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Cheap flights from Belfast to Washington, D.C. Reagan-National Airport from £734

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DCA
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Reagan-National

Enter your travel dates to find the best prices.

Best flights from Belfast to Reagan-National
Discover carefully curated flight deals from Belfast to Reagan-National that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.

Thu 5/310:40BHD - DCA
2 stops17h 20mBritish Airways
Mon 9/317:00DCA - BHD
2 stops13h 40mBritish Airways
Deal found 9/12£734
Thu 12/306:30BHD - DCA
2 stops19h 38mDelta
Tue 17/317:05DCA - BHD
2 stops19h 45mDelta
Deal found 11/12£737
Thu 22/110:40BHD - DCA
2 stops16h 24mBritish Airways
Mon 26/113:35DCA - BHD
2 stops16h 05mBritish Airways
Deal found 9/12£734

Find 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 12 December 2025.

Round-trip from

£734
British Airways
  • British Airways
  • 22/1-26/1
  • 4 total stops
  • 32h 29m total
  • Belfast to Washington, D.C.
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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 12 December 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 5/3

10:40-23:00

2 stops17h 20m

Washington, D.C. Reagan-National

Mon 9/3

17:00-10:40

2 stops13h 40m

£734

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 22/1

10:40-22:04

2 stops16h 24m

Washington, D.C. Reagan-National

Mon 26/1

13:35-10:40

2 stops16h 05m

£734

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 12/3

06:30-22:08

2 stops19h 38m

Washington, D.C. Reagan-National

Tue 17/3

17:05-16:50

2 stops19h 45m

£737

Flights are sorted by cheapest return flights first.

Deals found on 9/12

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
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 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 17h 20m. British Airways provides one of the quickest options available for as low as £734. The distance from Belfast to Washington, D.C. Reagan-National Airport is about 3378 mi. This flight may include one or multiple stops.

  • 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

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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.
Belfast City to Reagan-National flights
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Belfast City to Dulles Intl 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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