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.

£259 CHEAP FLIGHTS from Washington to Belfast

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Cheap Flights from Washington to Belfast

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

Return

One-way

Last minute

Recent return flight deals from Washington to Belfast

Mon, 8 Mar - Wed, 31 Mar

13:20 - 16:50PDX Portland-BHD Belfast City

19h 30m1 stop Amsterdam Schiphol

09:50 - 11:10BHD Belfast City-PDX Portland

33h 20m1 stop Amsterdam Schiphol

£618Delta

Mon, 8 Mar - Tue, 30 Mar

06:04 - 16:50PDX Portland-BHD Belfast City

26h 46m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

17:25 - 11:10BHD Belfast City-PDX Portland

25h 45m1 stop Amsterdam Schiphol

£622Delta

Mon, 5 Oct - Thu, 22 Oct

06:00 - 09:20SEA Seattle/Tacoma Intl-BHD Belfast City

19h 20m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

09:50 - 22:49BHD Belfast City-SEA Seattle/Tacoma Intl

20h 59m2 stops Amsterdam Schiphol Boston Logan Intl

£622Delta

Sun, 7 Mar - Thu, 1 Apr

22:55 - 16:50PDX Portland-BHD Belfast City

33h 55m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

17:25 - 11:10BHD Belfast City-PDX Portland

25h 45m1 stop Amsterdam Schiphol

£625Delta

Mon, 8 Mar - Mon, 29 Mar

13:20 - 16:50PDX Portland-BHD Belfast City

19h 30m1 stop Amsterdam Schiphol

17:25 - 18:17BHD Belfast City-PDX Portland

32h 52m2 stops Amsterdam Schiphol Salt Lake City

£626Delta

Mon, 8 Mar - Tue, 30 Mar

07:00 - 16:50PDX Portland-BHD Belfast City

25h 50m2 stops New York John F Kennedy Intl Amsterdam Schiphol

17:25 - 20:50BHD Belfast City-PDX Portland

35h 25m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

£629Delta

Sun, 7 Mar - Fri, 2 Apr

22:55 - 09:10PDX Portland-BHD Belfast City

26h 15m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

09:50 - 18:43BHD Belfast City-PDX Portland

16h 53m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

£632Delta

Wed, 10 Mar - Mon, 29 Mar

17:45 - 14:35PDX Portland-BHD Belfast City

12h 50m1 stop London Heathrow

19:35 - 17:40BHD Belfast City-PDX Portland

30h 05m1 stop London Heathrow

£662British Airways

Sun, 17 Jan - Thu, 21 Jan

18:45 - 16:50SEA Seattle/Tacoma Intl-BHD Belfast City

14h 05m1 stop London Heathrow

06:30 - 16:50BHD Belfast City-SEA Seattle/Tacoma Intl

18h 20m1 stop London Heathrow

£662British Airways

Sun, 7 Mar - Tue, 30 Mar

17:45 - 16:50PDX Portland-BHD Belfast City

15h 05m1 stop London Heathrow

19:30 - 17:40BHD Belfast City-PDX Portland

30h 10m1 stop London Heathrow

£666British Airways

Useful Info

Cheapest flight	£259

Flight from Seattle 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.