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Cheap flights from Washington, D.C. Reagan-National Airport to Northern Ireland from £268

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BFS
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Reagan-National to Northern Ireland

Enter your travel dates to find the best prices.

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 21 January 2026.

Tue 17/316:34
DCA
-
BHD
2 stops14h 56m
British Airways
Tue 24/308:45
BHD
-
DCA
2 stops15h 58m
British Airways
Deal found 20/1£426
Sat 9/522:00
DCA
-
BHD
2 stops29h 40m
British Airways
Thu 21/509:35
BHD
-
DCA
2 stops16h 24m
British Airways
Deal found 19/1£439
Sun 15/214:16
DCA
-
BHD
2 stops15h 04m
British Airways
Sat 28/211:35
BHD
-
DCA
2 stops14h 55m
British Airways
Deal found 20/1£452
Wed 4/313:43
DCA
-
BHD
2 stops15h 32m
British Airways
Sun 8/312:10
BHD
-
DCA
2 stops23h 35m
British Airways
Deal found 19/1£477
Mon 16/306:20
DCA
-
BHD
2 stops22h 45m
British Airways
Sun 22/306:55
BHD
-
DCA
2 stops18h 06m
British Airways
Deal found 19/1£480
Fri 24/415:16
DCA
-
BHD
2 stops21h 54m
British Airways
Tue 28/406:30
BHD
-
DCA
2 stops20h 45m
British Airways
Deal found 18/1£488
Sat 4/416:00
DCA
-
BHD
2 stops13h 05m
British Airways
Sat 11/409:35
BHD
-
DCA
2 stops27h 11m
British Airways
Deal found 20/1£490
Fri 27/306:05
DCA
-
BHD
2 stops27h 20m
British Airways
Fri 3/416:25
BHD
-
DCA
2 stops20h 20m
British Airways
Deal found 18/1£556
Wed 15/714:59
DCA
-
BHD
2 stops19h 41m
British Airways
Tue 11/820:25
BHD
-
DCA
2 stops27h 02m
British Airways
Deal found 20/1£583
Fri 6/311:06
DCA
-
BFS
3 stops20h 59m
Multiple Airlines
Fri 13/310:35
BFS
-
DCA
3 stops17h 09m
Multiple Airlines
Deal found 20/1£847

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 21 January 2026.

Round-trip from

£426

One-way from

£268
British Airways
  • British Airways
  • 17/3-24/3
  • 4 total stops
  • 30h 54m total
  • Washington, D.C. to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 9/2
  • 2 total stops
  • 15h 56m total
  • Washington, D.C. to Northern Ireland
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 21 January 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

Tue 17/3

16:34-11:30

2 stops14h 56m

Belfast City

Tue 24/3

08:45-20:43

2 stops15h 58m

£426

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 15/2

14:16-10:20

2 stops15h 04m

Belfast City

Sat 28/2

11:35-21:30

2 stops14h 55m

£452

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 9/5

13:45-10:05

2 stops15h 20m

Belfast City

Thu 21/5

09:35-17:06

2 stops36h 31m

£468

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 4/3

14:16-10:15

2 stops14h 59m

Belfast City

Sun 8/3

09:10-22:00

2 stops16h 50m

£477

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 16/3

06:20-09:05

2 stops22h 45m

Belfast City

Sun 22/3

06:55-21:01

2 stops18h 06m

£480

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 24/4

15:16-18:10

2 stops21h 54m

Belfast City

Tue 28/4

06:30-22:15

2 stops20h 45m

£488

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 27/3

06:05-13:25

2 stops27h 20m

Belfast City

Fri 3/4

16:25-07:45

2 stops20h 20m

£556

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 15/7

14:59-15:40

2 stops19h 41m

Belfast City

Tue 11/8

20:25-18:27

2 stops27h 02m

£583

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 18/7

13:24-10:05

2 stops15h 41m

Belfast City

Mon 27/7

19:35-21:30

2 stops30h 55m

£641

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Fri 6/3

11:06-13:05

3 stops20h 59m

Belfast Intl

Fri 13/3

10:35-23:44

3 stops17h 09m

£847

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 14 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 return 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?

    Airlines like British Airways fly from Washington, D.C. Reagan-National Airport to Northern Ireland in about 14h 56m. The time it takes to get you to your destination can typically vary by up to . The distance from Washington, D.C. Reagan-National Airport to Northern Ireland is about 3378 mi.

  • 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 holiday 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

See prices for flight routes from nearby airports that may be better suited for you.
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