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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

£304 CHEAP FLIGHTS from Washington to Belfast

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Flights Deals

Cheap Flight Deals 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.

Round-trip

One-way

Last minute

Recent return flight deals from Washington to Belfast

KAYAK's recommended return flight deals from the most popular airlines that fly from Washington to Belfast.

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

23:59 - 11:30PDX-BHD

27h 31m2 stops

06:50 - 22:04BHD-PDX

23h 14m2 stops

£546British Airways

Find Deal

Sat, 23 Aug - Sun, 31 Aug

19:25 - 17:15PDX-BHD

13h 50m1 stop

11:00 - 17:35BHD-PDX

14h 35m1 stop

£553British Airways

Find Deal

Sat, 23 Aug - Sun, 31 Aug

23:59 - 11:30PDX-BHD

27h 31m2 stops

20:05 - 17:35BHD-PDX

29h 30m1 stop

£557British Airways

Find Deal

Sat, 23 Aug - Sun, 31 Aug

10:00 - 18:35SEA-BFS

24h 35m3 stops

15:05 - 22:16BFS-SEA

39h 11m3 stops

£620

Find Deal

Wed, 11 Jun - Wed, 18 Jun

07:05 - 16:40SEA-BFS

25h 35m3 stops

06:10 - 15:03BFS-SEA

40h 53m3 stops

£655

Find Deal

Thu, 12 Jun - Thu, 19 Jun

19:35 - 19:25SEA-BHD

15h 50m2 stops

07:00 - 17:50BHD-SEA

18h 50m2 stops

£753Aer Lingus

Find Deal

Tue, 3 Jun - Tue, 10 Jun

19:35 - 19:55SEA-BHD

16h 20m2 stops

10:10 - 17:50BHD-SEA

15h 40m2 stops

£873Aer Lingus

Find Deal

Thu, 12 Jun - Thu, 19 Jun

13:15 - 21:15PDX-BHD

24h 00m1 stop

17:25 - 11:20BHD-PDX

25h 55m1 stop

£1,001KLM

Find Deal

Wed, 2 Jul - Tue, 15 Jul

13:45 - 18:35PDX-BHD

20h 50m2 stops

06:30 - 11:20BHD-PDX

12h 50m1 stop

£1,093KLM

Find Deal

Tue, 24 Jun - Mon, 7 Jul

19:25 - 17:30PDX-BHD

14h 05m1 stop

09:50 - 17:35BHD-PDX

15h 45m1 stop

£1,555American Airlines

Find Deal

Tue, 24 Jun - Mon, 7 Jul

Useful Info

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

Complete your trip

Direct flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Washington

First Class flights to Belfast

Business Class flights to Belfast

Prem Econ Class flights to Belfast

Economy class flights to Belfast

£304 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 20/6. 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.

KAYAK searches hundreds of travel sites at once for deals on flights to Belfast

Cheap Flight Deals from Washington to Belfast

Recent return flight deals from Washington to Belfast

Recent one-way flight deals from Washington to Belfast

Recent last minute flight deals from Washington to Belfast

FAQs for booking flights from Washington to Belfast

How does KAYAK find such low prices 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?

What is the Hacker Fare option on flights from Washington to Belfast?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Belfast?

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.

Complete your trip to Belfast with a hotel stay or car hire

Find direct flights for Belfast

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from domestic origins to Belfast

Flights from all regions of Washington to Belfast. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Choose which airport to fly into in Belfast

Find deals for your return flight