£306 Find Cheap Flights from Washington to Belfast

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 6/4. 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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Everything you should know

Cheapest return fare
£423
British Airways
Sun 22/2Mon 9/3
SEA - BHD • 1 stop
Cheapest one-way flight
£200
Multiple Airlines
Mon 6/4
PDX - BFS • 2 stops
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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, 22 Feb - Mon, 9 Mar
British Airways Logo
18:50 - 16:50
SEA
-
BHD
14h 00m
1 stop
British Airways Logo
17:45 - 12:30
BHD
-
SEA
25h 45m
1 stop
£423British Airways
Mon, 27 Apr - Tue, 5 May
British Airways Logo
06:22 - 12:55
PDX
-
BHD
22h 33m
2 stops
British Airways Logo
18:20 - 17:40
BHD
-
PDX
31h 20m
1 stop
£430British Airways
Mon, 27 Apr - Tue, 5 May
British Airways Logo
06:22 - 12:55
PDX
-
BHD
22h 33m
2 stops
British Airways Logo
09:40 - 22:49
BHD
-
PDX
21h 09m
2 stops
£432British Airways
Sun, 22 Feb - Mon, 9 Mar
British Airways Logo
07:15 - 10:20
SEA
-
BHD
19h 05m
2 stops
British Airways Logo
17:45 - 12:30
BHD
-
SEA
25h 45m
1 stop
£436British Airways
Sat, 7 Mar - Wed, 18 Mar
British Airways Logo
18:50 - 16:45
SEA
-
BHD
13h 55m
1 stop
British Airways Logo
09:15 - 17:55
BHD
-
SEA
15h 40m
1 stop
£438British Airways
Sun, 22 Feb - Mon, 9 Mar
British Airways Logo
07:15 - 10:20
SEA
-
BHD
19h 05m
2 stops
British Airways Logo
19:25 - 23:04
BHD
-
SEA
34h 39m
2 stops
£440British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
17:45 - 14:15
PDX
-
BHD
12h 30m
1 stop
British Airways Logo
10:40 - 16:55
BHD
-
PDX
13h 15m
1 stop
£440British Airways
Wed, 25 Feb - Sun, 1 Mar
British Airways Logo
07:15 - 10:15
SEA
-
BHD
19h 00m
2 stops
British Airways Logo
20:25 - 16:55
BHD
-
SEA
28h 30m
1 stop
£444British Airways
Sun, 22 Feb - Mon, 9 Mar
Multiple Airlines Logo
15:10 - 22:25
SEA
-
BFS
23h 15m
3 stops
Multiple Airlines Logo
08:35 - 22:06
BFS
-
SEA
20h 31m
2 stops
£651Multiple Airlines
Sun, 22 Feb - Mon, 9 Mar
Multiple Airlines Logo
16:55 - 18:25
SEA
-
BFS
17h 30m
1 stop
Multiple Airlines Logo
06:40 - 21:53
BFS
-
SEA
46h 13m
2 stops
£651Multiple Airlines
Useful Info

Good to know - Cheap tickets from Washington to Belfast

Cheapest flight£200
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

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