£241 Find Cheap Flights from Washington to Belfast – Compare and Save

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Cheap Flights from Washington to Belfast

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

Recent return flight deals from Washington to Belfast

Wed, 7 Oct - Wed, 14 Oct
Multiple Airlines Logo
15:40 - 23:15SEA  Seattle/Tacoma Intl-BFS Belfast Intl
23h 35m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse
Multiple Airlines Logo
20:15 - 20:40BFS  Belfast Intl-SEA Seattle/Tacoma Intl
32h 25m3 stops London Stansted Stockholm Arlanda Reykjavik Keflavik Intl
£657Multiple Airlines
Mon, 1 Feb - Fri, 5 Feb
British Airways Logo
17:45 - 14:15PDX  Portland-BHD Belfast City
12h 30m1 stop London Heathrow
British Airways Logo
06:45 - 15:50BHD  Belfast City-PDX Portland
17h 05m1 stop London Heathrow
£678British Airways
Sun, 17 Jan - Thu, 21 Jan
British Airways Logo
18:45 - 16:50SEA  Seattle/Tacoma Intl-BHD Belfast City
14h 05m1 stop London Heathrow
British Airways Logo
11:05 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 45m1 stop London Heathrow
£678British Airways
Sat, 10 Oct - Sat, 17 Oct
Multiple Airlines Logo
15:55 - 22:40SEA  Seattle/Tacoma Intl-BFS Belfast Intl
22h 45m3 stops Kastrup Copenhagen Stockholm Arlanda London Stansted
Multiple Airlines Logo
06:20 - 20:40BFS  Belfast Intl-SEA Seattle/Tacoma Intl
22h 20m2 stops London Gatwick Reykjavik Keflavik Intl
£696Multiple Airlines
Wed, 7 Oct - Wed, 14 Oct
Multiple Airlines Logo
15:40 - 23:15SEA  Seattle/Tacoma Intl-BFS Belfast Intl
23h 35m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse
Multiple Airlines Logo
21:05 - 16:00BFS  Belfast Intl-SEA Seattle/Tacoma Intl
26h 55m3 stops Palma de Mallorca Son Sant Joan Milan Malpensa Frankfurt am Main
£703Multiple Airlines
Mon, 5 Oct - Thu, 22 Oct
British Airways Logo
20:20 - 19:25SEA  Seattle/Tacoma Intl-BHD Belfast City
15h 05m1 stop London Heathrow
British Airways Logo
12:45 - 18:25BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 40m1 stop London Heathrow
£705British Airways
Mon, 5 Oct - Thu, 22 Oct
British Airways Logo
20:20 - 19:25SEA  Seattle/Tacoma Intl-BHD Belfast City
15h 05m1 stop London Heathrow
British Airways Logo
12:45 - 18:25BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 40m1 stop London Heathrow
£706British Airways
Wed, 7 Oct - Wed, 14 Oct
Multiple Airlines Logo
15:40 - 23:15SEA  Seattle/Tacoma Intl-BFS Belfast Intl
23h 35m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse
Multiple Airlines Logo
07:35 - 17:55BFS  Belfast Intl-SEA Seattle/Tacoma Intl
18h 20m2 stops Glasgow Intl Reykjavik Keflavik Intl
£715Multiple Airlines
Tue, 27 Oct - Sat, 31 Oct
Multiple Airlines Logo
15:45 - 20:55PDX  Portland-BFS Belfast Intl
22h 10m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
23:00 - 18:00BFS  Belfast Intl-PDX Portland
26h 00m2 stops Manchester Reykjavik Keflavik Intl
£716Multiple Airlines
Mon, 5 Oct - Thu, 22 Oct
American Airlines Logo
15:14 - 15:30SEA  Seattle/Tacoma Intl-BHD Belfast City
16h 16m2 stops Chicago O'Hare Intl London Heathrow
American Airlines Logo
14:20 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
29h 15m1 stop London Heathrow
£717American Airlines
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Good to know - Cheap tickets from Washington to Belfast

Cheapest flight

£241
Flight from Seattle to Belfast

FAQs for booking flights from Washington to Belfast

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

    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 Washington to Belfast.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Washington 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 Washington to Belfast?

    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 Belfast with an airline and back to Washington with another airline.

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

    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 Belfast from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Belfast

Cabin class types available on flights to Washington

First Class flights to Belfast
Business Class flights to Belfast
Premium Economy Class flights to Belfast
Economy class flights to Belfast