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

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

£410 CHEAP FLIGHTS from Northern Ireland to Washington, D.C.

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

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

Round-trip

One-way

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

Wed, 27 May - Wed, 3 Jun

06:05 - 15:10

BFS

IAD

38h 05m

3 stops

08:18 - 15:55

IAD

BFS

26h 37m

3 stops

£639Multiple Airlines

Wed, 27 May - Wed, 3 Jun

06:05 - 15:10

BFS

IAD

38h 05m

3 stops

12:40 - 15:55

IAD

BFS

22h 15m

2 stops

£643Multiple Airlines

Tue, 26 May - Tue, 2 Jun

07:35 - 15:10

BFS

IAD

36h 35m

3 stops

17:15 - 19:40

IAD

BFS

21h 25m

2 stops

£661Multiple Airlines

Tue, 23 Jun - Tue, 11 Aug

16:25 - 19:40

BHD

BWI

32h 15m

1 stop

11:59 - 10:45

BWI

BHD

17h 46m

2 stops

£679American Airlines

Tue, 23 Jun - Tue, 11 Aug

06:30 - 23:59

BHD

BWI

22h 29m

2 stops

16:25 - 15:20

BWI

BHD

17h 55m

2 stops

£683American Airlines

Tue, 23 Jun - Tue, 11 Aug

13:45 - 19:40

BHD

BWI

10h 55m

1 stop

19:24 - 17:35

BWI

BHD

17h 11m

2 stops

£685American Airlines

Tue, 23 Jun - Tue, 11 Aug

06:30 - 19:40

BHD

BWI

18h 10m

1 stop

16:25 - 15:20

BWI

BHD

17h 55m

2 stops

£708American Airlines

Tue, 30 Jun - Tue, 21 Jul

09:40 - 20:20

BHD

IAD

15h 40m

1 stop

22:25 - 15:20

IAD

BHD

11h 55m

1 stop

£717British Airways

Tue, 23 Jun - Tue, 11 Aug

09:40 - 19:40

BHD

BWI

15h 00m

1 stop

19:25 - 10:45

BWI

BHD

10h 20m

1 stop

£720British Airways

Wed, 27 May - Wed, 3 Jun

18:30 - 19:00

BHD

IAD

29h 30m

2 stops

21:00 - 21:00

IAD

BHD

19h 00m

2 stops

£795Aer Lingus

Useful Info

Cheapest flight	£410

Flight from Belfast City Airport to Washington Dulles Airport

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

Annapolis

Fairfax

Gaithersburg

Fredericksburg

Silver Spring

Tysons

Rockville

National Harbor

Woodbridge

Cambridge

Reston

Westminster

Falls Church

Owings Mills

Laurel

College Park

Edgewood

Manassas

Hanover

Everything you need to know for your flight to Washington, D.C.

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Cabin class types available on flights to Northern Ireland

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Economy class flights to Washington, D.C.

£410 Find Cheap Flights from Northern Ireland to Washington, D.C.

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C.

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

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

Recent one-way flight deals from Northern Ireland to Washington, D.C.

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

FAQs for booking flights from Northern Ireland 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.

Travelling to a place near Washington, D.C.?

Everything you need to know for your flight to Washington, D.C.

Cabin class types available on flights to Northern Ireland

Complete your trip to Washington, D.C. with a hotel stay or car hire

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