£271 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 21/9. 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

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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

Wed, 11 Nov - Mon, 16 Nov
British Airways Logo
18:45 - 16:35
SEA
-
BHD
13h 50m
1 stop
British Airways Logo
19:25 - 11:25
BHD
-
SEA
24h 00m
1 stop
£660British Airways
Sat, 29 Aug - Sat, 5 Sep
Multiple Airlines Logo
15:40 - 20:20
SEA
-
BFS
20h 40m
3 stops
Multiple Airlines Logo
21:40 - 18:45
BFS
-
SEA
29h 05m
3 stops
£664Multiple Airlines
Sat, 29 Aug - Sat, 5 Sep
Multiple Airlines Logo
15:40 - 22:15
SEA
-
BFS
22h 35m
2 stops
Multiple Airlines Logo
21:40 - 18:45
BFS
-
SEA
29h 05m
3 stops
£666Multiple Airlines
Sat, 29 Aug - Sat, 5 Sep
Multiple Airlines Logo
19:00 - 22:15
SEA
-
BFS
19h 15m
2 stops
Multiple Airlines Logo
06:20 - 20:40
BFS
-
SEA
22h 20m
2 stops
£674Multiple Airlines
Wed, 11 Nov - Mon, 16 Nov
British Airways Logo
08:11 - 10:15
SEA
-
BHD
18h 04m
2 stops
British Airways Logo
19:25 - 11:25
BHD
-
SEA
24h 00m
1 stop
£679British Airways
Sun, 23 Aug - Sun, 30 Aug
Multiple Airlines Logo
15:40 - 20:15
SEA
-
BFS
20h 35m
2 stops
Multiple Airlines Logo
09:55 - 11:45
BFS
-
SEA
33h 50m
2 stops
£679Multiple Airlines
Sun, 10 Jan - Thu, 14 Jan
British Airways Logo
18:45 - 18:40
SEA
-
BHD
15h 55m
1 stop
British Airways Logo
09:05 - 16:50
BHD
-
SEA
15h 45m
1 stop
£681British Airways
Wed, 11 Nov - Mon, 16 Nov
Multiple Airlines Logo
14:35 - 20:45
SEA
-
BFS
22h 10m
3 stops
Multiple Airlines Logo
06:30 - 17:00
BFS
-
SEA
18h 30m
2 stops
£685Multiple Airlines
Wed, 11 Nov - Mon, 16 Nov
British Airways Logo
08:11 - 10:15
SEA
-
BHD
18h 04m
2 stops
British Airways Logo
09:15 - 22:15
BHD
-
SEA
21h 00m
2 stops
£693British Airways
Thu, 15 Oct - Tue, 20 Oct
American Airlines Logo
07:30 - 10:10
PDX
-
BHD
18h 40m
2 stops
American Airlines Logo
12:40 - 23:59
BHD
-
PDX
19h 19m
2 stops
£726American Airlines
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Good to know - Cheap tickets from Washington to Belfast

Cheapest flight

£271
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