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$434+ Cheap flights from Reagan-National (DCA) to Northern Ireland

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BFS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Reagan-National to Northern Ireland

Cheapest flights from Reagan-National to Northern Ireland
Explore the most affordable flight options available from Reagan-National to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:25 pmDCA - BHD
2 stops17h 50mBritish Airways
Sun 1/48:25 pmBHD - DCA
2 stops27h 15mBritish Airways
Deal found 12/11$1,734

Find flight deals from Reagan-National to Northern Ireland

Keep the following information in mind while searching for Reagan-National to Northern Ireland flight deals. Data was last updated December 12, 2025.

Round-trip from

$642
(oojo)

One-way from

$434
(oojo)
From Washington, D.C. Reagan-National to Northern Ireland
Search Deals
One-way flight from Washington, D.C. Reagan-National to Northern Ireland
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Northern Ireland 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 December 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Northern Ireland that are best for you.

Fly from

Reagan-National

Fly to

Northern Ireland

Route

Depart

Return

Price

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 3/26

4:23 pm-10:20 am

2 stops13h 57m

Belfast City

Mon 3/30

11:35 am-10:16 pm

2 stops15h 41m

$642

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 1/8

6:34 pm-2:00 pm

2 stops14h 26m

Belfast City

Thu 1/22

10:40 am-10:03 pm

2 stops16h 23m

$664

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 3/16

4:23 pm-10:40 am

2 stops14h 17m

Belfast City

Sun 3/22

12:10 pm-10:00 am

2 stops25h 50m

$668

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 2/11

5:55 pm-4:35 pm

2 stops17h 40m

Belfast City

Sun 2/15

12:10 pm-11:50 pm

2 stops16h 40m

$858

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 3/4

1:54 pm-9:10 am

2 stops14h 16m

Belfast City

Sun 3/8

9:10 am-10:00 pm

2 stops16h 50m

$858

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sun 1/25

4:15 pm-1:50 pm

2 stops16h 35m

Belfast Intl

Sun 2/1

6:30 am-10:35 pm

3 stops21h 05m

$938

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 12/27

3:25 pm-2:15 pm

2 stops17h 50m

Belfast City

Sun 1/4

8:25 pm-6:40 pm

2 stops27h 15m

$1,734

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 2/4

12:10 pm-9:10 am

2 stops16h 00m

$434

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 2/13

5:59 pm-2:15 pm

2 stops15h 16m

$484

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 12/17

8:19 am-8:50 pm

2 stops31h 31m

$816

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 12 results
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Best time to book a flight from Reagan-National to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Reagan-National 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 Washington, D.C. Reagan-National Airport to Northern Ireland
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 Reagan-National to Northern Ireland. 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 Washington, D.C. Reagan-National Airport to Northern Ireland?

    Departing from Washington, D.C. Reagan-National Airport to Northern Ireland will take you 13h 57m. The distance from Washington, D.C. Reagan-National Airport to Northern Ireland is about 3378 mi.

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

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

  • Can I find deals for flights from Reagan-National to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Northern Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Northern Ireland?

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

  • Can I find deals for business class flights from Reagan-National to Northern Ireland?

    Yes. Cheapflights offers flight deals from Reagan-National to Northern Ireland 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

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