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Cheap flights from Northern Ireland to Washington, D.C. Reagan-National Airport from £695

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DCA
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Reagan-National

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Reagan-National
Explore the most affordable flight options available from Northern Ireland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 August 2026.

Wed 14/1006:30
BHD
-
DCA
2 stops19h 29m
British Airways
Sun 18/1015:17
DCA
-
BHD
2 stops14h 13m
British Airways
Deal found 30/7£695
Fri 28/806:30
BHD
-
DCA
2 stops15h 51m
American Airlines
Fri 4/919:08
DCA
-
BHD
2 stops15h 22m
American Airlines
Deal found 30/7£757
Fri 28/807:20
BFS
-
DCA
3 stops19h 28m
Multiple Airlines
Fri 4/906:59
DCA
-
BFS
3 stops26h 51m
Multiple Airlines
Deal found 30/7£830
Fri 28/807:00
BHD
-
DCA
3 stops44h 31m
Multiple Airlines
Fri 4/906:59
DCA
-
BHD
3 stops25h 11m
Multiple Airlines
Deal found 30/7£863
Sun 13/907:10
BFS
-
DCA
2 stops17h 49m
Multiple Airlines
Sun 20/906:59
DCA
-
BFS
2 stops30h 51m
Multiple Airlines
Deal found 30/7£946

Find flight deals from Northern Ireland to Reagan-National

Keep the following information in mind while searching for Northern Ireland to Reagan-National flight deals. Data was last updated 4 August 2026.

Round-trip from

£656
26/8-2/9
  • 26/8-2/9
  • 5 total stops
  • 48h 49m total
  • Northern Ireland to Washington, D.C.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland 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 4 August 2026.
Use the filters below to find and compare flights from Northern Ireland 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

Wed 14/10

06:30-20:59

2 stops19h 29m

Washington, D.C. Reagan-National

Sun 18/10

15:17-10:30

2 stops14h 13m

£695
Fastest return journey

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 5/11

07:40-19:59

2 stops17h 19m

Washington, D.C. Reagan-National

Mon 9/11

14:56-10:40

2 stops14h 44m

£698

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Fri 28/8

07:20-21:48

3 stops19h 28m

Washington, D.C. Reagan-National

Fri 4/9

06:59-14:50

3 stops26h 51m

£830

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 28/8

07:00-22:31

3 stops44h 31m

Washington, D.C. Reagan-National

Fri 4/9

06:59-13:10

3 stops25h 11m

£863

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Sun 13/9

07:10-19:59

2 stops17h 49m

Washington, D.C. Reagan-National

Sun 20/9

06:59-18:50

2 stops30h 51m

£946
Cheapest one-way

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Sun 9/8

06:05-19:57

3 stops42h 52m

£854
Fastest single journey

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 9/8

09:50-22:05

2 stops17h 15m

£1,073

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 9/8

17:25-23:33

3 stops35h 08m

£1,386

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 9/8

12:25-21:13

2 stops37h 48m

£1,474

Flights are sorted by cheapest return flights first.

Deals found on 1/8

Sorted by cheapest first

Best time to book a flight from Northern Ireland to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Northern Ireland 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 Northern Ireland 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 Northern Ireland 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 Northern Ireland to Washington, D.C. Reagan-National Airport?

    Airlines like British Airways fly from Northern Ireland to Washington, D.C. Reagan-National Airport in about 17h 19m. The time it takes to get you to your destination can typically vary by up to . The distance between Northern Ireland and Washington, D.C. Reagan-National Airport is about 3378 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland 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
Gaithersburg
Oxon Hill
Hanover
Woodbridge
Springfield
Alexandria

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland 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 Baltimore flights
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Belfast Intl to Baltimore flights
Aberdeen to Dulles Intl flights
Aberdeen to Baltimore flights
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Aberdeen to Reagan-National flights
Norwich to Baltimore flights
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Bristol to Reagan-National flights
Cardiff to Dulles Intl flights
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Cardiff to Reagan-National flights

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How does Cheapflights help users find flights from Northern Ireland to Reagan-National?

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Northern Ireland to Reagan-National, users can toggle the no change fees filter when performing a flight search.

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