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Washington, D.C.

$612+ Cheap flights from Northern Ireland to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — WAS
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
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Cheap flight deals from Northern Ireland to Washington, D.C.

Keep the following information in mind while searching for Northern Ireland to Washington, D.C. flight deals. Data was last updated January 18, 2026.

Round-trip from

$612
(Mytrip)
From Northern Ireland to Washington, D.C. (WAS)
Search Deals

Find flight deals from Northern Ireland to Washington, D.C.

Cheapest flights from Northern Ireland to Washington, D.C.
Explore the most affordable flight options available from Northern Ireland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 18, 2026.

This Mytrip deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:30 am
BFS
-
IAD
2 stops17h 00m
Multiple Airlines
Mon 3/98:40 pm
IAD
-
BFS
2 stops17h 15m
Multiple Airlines
Deal found 1/16$612
This Mytrip deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:35 am
BFS
-
BWI
3 stops30h 52m
Multiple Airlines
Mon 3/98:40 pm
BWI
-
BFS
3 stops20h 50m
Multiple Airlines
Deal found 1/16$637
This British Airways deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:05 am
BHD
-
IAD
1 stop11h 30m
British Airways
Mon 3/94:46 pm
IAD
-
BHD
2 stops17h 29m
British Airways
Deal found 1/17$716
This British Airways deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:35 am
BHD
-
DCA
2 stops19h 08m
British Airways
Mon 2/166:14 pm
DCA
-
BHD
2 stops16h 51m
British Airways
Deal found 1/16$722
This British Airways deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/46:35 am
BHD
-
DCA
2 stops17h 19m
British Airways
Sun 2/81:44 pm
DCA
-
BHD
2 stops19h 11m
British Airways
Deal found 1/17$751
This British Airways deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/46:50 pm
BHD
-
IAD
2 stops25h 45m
British Airways
Sun 2/86:20 pm
IAD
-
BHD
1 stop14h 35m
British Airways
Deal found 1/17$764
This British Airways deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/52:00 pm
BHD
-
IAD
2 stops30h 35m
British Airways
Mon 2/96:20 pm
IAD
-
BHD
1 stop11h 20m
British Airways
Deal found 1/15$765
This British Airways deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/128:00 pm
BHD
-
BWI
1 stop27h 45m
British Airways
Mon 2/1612:16 pm
BWI
-
BHD
2 stops17h 24m
British Airways
Deal found 1/15$816
This British Airways deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/55:45 pm
BHD
-
BWI
1 stop30h 00m
British Airways
Mon 2/92:46 pm
BWI
-
BHD
2 stops20h 19m
British Airways
Deal found 1/17$847
This SmartFares deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:30 pm
BHD
-
IAD
1 stop27h 05m
Multiple Airlines
Tue 5/55:40 pm
IAD
-
BHD
1 stop10h 40m
Multiple Airlines
Deal found 1/16$2,635
This KLM deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:50 am
BHD
-
IAD
1 stop10h 45m
KLM
Wed 5/61:19 pm
IAD
-
BHD
2 stops15h 01m
KLM
Deal found 1/16$2,641
This Air France deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:50 am
BHD
-
IAD
1 stop10h 45m
Multiple Airlines
Tue 5/59:45 pm
IAD
-
BHD
2 stops14h 10m
Multiple Airlines
Deal found 1/16$2,666

Cheapflights Fare Finder

 
Customize 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, Cheapflights users made 2,558,603 searches. Data last updated January 18, 2026.
Use the filters below to find and compare flights from Northern Ireland to Washington, D.C. that are best for you.

Fly from

Northern Ireland

Fly to

Washington, D.C.

Route

Depart

Return

Price

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Mon 3/2

6:30 am-6:30 pm

2 stops17h 00m

Washington, D.C. Dulles Intl

Mon 3/9

8:40 pm-5:55 pm

2 stops17h 15m

$612

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Mon 3/2

8:35 am-10:27 am

3 stops30h 52m

Baltimore/Washington

Mon 3/9

8:40 pm-9:30 pm

3 stops20h 50m

$637

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 3/5

9:05 am-3:35 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

Mon 3/9

4:46 pm-2:15 pm

2 stops17h 29m

$716

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 2/12

6:35 am-8:43 pm

2 stops19h 08m

Washington, D.C. Reagan-National

Mon 2/16

6:14 pm-4:05 pm

2 stops16h 51m

$722

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 2/4

6:35 am-6:54 pm

2 stops17h 19m

Washington, D.C. Reagan-National

Sun 2/8

1:44 pm-1:55 pm

2 stops19h 11m

$751

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 2/4

6:50 pm-3:35 pm

2 stops25h 45m

Washington, D.C. Dulles Intl

Sun 2/8

1:08 pm-10:20 am

2 stops16h 12m

$764

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 2/5

2:00 pm-3:35 pm

2 stops30h 35m

Washington, D.C. Dulles Intl

Mon 2/9

11:34 am-4:05 pm

2 stops23h 31m

$765

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 2/12

8:00 pm-6:45 pm

1 stop27h 45m

Baltimore/Washington

Mon 2/16

12:16 pm-10:40 am

2 stops17h 24m

$816

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 2/5

8:00 pm-9:18 pm

2 stops30h 18m

Baltimore/Washington

Mon 2/9

11:13 am-4:05 pm

2 stops23h 52m

$821

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 4/29

6:30 am-4:45 pm

2 stops15h 15m

Washington, D.C. Reagan-National

Tue 5/5

4:43 pm-10:45 am

2 stops13h 02m

$2,789

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 15 results
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Best time to book a flight from Northern Ireland to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Northern Ireland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Washington, D.C.
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Northern Ireland to Washington, D.C.?

    A quick flight from Northern Ireland to Washington, D.C. can take about 11h 30m. British Airways provides one of the quickest options available for as low as $716. The distance from Northern Ireland to Washington, D.C. is about 3390 mi.

  • What are the most popular routes from Northern Ireland to Washington, D.C.?

    The most popular route from Northern Ireland to Washington, D.C. is Belfast Intl - Baltimore/Washington. You may also consider Belfast City - Baltimore/Washington or Belfast Intl - Washington, D.C. Reagan-National.

  • Can I find deals for flights from Northern Ireland to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Washington, D.C..

  • Can I find deals for business class flights from Northern Ireland to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Northern Ireland to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Largo
Bowie
McLean
Clinton
Herndon

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Alternative routes for Northern Ireland to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Heathrow to Reagan-National flights
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Gatwick to Reagan-National flights
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Manchester to Reagan-National flights
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Glasgow Intl to Reagan-National flights
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Newcastle upon Tyne to Reagan-National flights
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Cardiff to Dulles Intl flights
Norwich to Dulles Intl flights

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