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Find cheap flights from Belfast to Washington from £536

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Belfast to Washington departing on 14/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 18/4
Thu 25/4

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Best Washington Flight Deals

Cheapest return prices found by our users on KAYAK in the last 72 hours

Seattle
Seattle2 stops£577

Good to know - Cheap tickets from Belfast to Washington

Cheapest flight

£536
Flight from Belfast Intl Airport to Seattle

FAQs - booking Washington flights

  • How does KAYAK find such low prices on flights from Belfast to Washington?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Belfast to Washington.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Belfast to Washington?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington from Belfast is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Belfast to Washington?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Washington with an airline and back to Belfast with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Belfast to Washington?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington from Belfast up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Belfast to Washington

Cheapest flights to Washington from Belfast found in 2024

Recent return flight deals

24/4Wed
2 stopsAmerican Airlines
22h 36mBHD-SEA
28/4Sun
2 stopsAmerican Airlines
26h 01mSEA-BHD
£577
18/4Thu
1 stopAmerican Airlines
27h 15mBHD-SEA
22/4Mon
2 stopsAmerican Airlines
30h 01mSEA-BHD
£603
18/4Thu
2 stopsAmerican Airlines
37h 06mBHD-SEA
22/4Mon
2 stopsAmerican Airlines
32h 26mSEA-BHD
£607
18/4Thu
1 stopDelta
31h 20mBHD-SEA
22/4Mon
1 stopDelta
19h 20mSEA-BHD
£632
18/4Thu
1 stopAmerican Airlines
12h 55mBHD-SEA
22/4Mon
1 stopAmerican Airlines
15h 00mSEA-BHD
£639
24/4Wed
2 stopsAmerican Airlines
19h 36mBHD-SEA
28/4Sun
1 stopAmerican Airlines
13h 55mSEA-BHD
£659
24/4Wed
2 stopsAmerican Airlines
19h 36mBHD-SEA
28/4Sun
1 stopAmerican Airlines
13h 55mSEA-BHD
£660
24/4Wed
1 stopDelta
24h 55mBHD-SEA
28/4Sun
1 stopDelta
19h 20mSEA-BHD
£714
24/4Wed
1 stopDelta
24h 55mBHD-SEA
28/4Sun
1 stopDelta
19h 20mSEA-BHD
£731
15/6Sat
1 stop
25h 00mBHD-SEA
17/8Sat
1 stop
19h 20mSEA-BHD
£926

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Recent one-way flight deals

14/7Sun
3 stops
30h 11mBFS-SEA
£536
14/7Sun
3 stops
32h 41mBHD-SEA
£540
12/7Fri
3 stops
23h 56mBFS-SEA
£551
14/7Sun
2 stops
21h 10mBFS-SEA
£602
12/7Fri
3 stops
38h 11mBHD-SEA
£630
13/7Sat
2 stops
21h 55mBFS-SEA
£643
14/7Sun
2 stops
36h 45mBHD-SEA
£690
13/7Sat
2 stops
27h 05mBHD-SEA
£720
12/7Fri
2 stops
21h 50mBHD-SEA
£724
12/7Fri
2 stops
16h 31mBFS-SEA
£847

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Flights from Belfast to Washington

Return flight deals:

Washington - Belfast

Cabin classes: