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Cheap flights from Belfast to Washington, D.C. Reagan-National Airport from £500

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DCA
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find flight deals from Belfast to Reagan-National

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Cheapest flights from Belfast to Reagan-National
Explore the most affordable flight options available from Belfast to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Thu 4/1211:05BHD - DCA
2 stops15h 25mAmerican Airlines
Mon 8/1217:22DCA - BHD
2 stops15h 53mAmerican Airlines
Deal found 14/10£721

Cheap flight deals from Belfast to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Reagan-National (DCA). 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 17 October 2025.

Round-trip from

£721

One-way from

£500
American Airlines
  • American Airlines
  • 4/12-8/12
  • 4 total stops
  • 31h 18m total
  • Belfast to Washington, D.C.
Search Deals
15/12
  • 15/12
  • 3 total stops
  • 56h 45m total
  • Belfast to Washington, D.C.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Reagan-National 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 17 October 2025.
Use the filters below to find and compare flights from Belfast to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Belfast

Fly to

Reagan-National

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 4/12

11:05-21:30

2 stops15h 25m

Washington, D.C. Reagan-National

Mon 8/12

17:22-14:15

2 stops15h 53m

£721

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 5/3

09:05-18:14

2 stops14h 09m

Washington, D.C. Reagan-National

Mon 9/3

13:10-10:40

2 stops17h 30m

£732

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 1/4

06:30-18:06

2 stops16h 36m

Washington, D.C. Reagan-National

Sun 5/4

17:00-16:55

2 stops18h 55m

£1,241

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Mon 15/12

12:40-16:25

3 stops56h 45m

£500

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mon 15/12

11:30-21:30

2 stops15h 00m

£558

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Best time to book a flight from Belfast to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Belfast 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 Belfast to Washington, D.C. Reagan-National Airport
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Related info for your journey

Find useful and relevant information for your journey from Belfast to Reagan-National. 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 Belfast to Washington, D.C. Reagan-National Airport?

    A quick flight from Belfast to Washington, D.C. Reagan-National Airport can take about 15h 25m. American Airlines provides one of the quickest options available for as low as £721. The distance from Belfast to Washington, D.C. Reagan-National Airport is about 3378 mi.

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

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

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

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

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

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

Travelling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
Alexandria
College Park
Tysons

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Alternative routes for Belfast to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
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Belfast City to Reagan-National flights
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Belfast City to Baltimore flights

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Can Cheapflights find flights from Belfast to Reagan-National with no change fees?

Need flexible booking options for your flight to Reagan-National from Belfast? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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