How does KAYAK find such low prices on flights from Northern Ireland to Washington, D.C.?

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 Northern Ireland to Washington, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Northern Ireland to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Northern Ireland 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 Northern Ireland to Washington, D.C.?

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 Washington, D.C. with an airline and back to Northern Ireland with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Northern Ireland to Washington, D.C.?

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 Washington, D.C. from Northern Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

£324 CHEAP FLIGHTS from Northern Ireland to Washington, D.C.

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Cheap Flights from Northern Ireland to Washington, D.C.

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One-way

Recent return flight deals from Northern Ireland to Washington, D.C.

Thu, 29 Oct - Thu, 5 Nov

06:30 - 19:30BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

17h 00m2 stops London Gatwick Reykjavik Keflavik Intl

19:40 - 17:05IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

16h 25m2 stops Reykjavik Keflavik Intl London Gatwick

£479Multiple Airlines

Thu, 21 Jan - Mon, 25 Jan

17:50 - 16:20BHD Belfast City-IAD Washington, D.C. Dulles Intl

27h 30m2 stops London Heathrow Madrid Barajas

21:45 - 17:25IAD Washington, D.C. Dulles Intl-BHD Belfast City

14h 40m1 stop London Heathrow

£594British Airways

Thu, 21 Jan - Mon, 25 Jan

17:50 - 16:20BHD Belfast City-IAD Washington, D.C. Dulles Intl

27h 30m2 stops London Heathrow Madrid Barajas

21:45 - 17:25IAD Washington, D.C. Dulles Intl-BHD Belfast City

14h 40m1 stop London Heathrow

£595British Airways

Thu, 21 Jan - Mon, 25 Jan

17:50 - 16:20BHD Belfast City-IAD Washington, D.C. Dulles Intl

27h 30m2 stops London Heathrow Madrid Barajas

21:45 - 17:25IAD Washington, D.C. Dulles Intl-BHD Belfast City

14h 40m1 stop London Heathrow

£596British Airways

Wed, 30 Sep - Sun, 4 Oct

19:40 - 17:25BHD Belfast City-IAD Washington, D.C. Dulles Intl

26h 45m1 stop London Heathrow

17:45 - 10:30IAD Washington, D.C. Dulles Intl-BHD Belfast City

11h 45m1 stop London Heathrow

£599British Airways

Thu, 21 Jan - Mon, 25 Jan

14:10 - 17:05BHD Belfast City-BWI Baltimore/Washington

31h 55m1 stop London Heathrow

11:03 - 10:50BWI Baltimore/Washington-BHD Belfast City

18h 47m2 stops Charlotte Douglas London Heathrow

£605British Airways

Thu, 21 Jan - Mon, 25 Jan

11:05 - 19:55BHD Belfast City-IAD Washington, D.C. Dulles Intl

13h 50m1 stop London Heathrow

21:45 - 17:25IAD Washington, D.C. Dulles Intl-BHD Belfast City

14h 40m1 stop London Heathrow

£605British Airways

Thu, 21 Jan - Mon, 25 Jan

17:50 - 17:05BHD Belfast City-BWI Baltimore/Washington

28h 15m1 stop London Heathrow

18:55 - 10:50BWI Baltimore/Washington-BHD Belfast City

10h 55m1 stop London Heathrow

£607British Airways

Thu, 21 Jan - Mon, 25 Jan

11:05 - 19:55BHD Belfast City-IAD Washington, D.C. Dulles Intl

13h 50m1 stop London Heathrow

21:45 - 17:25IAD Washington, D.C. Dulles Intl-BHD Belfast City

14h 40m1 stop London Heathrow

£607British Airways

Thu, 21 Jan - Mon, 25 Jan

17:50 - 17:05BHD Belfast City-BWI Baltimore/Washington

28h 15m1 stop London Heathrow

18:55 - 10:50BWI Baltimore/Washington-BHD Belfast City

10h 55m1 stop London Heathrow

£607British Airways

Useful Info

Cheapest flight	£324

Flight from Belfast Intl Airport to Washington, D.C.

How does KAYAK find such low prices on flights from Northern Ireland to Washington, D.C.?
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 Northern Ireland to Washington, D.C..
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Northern Ireland to Washington, D.C.?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Northern Ireland 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 Northern Ireland to Washington, D.C.?
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 Washington, D.C. with an airline and back to Northern Ireland with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Northern Ireland to Washington, D.C.?
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 Washington, D.C. from Northern Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Alexandria

Woodbridge

Fairfax

Annapolis

Rockville

Silver Spring

Tysons

Fredericksburg

Gaithersburg

Laurel

Reston

National Harbor

Cambridge

Westminster

Springfield

College Park

Bowie

Hanover

Fort Belvoir

Ellicott City

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£324 Find Cheap Flights from Northern Ireland to Washington, D.C. – Compare and Save

Cheap Flights from Northern Ireland to Washington, D.C.

Recent return flight deals from Northern Ireland to Washington, D.C.

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Good to know - Cheap tickets from Northern Ireland to Washington, D.C.

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