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$258+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BHD
Mar 17 — Mar 241
Tue 3/17
Tue 3/24
1 adult, Economy
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Cheap flight deals from Reagan-National to Belfast

Cheapest flights from Reagan-National to Belfast
Explore the most affordable flight options available from Reagan-National to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.

This American Airlines deal was found by Cheapflights users on 2/13. 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.
Fri 2/272:16 pm
DCA
-
BHD
2 stops15h 14m
American Airlines
Mon 3/211:30 am
BHD
-
DCA
2 stops15h 45m
American Airlines
Deal found 2/13$663
This oojo deal was found by Cheapflights users on 2/12. 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 3/161:48 pm
DCA
-
BHD
2 stops16h 52m
British Airways
Sun 3/228:25 pm
BHD
-
DCA
2 stops24h 12m
British Airways
Deal found 2/12$808
This British Airways deal was found by Cheapflights users on 2/12. 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.
Mon 10/195:30 pm
DCA
-
BHD
2 stops14h 25m
British Airways
Sun 11/112:10 pm
BHD
-
DCA
2 stops16h 46m
British Airways
Deal found 2/12$809
This British Airways deal was found by Cheapflights users on 2/14. 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 3/205:00 pm
DCA
-
BHD
2 stops13h 30m
British Airways
Thu 4/26:30 am
BHD
-
DCA
2 stops17h 25m
British Airways
Deal found 2/14$841
This oojo deal was found by Cheapflights users on 2/12. 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.
Fri 4/310:12 am
DCA
-
BHD
2 stops17h 38m
British Airways
Mon 4/137:35 pm
BHD
-
DCA
2 stops26h 10m
British Airways
Deal found 2/12$873
This Delta deal was found by Cheapflights users on 2/13. 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 3/298:40 am
DCA
-
BHD
2 stops19h 40m
Delta
Mon 4/69:50 am
BHD
-
DCA
2 stops18h 54m
Delta
Deal found 2/13$876
This Delta deal was found by Cheapflights users on 2/13. 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 3/298:40 am
DCA
-
BHD
2 stops19h 40m
Delta
Sun 4/59:50 am
BHD
-
DCA
2 stops27h 10m
Delta
Deal found 2/13$883
This British Airways deal was found by Cheapflights users on 2/14. 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 4/241:45 pm
DCA
-
BHD
2 stops23h 25m
British Airways
Tue 4/287:30 pm
BHD
-
DCA
2 stops29h 49m
British Airways
Deal found 2/14$892
This Delta deal was found by Cheapflights users on 2/15. 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 5/2711:55 am
DCA
-
BHD
2 stops24h 00m
Delta
Tue 6/169:50 am
BHD
-
DCA
2 stops18h 22m
Delta
Deal found 2/15$952
This oojo deal was found by Cheapflights users on 2/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:58 pm
DCA
-
BHD
2 stops15h 42m
British Airways
Thu 7/3012:45 pm
BHD
-
DCA
2 stops15h 25m
British Airways
Deal found 2/11$965
This Mytrip deal was found by Cheapflights users on 2/13. 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.
Mon 3/306:59 am
DCA
-
BFS
3 stops28h 16m
Multiple Airlines
Mon 4/66:10 am
BFS
-
DCA
3 stops34h 51m
Multiple Airlines
Deal found 2/13$1,166
This Mytrip deal was found by Cheapflights users on 2/15. 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 4/16:00 am
DCA
-
BFS
3 stops28h 20m
Multiple Airlines
Wed 4/85:55 am
BFS
-
DCA
2 stops17h 08m
Multiple Airlines
Deal found 2/15$1,257

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 February 15, 2026.

Round-trip from

$655
(American Airlines)

One-way from

$258
(oojo)
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 February 15, 2026.
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

Fri 2/27

2:16 pm-10:30 am

2 stops15h 14m

Belfast City

Mon 3/2

11:30 am-10:15 pm

2 stops15h 45m

$663

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 3/20

5:00 pm-10:30 am

2 stops13h 30m

Belfast City

Thu 4/2

6:30 am-6:55 pm

2 stops17h 25m

$841

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 3/29

8:40 am-9:20 am

2 stops19h 40m

Belfast City

Sun 4/5

9:50 am-8:00 am

2 stops27h 10m

$883

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 3/16

1:48 pm-10:40 am

2 stops16h 52m

Belfast City

Sun 3/22

8:25 pm-8:37 pm

2 stops28h 12m

$886

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 4/24

1:45 pm-6:10 pm

2 stops23h 25m

Belfast City

Tue 4/28

7:30 pm-8:19 pm

2 stops29h 49m

$892

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 5/27

11:55 am-4:55 pm

2 stops24h 00m

Belfast City

Tue 6/16

9:50 am-11:12 pm

2 stops18h 22m

$952

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 6/2

6:09 am-9:20 am

2 stops22h 11m

Belfast City

Wed 6/10

9:50 am-11:12 pm

2 stops18h 22m

$952

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 7/15

6:58 pm-3:40 pm

2 stops15h 42m

Belfast City

Thu 7/30

12:45 pm-11:10 pm

2 stops15h 25m

$965

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 3/31

2:00 pm-4:55 pm

2 stops21h 55m

Belfast City

Mon 4/6

9:50 am-11:44 pm

2 stops18h 54m

$984

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 3/31

2:00 pm-4:55 pm

2 stops21h 55m

Belfast City

Sun 4/5

9:50 am-8:00 am

2 stops27h 10m

$991

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 18 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?

    American Airlines, British Airways, and Delta can get you from Washington, D.C. Reagan-National Airport to Belfast in just under 13h 30m. Your travel time can differ by up to 6h 10m. The distance between Washington, D.C. Reagan-National Airport and Belfast is about 3378 mi. This flight may include one or multiple stops.

  • 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.

See more FAQs

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