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Cheap flights from Washington, D.C. Reagan-National Airport to Northern Ireland from £536

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BFS
27 Aug — 3 Sep1
1 adult

Cheap flight deals from Reagan-National to Northern Ireland

Keep the following information in mind while searching for Reagan-National to Northern Ireland flight deals. Data was last updated 22 August 2025.

Round-trip from

£536

Popular in

June

Cheapest in

February

Average price

£460
Delta
  • Delta
  • 26/9-29/9
  • 4 total stops
  • 39h 36m total
  • Washington, D.C. to Northern Ireland
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£119 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Reagan-National to Northern Ireland

Cheapest flights from Reagan-National to Northern Ireland
Explore the most affordable flight options available from Reagan-National to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Fri 26/917:00DCA - BHD
2 stops18h 55mDelta
Mon 29/906:30BHD - DCA
2 stops20h 41mDelta
Deal found 21/8£536
Wed 8/1017:00DCA - BHD
2 stops23h 15mVirgin Atlantic
Sun 12/1006:30BHD - DCA
2 stops15h 40mVirgin Atlantic
Deal found 20/8£537
Fri 19/914:53DCA - BHD
2 stops24h 52mBritish Airways
Fri 26/906:45BHD - DCA
2 stops18h 15mBritish Airways
Deal found 20/8£617
Fri 26/919:30DCA - BHD
2 stops16h 25mKLM
Mon 29/906:30BHD - DCA
2 stops15h 35mKLM
Deal found 19/8£619
Sat 6/913:30DCA - BHD
2 stops26h 15mBritish Airways
Sat 20/1211:35BHD - DCA
2 stops17h 22mBritish Airways
Deal found 21/8£659
Wed 8/1017:59DCA - BHD
2 stops14h 31mMultiple Airlines
Mon 13/1013:50BHD - DCA
2 stops14h 07mMultiple Airlines
Deal found 21/8£759
Thu 25/1212:26DCA - BHD
2 stops23h 24mDelta
Fri 2/106:30BHD - DCA
2 stops19h 37mDelta
Deal found 21/8£817
Thu 25/1212:26DCA - BHD
2 stops23h 24mDelta
Sat 3/106:30BHD - DCA
2 stops19h 37mDelta
Deal found 21/8£903
Thu 28/814:54DCA - BHD
2 stops15h 16mBritish Airways
Mon 1/919:30BHD - DCA
2 stops32h 48mBritish Airways
Deal found 19/8£3,096

Cheapflights Fare Finder

 
Customise your flight search to find flights from Reagan-National to Northern Ireland 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 22 August 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Northern Ireland that are best for you.

Fly from

Reagan-National

Fly to

Northern Ireland

Route

Depart

Return

Price

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 12/11

17:15-16:50

2 stops18h 35m

Belfast City

Sun 16/11

06:30-17:27

2 stops15h 57m

£536

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 9/10

19:55-21:15

2 stops20h 20m

Belfast City

Mon 13/10

06:30-23:04

2 stops21h 34m

£536

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 8/10

13:15-16:55

2 stops22h 40m

Belfast City

Sun 12/10

06:30-17:10

2 stops15h 40m

£536

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 26/9

17:00-16:55

2 stops18h 55m

Belfast City

Mon 29/9

06:30-22:11

2 stops20h 41m

£536

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 19/9

14:53-20:45

2 stops24h 52m

Belfast City

Fri 26/9

06:45-20:00

2 stops18h 15m

£617

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 26/9

19:30-16:55

2 stops16h 25m

Belfast City

Mon 29/9

06:30-17:05

2 stops15h 35m

£619

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 12/11

17:15-16:50

2 stops18h 35m

Belfast City

Sun 16/11

17:20-16:32

2 stops28h 12m

£619

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 6/9

13:30-20:45

2 stops26h 15m

Belfast City

Sat 20/12

09:15-23:57

2 stops19h 42m

£659

Flights are sorted by cheapest return flights first.

Deals found on 21/8

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

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

    Airlines like Virgin Atlantic and Delta fly from Washington, D.C. Reagan-National Airport to Northern Ireland in about 18h 35m. The time it takes to get you to your destination can typically vary by up to 1h 45m. The distance from Washington, D.C. Reagan-National Airport to Northern Ireland is about 3378 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Northern Ireland 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 Washington, D.C. Reagan-National Airport to Northern Ireland?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Northern Ireland (average of £67). Flying from Washington, D.C. Reagan-National Airport to Northern Ireland in July is currently the most expensive (average of £90). 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

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Alternative routes for Reagan-National to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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