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$376+ Cheap flights from Reagan-National (DCA) to Northern Ireland

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BFS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$722
(Virgin Atlantic)

One-way from

$376
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$633
From Washington, D.C. Reagan-National to Northern Ireland
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One-way flight from Washington, D.C. Reagan-National to Northern Ireland
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Highest demand for flights based on searches. 22% potential increase in price ($217 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:50 pmDCA - BHD
2 stops19h 00mDelta
Sun 11/236:30 amBHD - DCA
2 stops15h 30mDelta
Deal found 9/10$722
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:00 pmDCA - BHD
2 stops23h 15mDelta
Sun 10/125:25 pmBHD - DCA
2 stops27h 35mDelta
Deal found 9/9$797
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/82:55 pmDCA - BHD
2 stops17h 35mAmerican Airlines
Sun 10/126:50 amBHD - DCA
2 stops19h 25mAmerican Airlines
Deal found 9/10$844
This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:10 amDCA - BHD
2 stops21h 30mMultiple Airlines
Thu 10/97:05 amBHD - DCA
2 stops20h 59mMultiple Airlines
Deal found 9/10$869
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:10 amDCA - BFS
2 stops22h 55mMultiple Airlines
Thu 10/96:10 amBFS - DCA
2 stops32h 56mMultiple Airlines
Deal found 9/11$885
This Gurufare deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:06 pmDCA - BHD
2 stops34h 04mFinnair
Tue 10/144:25 pmBHD - DCA
2 stops35h 32mFinnair
Deal found 9/9$1,145
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:30 pmDCA - BHD
2 stops12h 50mBritish Airways
Wed 11/512:25 pmBHD - DCA
2 stops14h 05mBritish Airways
Deal found 9/11$9,389

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 11, 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 11/19

5:03 pm-9:00 pm

2 stops22h 57m

Belfast City

Sun 11/23

6:30 am-5:00 pm

2 stops15h 30m

$722

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/19

4:50 pm-4:50 pm

2 stops19h 00m

Belfast City

Sun 11/23

6:30 am-5:00 pm

2 stops15h 30m

$722

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 10/8

5:00 pm-9:15 pm

2 stops23h 15m

Belfast City

Sun 10/12

5:25 pm-4:00 pm

2 stops27h 35m

$797

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 9/26

11:10 am-1:40 pm

2 stops21h 30m

Belfast City

Thu 10/9

7:05 am-11:04 pm

2 stops20h 59m

$869

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Fri 9/26

11:10 am-3:05 pm

2 stops22h 55m

Belfast Intl

Thu 10/9

6:10 am-10:06 am

2 stops32h 56m

$885

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 10/10

7:06 pm-10:10 am

2 stops34h 04m

Belfast City

Tue 10/14

4:25 pm-10:57 pm

2 stops35h 32m

$1,145

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 10/30

5:30 pm-10:20 am

2 stops12h 50m

Belfast City

Wed 11/5

12:25 pm-9:30 pm

2 stops14h 05m

$9,389

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Fri 10/17

6:05 am-10:35 pm

3 stops35h 30m

$376

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 10/17

7:06 pm-3:30 pm

2 stops15h 24m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 round-trip 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?

    Departing from Washington, D.C. Reagan-National Airport to Northern Ireland will take you 19h. The distance from Washington, D.C. Reagan-National Airport to Northern Ireland is about 3378 mi. This flight may include one or multiple 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 vacation 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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Northern Ireland (average of $657). Flying from Washington, D.C. Reagan-National Airport to Northern Ireland in June is currently the most expensive (average of $1,189). 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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