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Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from £534

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BHD
31 8月 — 7 9月1
1 adult

Cheap 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 26 8月 2025.

Round-trip from

£534

Popular in

June

Cheapest in

February

Average price

£458
Delta
  • Delta
  • 26/9-29/9
  • 4 total stops
  • 35h 22m total
  • Washington, D.C. to Belfast
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Highest demand for flights based on searches. 22% potential increase in price (£119 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£24 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Reagan-National to Belfast

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 26 8月 2025.

週五 26/917:00DCA - BHD
2 stops18h 55mDelta
週一 29/906:30BHD - DCA
2 stops16h 27mDelta
Deal found 25/8£534
週四 9/1011:00DCA - BFS
3 stops30h 50mMultiple Airlines
週四 16/1007:00BFS - DCA
3 stops19h 51mMultiple Airlines
Deal found 25/8£633
週六 6/918:25DCA - BHD
2 stops21h 50mDelta
週六 20/1206:30BHD - DCA
2 stops19h 37mDelta
Deal found 25/8£654
週六 13/1215:25DCA - BHD
2 stops20h 20mBritish Airways
週五 19/1219:35BHD - DCA
2 stops31h 21mBritish Airways
Deal found 24/8£687
週一 25/814:54DCA - BHD
2 stops17h 01mBritish Airways
週一 1/919:30BHD - DCA
2 stops25h 25mBritish Airways
Deal found 24/8£724
週二 9/1217:49DCA - BHD
2 stops12h 41mBritish Airways
週六 13/1211:35BHD - DCA
2 stops15h 45mBritish Airways
Deal found 25/8£838
週五 26/918:45DCA - BHD
2 stops13h 10mMultiple Airlines
週六 4/1007:00BHD - DCA
3 stops20h 34mMultiple Airlines
Deal found 25/8£872
週六 6/916:40DCA - BHD
2 stops12h 10mBritish Airways
週六 20/1206:35BHD - DCA
2 stops17h 05mBritish Airways
Deal found 24/8£957
週一 15/915:35DCA - BHD
2 stops20h 55mIberia
週六 20/907:05BHD - DCA
2 stops21h 02mIberia
Deal found 23/8£1,267
週四 28/816:40DCA - BHD
2 stops11h 40mBritish Airways
週六 30/806:55BHD - DCA
2 stops18h 05mBritish Airways
Deal found 24/8£1,431
週一 15/919:23DCA - BHD
2 stops12h 32mBritish Airways
週五 19/911:55BHD - DCA
2 stops15h 05mBritish Airways
Deal found 23/8£2,153

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 26 8月 2025.
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

Reagan-National

Fly to

Belfast

Route

Depart

Return

Price

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

週三 12/11

14:59-16:50

2 stops20h 51m

Belfast City

週日 16/11

06:30-17:00

2 stops15h 30m

£534

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

週五 26/9

13:20-16:55

2 stops22h 35m

Belfast City

週六 4/10

06:30-22:57

2 stops21h 27m

£534

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

週一 22/9

19:55-16:55

2 stops16h 00m

Belfast City

週一 29/9

06:30-17:05

2 stops15h 35m

£534

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

週三 8/10

16:50-16:55

2 stops19h 05m

Belfast City

週日 12/10

06:30-22:07

2 stops20h 37m

£534

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

週三 12/11

16:50-16:50

2 stops19h 00m

Belfast City

週日 16/11

17:20-17:00

2 stops28h 40m

£534

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

週五 26/9

17:00-16:55

2 stops18h 55m

Belfast City

週一 29/9

06:30-17:57

2 stops16h 27m

£534

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

週三 8/10

14:59-16:55

2 stops20h 56m

Belfast City

週日 12/10

06:30-22:07

2 stops20h 37m

£534

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

週四 9/10

11:00-22:50

3 stops30h 50m

Belfast Intl

週四 16/10

07:00-21:51

3 stops19h 51m

£633

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

週六 6/9

18:25-21:15

2 stops21h 50m

Belfast City

週六 20/12

06:30-21:07

2 stops19h 37m

£654

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

週六 13/12

15:25-16:45

2 stops20h 20m

Belfast City

週五 19/12

19:35-21:56

2 stops31h 21m

£687

Flights are sorted by cheapest return flights first.

Deals found on 23/8

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 Virgin Atlantic and Delta fly from Washington, D.C. Reagan-National Airport to Belfast in about 20h 51m. The time it takes to get you to your destination can typically vary by up to 1h 44m. 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.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Belfast?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Belfast (average of £67). Flying from Washington, D.C. Reagan-National Airport to Belfast in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Londonderry car hire

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