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>

£265 CHEAP FLIGHTS from Washington to Belfast

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

...and more

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Cheapest return fare

£457

British Airways

Sat 7/3Wed 18/3

SEA - BHD • 1 stop

Cheapest one-way flight

£265

Multiple Airlines

Wed 18/2

SEA - BFS • 3 stops

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Flight Deals

Cheap Flights from Washington to Belfast

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

Round-trip

One-way

Last minute

Recent return flight deals from Washington to Belfast

Sat, 7 Mar - Wed, 18 Mar

18:50 - 19:40

SEA

BHD

16h 50m

1 stop

11:25 - 17:55

BHD

SEA

13h 30m

1 stop

£457British Airways

Sat, 7 Mar - Wed, 18 Mar

18:50 - 19:40

SEA

BHD

16h 50m

1 stop

09:15 - 17:55

BHD

SEA

15h 40m

1 stop

£458British Airways

Sat, 7 Mar - Wed, 18 Mar

18:50 - 19:40

SEA

BHD

16h 50m

1 stop

09:15 - 00:24

BHD

SEA

22h 09m

2 stops

£462British Airways

Wed, 4 Mar - Sun, 8 Mar

18:50 - 07:30

SEA

BHD

28h 40m

1 stop

20:25 - 17:55

BHD

SEA

28h 30m

1 stop

£469British Airways

Wed, 4 Mar - Sun, 8 Mar

17:45 - 07:30

PDX

BHD

29h 45m

1 stop

17:35 - 16:55

BHD

PDX

30h 20m

1 stop

£469British Airways

Wed, 4 Mar - Sun, 8 Mar

17:45 - 16:35

PDX

BHD

14h 50m

1 stop

20:25 - 16:55

BHD

PDX

27h 30m

1 stop

£501British Airways

Sun, 3 May - Sat, 16 May

07:00 - 17:40

PDX

BHD

26h 40m

2 stops

07:05 - 21:38

BHD

PDX

22h 33m

2 stops

£526British Airways

Sun, 3 May - Sat, 16 May

07:00 - 17:40

PDX

BHD

26h 40m

2 stops

16:15 - 17:40

BHD

PDX

33h 25m

1 stop

£528British Airways

Sat, 7 Mar - Tue, 17 Mar

07:55 - 09:10

SEA

BHD

17h 15m

2 stops

08:45 - 23:04

BHD

SEA

21h 19m

2 stops

£549Multiple Airlines

Mon, 9 Mar - Sun, 15 Mar

15:35 - 20:15

SEA

BFS

21h 40m

2 stops

22:45 - 16:40

BFS

SEA

24h 55m

3 stops

£606Multiple Airlines

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

Premium Economy Class flights to Belfast

Economy class flights to Belfast

£265 Find Cheap Flights from Washington to Belfast

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

Everything you should know

Cheap Flights 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?

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

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

Find direct flights for Belfast

Flights to other popular destinations

Flights from domestic origins to Belfast

Choose which airport to fly into in Belfast

Find deals for your return flight