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Cheap flights from Northern Ireland to Washington, D.C. Reagan-National Airport from £406

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DCA
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap 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 18 September 2025.

Round-trip from

£496

One-way from

£406
American Airlines
  • American Airlines
  • 4/12-8/12
  • 4 total stops
  • 31h 59m total
  • Northern Ireland to Washington, D.C.
Search Deals
14/10
  • 14/10
  • 3 total stops
  • 32h 49m total
  • Northern Ireland to Washington, D.C.
Search Deals

Find flight deals from Northern Ireland to Reagan-National

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 18 September 2025.

Thu 4/1206:35BHD - DCA
2 stops16h 08mAmerican Airlines
Mon 8/1217:24DCA - BHD
2 stops15h 51mAmerican Airlines
Deal found 14/9£496
Thu 9/1006:30BHD - DCA
2 stops21h 29mDelta
Thu 16/1019:55DCA - BHD
2 stops16h 00mDelta
Deal found 15/9£500
Fri 10/1006:30BHD - DCA
2 stops20h 37mVirgin Atlantic
Sun 12/1016:50DCA - BHD
2 stops47h 25mVirgin Atlantic
Deal found 15/9£565

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 18 September 2025.
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

Northern Ireland

Fly to

Reagan-National

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 4/12

06:35-17:43

2 stops16h 08m

Washington, D.C. Reagan-National

Mon 8/12

17:24-14:15

2 stops15h 51m

£496

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 9/10

06:30-22:59

2 stops21h 29m

Washington, D.C. Reagan-National

Thu 16/10

19:55-16:55

2 stops16h 00m

£500

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 10/10

06:30-22:07

2 stops20h 37m

Washington, D.C. Reagan-National

Sun 12/10

16:50-21:15

2 stops47h 25m

£565

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Tue 14/10

08:15-12:04

3 stops32h 49m

£406

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 14/10

13:40-22:57

2 stops14h 17m

£616

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 2/11

12:10-21:30

2 stops14h 20m

£1,205

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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 American Airlines, Delta, and Virgin Atlantic fly from Northern Ireland to Washington, D.C. Reagan-National Airport in about 16h 08m. The time it takes to get you to your destination can typically vary by up to 5h 21m. The distance between Northern Ireland and 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 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.

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

    Currently, February is the cheapest month in which you can book a flight from Northern Ireland to Washington, D.C. Reagan-National Airport (average of £625). Flying from Northern Ireland to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £855). 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

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
College Park
Tysons

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

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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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