£218 Find Cheap Flights from Washington to Belfast – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Belfast departing on 23/8. 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
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Useful Info
Flight Deals

Cheap Flights from Washington to Belfast

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Washington to Belfast that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Washington to Belfast

Sun, 15 Nov - Wed, 18 Nov
British Airways Logo
18:45 - 16:50SEA  Seattle/Tacoma Intl-BHD Belfast City
14h 05m1 stop London Heathrow
British Airways Logo
09:15 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
15h 35m1 stop London Heathrow
£674British Airways
Sun, 15 Nov - Wed, 18 Nov
British Airways Logo
17:45 - 18:40PDX  Portland-BHD Belfast City
16h 55m1 stop London Heathrow
British Airways Logo
09:15 - 15:50BHD  Belfast City-PDX Portland
14h 35m1 stop London Heathrow
£674British Airways
Sun, 15 Nov - Wed, 18 Nov
British Airways Logo
18:45 - 16:50SEA  Seattle/Tacoma Intl-BHD Belfast City
14h 05m1 stop London Heathrow
British Airways Logo
09:15 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
15h 35m1 stop London Heathrow
£675British Airways
Sun, 15 Nov - Wed, 18 Nov
British Airways Logo
17:45 - 18:40PDX  Portland-BHD Belfast City
16h 55m1 stop London Heathrow
British Airways Logo
09:15 - 15:50BHD  Belfast City-PDX Portland
14h 35m1 stop London Heathrow
£675British Airways
Sun, 15 Nov - Wed, 18 Nov
British Airways Logo
18:45 - 16:50SEA  Seattle/Tacoma Intl-BHD Belfast City
14h 05m1 stop London Heathrow
British Airways Logo
09:15 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
15h 35m1 stop London Heathrow
£675British Airways
Sun, 15 Nov - Wed, 18 Nov
British Airways Logo
17:45 - 18:40PDX  Portland-BHD Belfast City
16h 55m1 stop London Heathrow
British Airways Logo
06:35 - 15:50BHD  Belfast City-PDX Portland
17h 15m1 stop London Heathrow
£675British Airways
Sun, 24 Jan - Thu, 28 Jan
British Airways Logo
18:45 - 18:40SEA  Seattle/Tacoma Intl-BHD Belfast City
15h 55m1 stop London Heathrow
British Airways Logo
15:25 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
33h 25m1 stop London Heathrow
£680British Airways
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
£681British 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
£702British 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
£703British Airways
Useful Info

Good to know - Cheap tickets from Washington to Belfast

Cheapest flight

£218
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

Cabin classes available on flights to Belfast. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Belfast
Business Class flights to Belfast
Premium Economy Class flights to Belfast
Economy class flights to Belfast