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Cheap flights from Belfast to Washington, D.C. Reagan-National Airport from £501

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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — DCA
7 Jun — 14 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Reagan-National

Enter your travel dates to find the best prices.

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 8 May 2026.

Wed 11/1106:35
BHD
-
DCA
2 stops16h 06m
British Airways
Sun 15/1122:15
DCA
-
BHD
2 stops31h 25m
British Airways
Deal found 4/5£705
Thu 12/1106:35
BHD
-
DCA
2 stops15h 16m
British Airways
Sun 15/1122:15
DCA
-
BHD
2 stops31h 25m
British Airways
Deal found 4/5£735
Thu 1/1006:30
BHD
-
DCA
2 stops16h 57m
British Airways
Mon 5/1017:30
DCA
-
BHD
2 stops14h 25m
British Airways
Deal found 2/5£756
Thu 18/620:05
BFS
-
DCA
2 stops24h 33m
Multiple Airlines
Thu 25/606:59
DCA
-
BFS
3 stops30h 56m
Multiple Airlines
Deal found 4/5£760
Tue 23/613:45
BHD
-
DCA
2 stops14h 29m
American Airlines
Tue 11/814:59
DCA
-
BHD
2 stops14h 46m
American Airlines
Deal found 5/5£838
Tue 23/613:45
BHD
-
DCA
2 stops14h 29m
British Airways
Tue 11/813:59
DCA
-
BHD
2 stops15h 46m
British Airways
Deal found 7/5£895
Mon 24/810:05
BFS
-
DCA
2 stops16h 58m
Multiple Airlines
Sat 29/817:00
DCA
-
BFS
2 stops19h 10m
Multiple Airlines
Deal found 4/5£1,614

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 8 May 2026.

Round-trip from

£760

One-way from

£501
18/6-25/6
  • 18/6-25/6
  • 5 total stops
  • 55h 29m total
  • Belfast to Washington, D.C.
Search Deals
21/6
  • 21/6
  • 3 total stops
  • 49h 50m 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 8 May 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 1/10

06:30-18:27

2 stops16h 57m

Washington, D.C. Reagan-National

Mon 5/10

17:30-12:55

2 stops14h 25m

£756

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Thu 18/6

20:05-15:38

2 stops24h 33m

Washington, D.C. Reagan-National

Thu 25/6

06:59-18:55

3 stops30h 56m

£760
Fastest return journey

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 23/6

13:45-23:14

2 stops14h 29m

Washington, D.C. Reagan-National

Tue 11/8

14:59-10:45

2 stops14h 46m

£838

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 23/6

13:45-23:14

2 stops14h 29m

Washington, D.C. Reagan-National

Tue 11/8

13:59-10:45

2 stops15h 46m

£895

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mon 24/8

09:40-20:59

2 stops16h 19m

Washington, D.C. Reagan-National

Sat 29/8

18:59-09:20

2 stops57h 21m

£962

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Mon 24/8

10:05-22:03

2 stops16h 58m

Washington, D.C. Reagan-National

Sat 29/8

17:00-17:10

2 stops19h 10m

£1,614
Cheapest one-way

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Sun 21/6

13:25-10:15

3 stops49h 50m

£501
Fastest single journey

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 21/6

09:50-22:18

2 stops17h 28m

£1,569

Flights are sorted by cheapest return flights first.

Deals found on 7/5

Sorted by cheapest first

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 14h 29m. British Airways provides one of the quickest options available for as low as £838. 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
Gaithersburg
Woodbridge
Arlington
Alexandria

Browse thousands of different options on Cheapflights for your next trip

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