£305 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

Thu, 15 Oct - Mon, 26 Oct
Multiple Airlines Logo
19:00 - 23:25SEA  Seattle/Tacoma Intl-BFS Belfast Intl
20h 25m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted
Multiple Airlines Logo
06:00 - 18:00BFS  Belfast Intl-SEA Seattle/Tacoma Intl
19h 00m2 stops London Stansted Reykjavik Keflavik Intl
£627Multiple Airlines
Fri, 16 Oct - Sun, 25 Oct
Multiple Airlines Logo
15:40 - 23:20SEA  Seattle/Tacoma Intl-BFS Belfast Intl
23h 40m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted
Multiple Airlines Logo
14:20 - 18:00BFS  Belfast Intl-SEA Seattle/Tacoma Intl
34h 40m2 stops London Stansted Reykjavik Keflavik Intl
£639Multiple Airlines
Thu, 15 Oct - Mon, 26 Oct
Multiple Airlines Logo
19:00 - 23:25SEA  Seattle/Tacoma Intl-BFS Belfast Intl
20h 25m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
15:05 - 18:00BFS  Belfast Intl-SEA Seattle/Tacoma Intl
33h 55m2 stops London Stansted Reykjavik Keflavik Intl
£647Multiple Airlines
Fri, 16 Oct - Sun, 25 Oct
Multiple Airlines Logo
10:30 - 20:45SEA  Seattle/Tacoma Intl-BFS Belfast Intl
26h 15m2 stops Calgary Edinburgh Turnhouse
Multiple Airlines Logo
14:20 - 18:00BFS  Belfast Intl-SEA Seattle/Tacoma Intl
34h 40m2 stops London Stansted Reykjavik Keflavik Intl
£650Multiple Airlines
Sun, 31 Jan - Tue, 2 Feb
British Airways Logo
17:45 - 16:50PDX  Portland-BHD Belfast City
15h 05m1 stop London Heathrow
British Airways Logo
16:55 - 15:50BHD  Belfast City-PDX Portland
30h 55m1 stop London Heathrow
£673British 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
£673British Airways
Fri, 16 Oct - Sun, 25 Oct
Multiple Airlines Logo
10:30 - 16:30SEA  Seattle/Tacoma Intl-BFS Belfast Intl
22h 00m2 stops Calgary Edinburgh Turnhouse
Multiple Airlines Logo
20:40 - 18:05BFS  Belfast Intl-SEA Seattle/Tacoma Intl
28h 25m1 stop London Stansted
£673Multiple Airlines
Thu, 15 Oct - Mon, 26 Oct
Multiple Airlines Logo
19:35 - 16:30SEA  Seattle/Tacoma Intl-BFS Belfast Intl
36h 55m2 stops Calgary Edinburgh Turnhouse
Multiple Airlines Logo
17:30 - 18:05BFS  Belfast Intl-SEA Seattle/Tacoma Intl
31h 35m1 stop London Stansted
£673Multiple Airlines
Sun, 31 Jan - Tue, 2 Feb
British Airways Logo
17:45 - 16:50PDX  Portland-BHD Belfast City
15h 05m1 stop London Heathrow
British Airways Logo
16:55 - 15:50BHD  Belfast City-PDX Portland
30h 55m1 stop London Heathrow
£673British 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
£673British Airways
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Good to know - Cheap tickets from Washington to Belfast

Cheapest flight

£305
Flight from Portland to Belfast Intl Airport

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