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Washington, D.C.

$637+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — WAS
nov. 21 — nov. 281
vie. 11/21
vie. 11/28
1 adult, Economy
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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 octubre 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/38:00 amBFS - BWI
1 stop15h 40mMultiple Airlines
sáb. 12/67:40 pmBWI - BFS
1 stop13h 45mMultiple Airlines
Deal found 10/21$637
This Mytrip deal was found by Cheapflights users on 10/22. 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.
sáb. 12/68:10 amBFS - BWI
2 stops15h 30mMultiple Airlines
sáb. 12/137:40 pmBWI - BFS
2 stops15h 30mMultiple Airlines
Deal found 10/22$920
This Air France deal was found by Cheapflights users on 10/21. 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.
lun. 12/15:20 pmBHD - IAD
1 stop27h 45mMultiple Airlines
lun. 12/86:05 pmIAD - BHD
1 stop17h 45mMultiple Airlines
Deal found 10/21$938
This British Airways deal was found by Cheapflights users on 10/21. 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.
mar. 12/26:35 amBHD - DCA
2 stops15h 57mBritish Airways
lun. 12/81:44 pmDCA - BHD
2 stops15h 56mBritish Airways
Deal found 10/21$939
This British Airways deal was found by Cheapflights users on 10/21. 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.
mar. 12/26:35 amBHD - IAD
2 stops15h 14mBritish Airways
mié. 12/106:20 pmIAD - BHD
1 stop10h 55mBritish Airways
Deal found 10/21$939
This British Airways deal was found by Cheapflights users on 10/21. 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.
lun. 12/17:25 pmBHD - IAD
1 stop25h 10mBritish Airways
mar. 12/99:45 pmIAD - BHD
1 stop12h 05mBritish Airways
Deal found 10/21$947
This Air France deal was found by Cheapflights users on 10/21. 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.
mié. 12/36:30 amBHD - IAD
2 stops14h 53mMultiple Airlines
lun. 12/86:05 pmIAD - BHD
1 stop17h 45mMultiple Airlines
Deal found 10/21$948
This British Airways deal was found by Cheapflights users on 10/21. 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.
mié. 12/312:25 pmBHD - DCA
2 stops14h 05mBritish Airways
mié. 12/103:54 pmDCA - BHD
2 stops12h 16mBritish Airways
Deal found 10/21$953
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/12:40 pmBHD - IAD
1 stop29h 55mAmerican Airlines
mar. 12/96:20 pmIAD - BHD
1 stop12h 10mAmerican Airlines
Deal found 10/21$955
This KLM deal was found by Cheapflights users on 10/21. 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.
mié. 12/36:30 amBHD - IAD
2 stops14h 53mKLM
lun. 12/87:35 pmIAD - BHD
2 stops16h 15mKLM
Deal found 10/21$960
This British Airways deal was found by Cheapflights users on 10/21. 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.
mar. 11/46:35 amBHD - IAD
1 stop14h 00mBritish Airways
mié. 11/129:45 pmIAD - BHD
1 stop13h 50mBritish Airways
Deal found 10/21$961
This Booking.com deal was found by Cheapflights users on 10/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/612:45 pmBFS - IAD
3 stops37h 15mMultiple Airlines
sáb. 12/139:45 amIAD - BFS
2 stops20h 10mMultiple Airlines
Deal found 10/22$964

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 octubre 22, 2025.

Round-trip from

$637
(Kiwi.com)
From Northern Ireland to Washington, D.C. (WAS)
Search Deals

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 octubre 22, 2025.
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

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

mié. 12/3

8:00 am-6:40 pm

1 stop15h 40m

Baltimore/Washington

sáb. 12/6

7:40 pm-2:25 pm

1 stop13h 45m

$637

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

sáb. 12/6

8:10 am-6:40 pm

2 stops15h 30m

Baltimore/Washington

sáb. 12/13

7:40 pm-4:10 pm

2 stops15h 30m

$920

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

mié. 12/3

12:25 pm-9:30 pm

2 stops14h 05m

Washington, D.C. Reagan-National

mar. 12/9

1:44 pm-11:30 am

2 stops16h 46m

$939

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

mar. 12/2

11:25 am-10:15 pm

2 stops15h 50m

Washington, D.C. Reagan-National

mar. 12/9

1:44 pm-10:30 am

2 stops15h 46m

$939

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

mar. 12/2

6:35 am-4:49 pm

2 stops15h 14m

Washington, D.C. Dulles Intl

lun. 12/8

9:45 pm-2:15 pm

1 stop11h 30m

$939

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

mié. 12/3

9:15 am-3:35 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

mié. 12/10

6:20 pm-9:10 am

1 stop9h 50m

$947

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

mié. 12/3

12:25 pm-9:30 pm

2 stops14h 05m

Washington, D.C. Reagan-National

mié. 12/10

3:54 pm-9:10 am

2 stops12h 16m

$953

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

lun. 12/1

2:40 pm-3:35 pm

1 stop29h 55m

Washington, D.C. Dulles Intl

mar. 12/9

6:20 pm-11:30 am

1 stop12h 10m

$955

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

mié. 12/3

6:35 am-7:55 pm

1 stop18h 20m

Washington, D.C. Dulles Intl

lun. 12/8

5:29 pm-2:15 pm

2 stops15h 46m

$959

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

mar. 11/4

8:45 am-3:35 pm

1 stop11h 50m

Washington, D.C. Dulles Intl

lun. 11/10

5:29 pm-2:15 pm

2 stops15h 46m

$961

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 29 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 14h 05m. British Airways provides one of the quickest options available for as low as $939. The distance from Northern Ireland to Washington, D.C. is about 3378 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 City - Washington, D.C. Reagan-National. You may also consider Belfast City - Washington, D.C. Dulles Intl or Belfast Intl - Baltimore/Washington.

  • 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
Arlington
Tysons
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf

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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.
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