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Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from £259

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BHD
26 Jun — 3 Jul1
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 27 May 2026.

Sun 14/612:45
DCA
-
BFS
3 stops25h 05m
Multiple Airlines
Mon 22/606:30
BFS
-
DCA
3 stops32h 48m
Multiple Airlines
Deal found 24/5£625
Fri 21/806:00
DCA
-
BFS
3 stops29h 30m
Multiple Airlines
Tue 25/805:55
BFS
-
DCA
3 stops20h 53m
Multiple Airlines
Deal found 23/5£672
Tue 7/706:00
DCA
-
BFS
3 stops32h 50m
Multiple Airlines
Mon 13/706:30
BFS
-
DCA
3 stops32h 48m
Multiple Airlines
Deal found 26/5£683
Wed 2/914:59
DCA
-
BHD
2 stops17h 36m
American Airlines
Wed 9/910:05
BHD
-
DCA
2 stops16h 54m
American Airlines
Deal found 27/5£737
Tue 13/1014:55
DCA
-
BHD
2 stops14h 50m
British Airways
Fri 23/1012:00
BHD
-
DCA
2 stops15h 00m
British Airways
Deal found 26/5£738
Fri 21/806:00
DCA
-
BHD
3 stops34h 00m
Multiple Airlines
Tue 25/807:00
BHD
-
DCA
2 stops17h 57m
Multiple Airlines
Deal found 23/5£744
Fri 21/817:22
DCA
-
BHD
2 stops17h 08m
British Airways
Tue 25/809:40
BHD
-
DCA
2 stops16h 19m
British Airways
Deal found 23/5£775
Thu 12/1115:59
DCA
-
BHD
2 stops13h 21m
British Airways
Thu 19/1106:35
BHD
-
DCA
2 stops15h 16m
British Airways
Deal found 27/5£776
Mon 7/906:00
DCA
-
BHD
2 stops21h 50m
British Airways
Sun 13/920:10
BHD
-
DCA
2 stops25h 43m
British Airways
Deal found 26/5£783
Fri 11/906:30
DCA
-
BHD
2 stops21h 20m
British Airways
Wed 16/916:05
BHD
-
DCA
2 stops20h 53m
British Airways
Deal found 23/5£783
Fri 11/917:00
DCA
-
BHD
2 stops18h 55m
Delta
Wed 16/909:50
BHD
-
DCA
2 stops15h 45m
Delta
Deal found 25/5£789
Sun 5/712:40
DCA
-
BFS
3 stops24h 45m
Multiple Airlines
Sun 12/706:45
BFS
-
DCA
3 stops20h 03m
Multiple Airlines
Deal found 25/5£801

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 27 May 2026.

Round-trip from

£625

One-way from

£259
14/6-22/6
  • 14/6-22/6
  • 6 total stops
  • 57h 53m total
  • Washington, D.C. to Belfast
Search Deals
11/9
  • 11/9
  • 3 total stops
  • 34h 50m 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 27 May 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 - BFS

DCABFS

Washington, D.C. Reagan-National

Sun 14/6

06:00-18:50

3 stops31h 50m

Belfast Intl

Mon 22/6

20:35-15:38

2 stops24h 03m

£640

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Fri 21/8

06:00-16:30

3 stops29h 30m

Belfast Intl

Tue 25/8

05:55-21:48

3 stops20h 53m

£672

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Tue 7/7

11:00-19:50

2 stops27h 50m

Belfast Intl

Mon 13/7

06:30-10:18

3 stops32h 48m

£707

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 2/9

14:59-13:35

2 stops17h 36m

Belfast City

Wed 9/9

10:05-21:59

2 stops16h 54m

£737
Fastest return journey

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 13/10

14:55-10:45

2 stops14h 50m

Belfast City

Fri 23/10

12:00-22:00

2 stops15h 00m

£738

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 21/8

06:00-21:00

3 stops34h 00m

Belfast City

Tue 25/8

07:00-19:57

2 stops17h 57m

£744

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 21/8

17:22-15:30

2 stops17h 08m

Belfast City

Tue 25/8

09:40-20:59

2 stops16h 19m

£775

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 2/11

14:00-09:05

2 stops14h 05m

Belfast City

Sat 7/11

06:35-18:51

2 stops17h 16m

£775

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 27/9

13:39-10:30

2 stops15h 51m

Belfast City

Sat 3/10

09:35-20:58

2 stops16h 23m

£775

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 11/9

06:30-08:50

2 stops21h 20m

Belfast City

Wed 16/9

16:05-07:58

2 stops20h 53m

£783

Flights are sorted by cheapest return flights first.

Deals found on 23/5

Showing 1-10 of 24 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 American Airlines and British Airways fly from Washington, D.C. Reagan-National Airport to Belfast in about 14h 50m. The time it takes to get you to your destination can typically vary by up to 2h 46m. 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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