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$659+ Cheap flights from Reagan-National (DCA) to Northern Ireland

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BFS
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 1/265:45 pm
DCA
-
BHD
2 stops15h 30m
American Airlines
Sun 2/110:40 am
BHD
-
DCA
2 stops16h 23m
American Airlines
Deal found 1/26$659
This KLM deal was found by Cheapflights users on 1/26. 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 1/277:30 pm
DCA
-
BHD
2 stops16h 20m
KLM
Sun 2/15:20 pm
BHD
-
DCA
2 stops28h 09m
KLM
Deal found 1/26$682
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/164:34 pm
DCA
-
BHD
2 stops14h 06m
British Airways
Sun 3/228:25 pm
BHD
-
DCA
2 stops28h 18m
British Airways
Deal found 1/26$772
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:45 pm
DCA
-
BHD
2 stops15h 20m
British Airways
Sun 5/171:10 pm
BHD
-
DCA
2 stops32h 19m
British Airways
Deal found 1/26$827
This British Airways deal was found by Cheapflights users on 1/26. 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 3/412:00 pm
DCA
-
BHD
2 stops16h 10m
British Airways
Sun 3/812:10 pm
BHD
-
DCA
2 stops23h 35m
British Airways
Deal found 1/26$861
This British Airways deal was found by Cheapflights users on 1/25. 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.
Fri 4/246:46 am
DCA
-
BHD
2 stops27h 44m
British Airways
Tue 4/288:25 pm
BHD
-
DCA
2 stops30h 50m
British Airways
Deal found 1/25$877
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:43 pm
DCA
-
BHD
2 stops12h 27m
British Airways
Sun 5/1711:00 am
BHD
-
DCA
2 stops16h 17m
British Airways
Deal found 1/27$890
This FlightHub deal was found by Cheapflights users on 1/26. 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.
Wed 7/152:59 pm
DCA
-
BHD
2 stops16h 01m
British Airways
Mon 8/107:35 pm
BHD
-
DCA
2 stops29h 07m
British Airways
Deal found 1/26$939
This Mytrip deal was found by Cheapflights users on 1/26. 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.
Thu 3/126:00 am
DCA
-
BFS
3 stops34h 25m
Multiple Airlines
Thu 3/197:05 am
BFS
-
DCA
3 stops19h 30m
Multiple Airlines
Deal found 1/26$1,273

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 January 28, 2026.

Round-trip from

$772
(oojo)
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 January 28, 2026.
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

Mon 3/16

4:34 pm-10:40 am

2 stops14h 06m

Belfast City

Sun 3/22

8:25 pm-8:43 pm

2 stops28h 18m

$772

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 5/9

1:45 pm-10:05 am

2 stops15h 20m

Belfast City

Sun 5/17

1:10 pm-4:29 pm

2 stops32h 19m

$827

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 3/4

4:34 pm-10:15 am

2 stops12h 41m

Belfast City

Sun 3/8

9:10 am-9:01 pm

2 stops15h 51m

$861

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 4/24

6:46 am-3:30 pm

2 stops27h 44m

Belfast City

Tue 4/28

8:25 pm-10:15 pm

2 stops30h 50m

$877

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 5/14

4:43 pm-10:10 am

2 stops12h 27m

Belfast City

Sun 5/17

11:00 am-10:17 pm

2 stops16h 17m

$890

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Thu 3/12

6:00 am-8:25 pm

3 stops34h 25m

Belfast Intl

Thu 3/19

7:05 am-10:35 pm

3 stops19h 30m

$1,273

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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 14h 06m. 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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Alternative routes for Reagan-National to Northern Ireland

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