Washington, D.C.

$526+ Cheap flights from Northern Ireland to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — WAS
Dec 6 — Dec 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Northern Ireland to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 6, 2025.

This Mytrip deal was found by Cheapflights users on 11/5. 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.
Wed 12/37:10 amBFS - IAD
3 stops37h 05mMultiple Airlines
Wed 12/1010:30 pmIAD - BFS
2 stops16h 50mMultiple Airlines
Deal found 11/5$706
This Mytrip deal was found by Cheapflights users on 11/5. 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.
Wed 12/32:15 pmBHD - IAD
3 stops30h 00mMultiple Airlines
Wed 12/1010:30 pmIAD - BHD
2 stops17h 20mMultiple Airlines
Deal found 11/5$714
This Virgin Atlantic deal was found by Cheapflights users on 11/5. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:30 amBHD - IAD
1 stop14h 35mVirgin Atlantic
Wed 12/106:05 pmIAD - BHD
1 stop21h 55mVirgin Atlantic
Deal found 11/5$915
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:30 amBHD - DCA
2 stops21h 27mDelta
Wed 12/1012:32 pmDCA - BHD
2 stops23h 18mDelta
Deal found 11/5$921
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/46:35 amBHD - DCA
2 stops17h 19mAmerican Airlines
Mon 12/812:42 pmDCA - BHD
2 stops16h 58mAmerican Airlines
Deal found 11/5$951
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 11/206:35 amBHD - IAD
1 stop14h 00mAmerican Airlines
Mon 11/249:45 pmIAD - BHD
1 stop13h 20mAmerican Airlines
Deal found 11/5$971
This British Airways deal was found by Cheapflights users on 11/5. 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 11/196:35 amBHD - IAD
1 stop18h 20mBritish Airways
Sun 11/231:58 pmIAD - BHD
2 stops15h 22mBritish Airways
Deal found 11/5$976
This British Airways deal was found by Cheapflights users on 11/5. 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 11/196:35 amBHD - DCA
2 stops22h 12mBritish Airways
Sun 11/234:51 pmDCA - BHD
2 stops16h 04mBritish Airways
Deal found 11/5$982
This Priceline deal was found by Cheapflights users on 11/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:25 amBHD - BWI
1 stop12h 20mBritish Airways
Wed 12/108:35 pmBWI - BHD
1 stop11h 55mBritish Airways
Deal found 11/5$982
This British Airways deal was found by Cheapflights users on 11/5. 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 11/196:35 amBHD - BWI
1 stop17h 10mBritish Airways
Sun 11/235:46 pmBWI - BHD
2 stops14h 29mBritish Airways
Deal found 11/5$1,002
This British Airways deal was found by Cheapflights users on 11/5. 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 11/196:35 amBHD - BWI
1 stop17h 10mBritish Airways
Sat 11/228:21 pmBWI - BHD
2 stops35h 54mBritish Airways
Deal found 11/5$1,008
This British Airways deal was found by Cheapflights users on 11/5. 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 11/2010:40 amBHD - IAD
1 stop14h 15mBritish Airways
Sun 11/231:58 pmIAD - BHD
2 stops15h 22mBritish Airways
Deal found 11/5$1,015

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 November 6, 2025.

Round-trip from

$706
(Mytrip)

One-way from

$526
(Kiwi.com)
From Northern Ireland to Washington, D.C. (WAS)
One-way flight from Northern Ireland to Washington, D.C. (WAS)

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 November 6, 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

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Wed 12/3

7:10 am-3:15 pm

3 stops37h 05m

Washington, D.C. Dulles Intl

Wed 12/10

10:30 pm-8:20 pm

2 stops16h 50m

$706

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 12/3

2:15 pm-3:15 pm

3 stops30h 00m

Washington, D.C. Dulles Intl

Wed 12/10

9:45 pm-7:20 pm

1 stop16h 35m

$841

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 12/3

6:30 am-4:05 pm

1 stop14h 35m

Washington, D.C. Dulles Intl

Wed 12/10

5:03 pm-4:50 pm

2 stops18h 47m

$915

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 12/3

6:30 am-4:05 pm

1 stop14h 35m

Washington, D.C. Dulles Intl

Wed 12/10

6:05 pm-9:00 pm

1 stop21h 55m

$915

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 12/3

6:30 am-10:57 pm

2 stops21h 27m

Washington, D.C. Reagan-National

Wed 12/10

12:32 pm-4:50 pm

2 stops23h 18m

$921

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Wed 3/4

11:25 am-10:59 pm

2 stops16h 34m

Baltimore/Washington

Wed 3/11

9:35 pm-2:15 pm

1 stop12h 40m

$934

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 12/4

6:35 am-6:54 pm

2 stops17h 19m

Washington, D.C. Reagan-National

Mon 12/8

12:42 pm-10:40 am

2 stops16h 58m

$951

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Fri 3/6

8:45 am-6:45 pm

1 stop15h 00m

Baltimore/Washington

Tue 3/10

9:35 pm-11:30 am

1 stop9h 55m

$967

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 11/20

6:35 am-3:35 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Mon 11/24

9:45 pm-4:05 pm

1 stop13h 20m

$971

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 11/19

6:35 am-7:55 pm

1 stop18h 20m

Washington, D.C. Dulles Intl

Sun 11/23

1:58 pm-10:20 am

2 stops15h 22m

$976

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 44 results
1
2
3
...
5

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 35m. Delta provides one of the quickest options available for as low as $915. The distance from Northern Ireland to Washington, D.C. is about 3390 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.?

  • 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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.