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$580+ Cheap flights from Reagan-National (DCA) to Belfast

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BHD
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Reagan-National to Belfast

Best flights from Reagan-National to Belfast
Discover carefully curated flight deals from Reagan-National to Belfast that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/161:30 pmDCA - BHD
2 stops15h 35mBritish Airways
Sun 3/223:10 pmBHD - DCA
2 stops22h 50mBritish Airways
Deal found 12/21$643
This Mytrip deal was found by Cheapflights users on 12/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/46:00 amDCA - BFS
2 stops27h 05mMultiple Airlines
Wed 2/1110:10 amBFS - DCA
3 stops27h 45mMultiple Airlines
Deal found 12/21$823
This Delta deal was found by Cheapflights users on 12/21. 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.
Sun 5/247:00 amDCA - BHD
2 stops21h 20mDelta
Tue 5/269:50 amBHD - DCA
2 stops17h 00mDelta
Deal found 12/21$935
This FlightHub deal was found by Cheapflights users on 12/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:00 pmDCA - BHD
2 stops13h 40mBritish Airways
Sun 3/158:25 pmBHD - DCA
2 stops31h 09mBritish Airways
Deal found 12/21$656
This Mytrip deal was found by Cheapflights users on 12/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:00 amDCA - BFS
3 stops30h 00mMultiple Airlines
Thu 2/127:30 amBFS - DCA
3 stops19h 28mMultiple Airlines
Deal found 12/22$857
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:00 pmDCA - BHD
2 stops13h 30mBritish Airways
Mon 3/2311:30 amBHD - DCA
2 stops14h 00mBritish Airways
Deal found 12/21$787
This British Airways deal was found by Cheapflights users on 12/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:23 pmDCA - BHD
2 stops16h 52mBritish Airways
Sun 3/86:30 amBHD - DCA
2 stops16h 18mBritish Airways
Deal found 12/20$859
This Iberia deal was found by Cheapflights users on 12/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:59 pmDCA - BHD
2 stops16h 21mMultiple Airlines
Sun 6/146:50 amBHD - DCA
2 stops18h 26mMultiple Airlines
Deal found 12/22$1,052
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:55 pmDCA - BHD
2 stops14h 35mBritish Airways
Mon 4/276:40 amBHD - DCA
2 stops14h 14mBritish Airways
Deal found 12/21$969
This oojo deal was found by Cheapflights users on 12/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:34 pmDCA - BHD
2 stops14h 41mBritish Airways
Thu 2/56:35 amBHD - DCA
2 stops15h 15mBritish Airways
Deal found 12/22$976
This oojo deal was found by Cheapflights users on 12/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/263:30 pmDCA - BHD
2 stops14h 10mBritish Airways
Thu 1/296:35 amBHD - DCA
2 stops15h 15mBritish Airways
Deal found 12/22$976

Find flight deals from Reagan-National to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Belfast (BF1). 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 December 23, 2025.

Round-trip from

$643
(oojo)

One-way from

$580
(Mytrip)
From Washington, D.C. Reagan-National to Belfast
Search Deals
One-way flight from Washington, D.C. Reagan-National to Belfast
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Belfast 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 December 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Belfast that are best for you.

Fly from

Reagan-National

Fly to

Belfast

Route

Depart

Return

Price

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 3/16

1:30 pm-9:05 am

2 stops15h 35m

Belfast City

Sun 3/22

3:10 pm-10:00 am

2 stops22h 50m

$643

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 3/9

5:00 pm-10:40 am

2 stops13h 40m

Belfast City

Sun 3/15

8:25 pm-11:34 pm

2 stops31h 09m

$656

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 3/10

5:00 pm-10:30 am

2 stops13h 30m

Belfast City

Mon 3/23

11:30 am-9:30 pm

2 stops14h 00m

$787

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Wed 2/4

6:00 am-2:05 pm

2 stops27h 05m

Belfast Intl

Wed 2/11

10:10 am-8:55 am

3 stops27h 45m

$823

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Thu 2/5

6:00 am-5:00 pm

3 stops30h 00m

Belfast Intl

Thu 2/12

7:30 am-9:58 pm

3 stops19h 28m

$857

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 3/4

12:23 pm-10:15 am

2 stops16h 52m

Belfast City

Sun 3/8

6:30 am-5:48 pm

2 stops16h 18m

$859

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 5/24

7:00 am-9:20 am

2 stops21h 20m

Belfast City

Tue 5/26

9:50 am-9:50 pm

2 stops17h 00m

$935

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 4/24

7:55 pm-3:30 pm

2 stops14h 35m

Belfast City

Mon 4/27

6:40 am-3:54 pm

2 stops14h 14m

$969

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 2/2

6:34 pm-2:15 pm

2 stops14h 41m

Belfast City

Thu 2/5

6:35 am-4:50 pm

2 stops15h 15m

$976

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 1/26

3:30 pm-10:40 am

2 stops14h 10m

Belfast City

Thu 1/29

6:35 am-4:50 pm

2 stops15h 15m

$976

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 12 results
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Best time to book a flight from Reagan-National to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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 Belfast
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 Belfast. 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 Belfast?

    British Airways can get you from Washington, D.C. Reagan-National Airport to Belfast in just under 15h 35m. Your travel time can differ by up to . The distance between Washington, D.C. Reagan-National Airport and Belfast is about 3378 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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