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Cheap flights from Northern Ireland to Washington, D.C. from £724

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Washington, D.C. departing on 20/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

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American Airlines Logo
09:05 - 15:35BHD-IAD
11h 30m1 stop
American Airlines Logo
14:16 - 16:05IAD-BHD
20h 49m2 stops
£724American Airlines
Find Deal
Thu, 20 Nov - Mon, 24 Nov
American Airlines Logo
11:05 - 23:59BHD-IAD
17h 54m2 stops
American Airlines Logo
17:29 - 16:05IAD-BHD
17h 36m2 stops
£728American Airlines
Find Deal
Thu, 20 Nov - Mon, 24 Nov
American Airlines Logo
06:35 - 18:54BHD-DCA
17h 19m2 stops
American Airlines Logo
14:54 - 14:15DCA-BHD
18h 21m2 stops
£729American Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
American Airlines Logo
09:05 - 23:59BHD-IAD
19h 54m2 stops
American Airlines Logo
14:16 - 14:15IAD-BHD
18h 59m2 stops
£729American Airlines
Find Deal
Thu, 20 Nov - Mon, 24 Nov
American Airlines Logo
09:05 - 19:55BHD-IAD
15h 50m1 stop
American Airlines Logo
14:16 - 10:40IAD-BHD
15h 24m2 stops
£735American Airlines
Find Deal
Thu, 20 Nov - Mon, 24 Nov
American Airlines Logo
11:05 - 22:00BHD-DCA
15h 55m2 stops
American Airlines Logo
17:23 - 10:40DCA-BHD
13h 17m2 stops
£735American Airlines
Find Deal
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
20:00 - 19:55BHD-IAD
28h 55m1 stop
British Airways Logo
18:20 - 10:40IAD-BHD
11h 20m1 stop
£736British Airways
Find Deal
Thu, 20 Nov - Mon, 24 Nov
Virgin Atlantic Logo
06:30 - 15:35BHD-IAD
14h 05m1 stop
Virgin Atlantic Logo
19:59 - 21:20IAD-BHD
20h 21m2 stops
£1,248Virgin Atlantic
Find Deal
Wed, 1 Apr - Sun, 5 Apr
Virgin Atlantic Logo
06:30 - 15:35BHD-IAD
14h 05m1 stop
Virgin Atlantic Logo
19:59 - 21:20IAD-BHD
20h 21m2 stops
£1,249Virgin Atlantic
Find Deal
Wed, 1 Apr - Sun, 5 Apr
Virgin Atlantic Logo
06:30 - 15:35BHD-IAD
14h 05m1 stop
Virgin Atlantic Logo
19:59 - 21:20IAD-BHD
20h 21m2 stops
£1,250Virgin Atlantic
Find Deal
Wed, 1 Apr - Sun, 5 Apr

American Airlines flights from Northern Ireland to Washington, D.C.

Our best American Airlines deals on Northern Ireland to Washington, D.C. flight tickets
American Airlines
20 Nov
BHD09:05Belfast City
11h 30m
1 stop
IAD15:35Washington, D.C. Dulles Intl
24 Nov
IAD14:16Washington, D.C. Dulles Intl
20h 49m
2 stops
BHD16:05Belfast City
£724
Find similar
American Airlines
20 Nov
BHD11:05Belfast City
17h 54m
2 stops
IAD23:59Washington, D.C. Dulles Intl
24 Nov
IAD17:29Washington, D.C. Dulles Intl
17h 36m
2 stops
BHD16:05Belfast City
£728
Find similar
American Airlines
20 Nov
BHD09:05Belfast City
19h 54m
2 stops
IAD23:59Washington, D.C. Dulles Intl
24 Nov
IAD14:16Washington, D.C. Dulles Intl
18h 59m
2 stops
BHD14:15Belfast City
£729
Find similar

Virgin Atlantic flights from Northern Ireland to Washington, D.C.

Our best Virgin Atlantic deals on Northern Ireland to Washington, D.C. flight tickets
Virgin Atlantic
1 Apr
BHD06:30Belfast City
14h 05m
1 stop
IAD15:35Washington, D.C. Dulles Intl
5 Apr
IAD19:59Washington, D.C. Dulles Intl
20h 21m
2 stops
BHD21:20Belfast City
£1,248
Find similar
Virgin Atlantic
1 Apr
BHD06:30Belfast City
14h 05m
1 stop
IAD15:35Washington, D.C. Dulles Intl
5 Apr
IAD19:59Washington, D.C. Dulles Intl
20h 21m
2 stops
BHD21:20Belfast City
£1,249
Find similar
Virgin Atlantic
1 Apr
BHD06:30Belfast City
14h 05m
1 stop
IAD15:35Washington, D.C. Dulles Intl
5 Apr
IAD19:59Washington, D.C. Dulles Intl
20h 21m
2 stops
BHD21:20Belfast City
£1,250
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 21 October 2025.
Use the filters below to find and compare flights from Northern Ireland to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 20/11

09:05-15:35

1 stop11h 30m

Washington, D.C. Dulles Intl

Mon 24/11

14:16-16:05

2 stops20h 49m

£724

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 20/11

11:05-23:59

2 stops17h 54m

Washington, D.C. Dulles Intl

Mon 24/11

17:29-16:05

2 stops17h 36m

£728

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 4/12

06:35-18:54

2 stops17h 19m

Washington, D.C. Reagan-National

Mon 8/12

14:54-14:15

2 stops18h 21m

£729

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 20/11

09:05-23:59

2 stops19h 54m

Washington, D.C. Dulles Intl

Mon 24/11

14:16-14:15

2 stops18h 59m

£729

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 20/11

09:05-19:55

1 stop15h 50m

Washington, D.C. Dulles Intl

Mon 24/11

14:16-10:40

2 stops15h 24m

£735

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 5/3

11:05-22:00

2 stops15h 55m

Washington, D.C. Reagan-National

Mon 9/3

17:23-10:40

2 stops13h 17m

£735

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 20/11

20:00-19:55

1 stop28h 55m

Washington, D.C. Dulles Intl

Mon 24/11

18:20-10:40

1 stop11h 20m

£736

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 1/4

06:30-15:35

1 stop14h 05m

Washington, D.C. Dulles Intl

Sun 5/4

19:59-21:20

2 stops20h 21m

£1,248

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 1/4

06:30-15:35

1 stop14h 05m

Washington, D.C. Dulles Intl

Sun 5/4

19:59-21:20

2 stops20h 21m

£1,249

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 1/4

06:30-15:35

1 stop14h 05m

Washington, D.C. Dulles Intl

Sun 5/4

19:59-21:20

2 stops20h 21m

£1,250

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Northern Ireland to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Northern Ireland is on a Friday. momondo users have found tickets for Friday departures for as low as £737. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Northern Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,041.

Cheap Northern Ireland to Washington, D.C. flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Washington, D.C.

Direct flights

None
There are no direct flights from Northern Ireland to Washington, D.C.. There are no popular flight routes from Northern Ireland to Washington, D.C..
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  • When did momondo last update prices for flights from Northern Ireland to Washington, D.C.?

    Prices for flights from Northern Ireland to Washington, D.C. are refreshed on a daily basis.

  • How old do you have to be to fly from Northern Ireland to Washington, D.C.?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Northern Ireland to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
College Park
Alexandria
Fairfax
Linthicum Heights
Bethesda
Gettysburg
Cambridge
Ellicott City
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring
National Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Northern Ireland to Washington, D.C. for you.

Can I find flights from Northern Ireland to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Northern Ireland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Northern Ireland to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Northern Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Northern Ireland to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Northern Ireland to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport