05m2 stops Reykjavik Keflavik Intl Manchester
£712Multiple Airlines
Wed, 9 Dec - Wed, 16 Dec
Multiple Airlines Logo
18:00 - 15:15BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
26h 15m2 stops Malaga Lisbon Humberto Delgado
Multiple Airlines Logo
17:15 - 17:25IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
19h 10m3 stops Dublin Madrid Barajas Birmingham
£735Multiple Airlines
Sat, 21 Nov - Wed, 25 Nov
Multiple Airlines Logo
19:05 - 20:40BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
30h 35m2 stops London Stansted Orlando
Multiple Airlines Logo
18:55 - 20:45IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
20h 50m1 stop London Heathrow
£770Multiple Airlines
Fri, 20 Nov - Fri, 27 Nov
Multiple Airlines Logo
08:25 - 18:30BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
15h 05m2 stops Manchester Reykjavik Keflavik Intl
Multiple Airlines Logo
19:40 - 22:35IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 55m2 stops Reykjavik Keflavik Intl Manchester
£794Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
07:35 - 19:05BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
40h 30m2 stops Alicante Casablanca Mohamed V
Multiple Airlines Logo
18:40 - 11:30IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
11h 50m1 stop Paris Charles de Gaulle
£844Multiple Airlines
Sat, 21 Nov - Wed, 25 Nov
Multiple Airlines Logo
09:00 - 19:20BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
15h 20m2 stops Edinburgh Turnhouse Paris Charles de Gaulle
Multiple Airlines Logo
18:40 - 17:15IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
17h 35m2 stops Paris Charles de Gaulle Edinburgh Turnhouse
£903Multiple Airlines
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Key details for Belfast Intl Airport to Washington, D.C. Dulles Intl Airport flights

Cheapest flight

£650
Round-trip flight from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport

When to book flights from Belfast Intl to Dulles Intl

Are your dates flexible? Find out the best times to travel from Belfast Intl to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Belfast Intl Airport to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Do I need a passport to fly from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, return prices on this route varied from about £650 to £903. That means the highest observed fare was about 38% higher than the lowest one.

  • Which car hire options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car hire companies, with daily rates starting from around £18 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport?

    Flights from Belfast Intl Airport to Washington, D.C. Dulles Intl Airport usually depart from Belfast Intl (BFS) and arrive at Washington, D.C. Dulles Intl (IAD).

  • What is the time difference between Belfast Intl Airport and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 4 hours behind Belfast Intl Airport (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Charles Sumner School Museum and Archives, Capital One Arena, and Grand Hyatt Washington. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

More options for your flight from Belfast Intl to Dulles Intl

Complete your trip to Dulles Intl with a hotel stay or car hire

Car hire in Washington, D.C.
Hotels in Washington, D.C.
Holidays in Washington, D.C.