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Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from £692

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BHD
24 Apr — 1 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Reagan-National to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Reagan-National to Belfast
Explore the most affordable flight options available from Reagan-National to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2026.

Wed 2/914:54
DCA
-
BHD
2 stops17h 41m
British Airways
Mon 12/1019:35
BHD
-
DCA
2 stops27h 52m
British Airways
Deal found 24/3£692
Tue 25/814:54
DCA
-
BHD
2 stops14h 51m
British Airways
Wed 2/910:05
BHD
-
DCA
2 stops15h 11m
British Airways
Deal found 23/3£702
Tue 21/417:25
DCA
-
BHD
2 stops12h 20m
American Airlines
Tue 28/409:40
BHD
-
DCA
2 stops16h 50m
American Airlines
Deal found 22/3£710
Wed 2/914:54
DCA
-
BHD
2 stops17h 41m
British Airways
Mon 7/919:35
BHD
-
DCA
2 stops30h 48m
British Airways
Deal found 21/3£725
Mon 27/417:31
DCA
-
BHD
2 stops14h 24m
British Airways
Wed 6/511:35
BHD
-
DCA
2 stops15h 40m
British Airways
Deal found 23/3£729
Wed 26/813:45
DCA
-
BHD
2 stops14h 35m
KLM
Wed 2/909:50
BHD
-
DCA
2 stops17h 00m
KLM
Deal found 23/3£738
Mon 24/817:30
DCA
-
BHD
2 stops14h 25m
British Airways
Mon 31/806:30
BHD
-
DCA
2 stops16h 57m
British Airways
Deal found 22/3£739
Tue 28/412:59
DCA
-
BHD
2 stops15h 21m
KLM
Wed 6/509:50
BHD
-
DCA
2 stops15h 43m
KLM
Deal found 23/3£761
Sun 6/914:54
DCA
-
BHD
2 stops14h 36m
British Airways
Sun 13/913:10
BHD
-
DCA
2 stops14h 52m
British Airways
Deal found 23/3£761
Fri 17/417:31
DCA
-
BHD
2 stops16h 59m
British Airways
Thu 23/406:30
BHD
-
DCA
2 stops15h 15m
British Airways
Deal found 20/3£766
Tue 21/409:40
DCA
-
BFS
2 stops22h 15m
Multiple Airlines
Tue 28/405:55
BFS
-
DCA
3 stops21h 48m
Multiple Airlines
Deal found 22/3£777
Tue 24/1115:59
DCA
-
BHD
2 stops13h 31m
British Airways
Mon 30/1109:15
BHD
-
DCA
2 stops16h 43m
British Airways
Deal found 21/3£778

Find flight deals from Reagan-National to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Belfast (BF1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 March 2026.

Round-trip from

£692
British Airways
  • British Airways
  • 2/9-12/10
  • 4 total stops
  • 45h 33m total
  • Washington, D.C. to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Reagan-National to Belfast 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 25 March 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 2/9

14:54-13:35

2 stops17h 41m

Belfast City

Mon 12/10

19:35-18:27

2 stops27h 52m

£692

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 2/9

14:54-13:35

2 stops17h 41m

Belfast City

Mon 7/9

19:35-21:23

2 stops30h 48m

£725

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 28/4

13:40-09:20

2 stops14h 40m

Belfast City

Tue 5/5

09:50-22:22

2 stops17h 32m

£761

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 28/4

12:59-09:20

2 stops15h 21m

Belfast City

Wed 6/5

09:50-20:33

2 stops15h 43m

£761

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 17/4

17:31-15:30

2 stops16h 59m

Belfast City

Thu 23/4

06:30-16:45

2 stops15h 15m

£766

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Tue 21/4

09:40-12:55

2 stops22h 15m

Belfast Intl

Tue 28/4

05:55-22:43

3 stops21h 48m

£777

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 19/4

17:40-13:25

2 stops14h 45m

Belfast City

Sun 26/4

06:30-18:48

2 stops17h 18m

£784
Fastest return journey

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 15/8

14:54-10:05

2 stops14h 11m

Belfast City

Sat 22/8

09:35-21:23

2 stops16h 48m

£799

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 27/5

06:00-14:30

3 stops27h 30m

Belfast City

Sun 31/5

07:00-22:28

2 stops20h 28m

£876

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 27/5

15:00-12:00

2 stops16h 00m

Belfast City

Mon 1/6

19:35-21:30

2 stops30h 55m

£878

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 13 resultsSorted by cheapest first
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Best time to book a flight from Reagan-National to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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 Belfast
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 Belfast. 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 Belfast?

    Airlines like British Airways and KLM fly from Washington, D.C. Reagan-National Airport to Belfast in about 14h 40m. The time it takes to get you to your destination can typically vary by up to 3h 01m. The distance from Washington, D.C. Reagan-National Airport to Belfast is about 3378 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Belfast 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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Complete your trip

Complete your trip to Belfast by adding a car hire and/or hotel booking to your travel itinerary.
Belfast car hire
Belfast Intl Airport car hire
Londonderry Eglinton Airport car hire
Isle of Islay Glenegedale Airport car hire
Londonderry car hire

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