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$503+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BHD
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find 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 November 6, 2025.

This Delta deal was found by Cheapflights users on 11/6. 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 11/264:35 pmDCA - BHD
2 stops19h 15mDelta
Wed 12/36:30 amBHD - DCA
2 stops19h 10mDelta
Deal found 11/6$666
This Delta deal was found by Cheapflights users on 11/4. 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 11/124:40 pmDCA - BHD
2 stops19h 10mDelta
Sun 11/165:20 pmBHD - DCA
2 stops29h 40mDelta
Deal found 11/4$667
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 11/152:54 pmDCA - BHD
2 stops13h 16mAmerican Airlines
Sat 11/2211:35 amBHD - DCA
2 stops15h 40mAmerican Airlines
Deal found 11/5$811
This FlightHub deal was found by Cheapflights users on 11/5. 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 12/13:37 pmDCA - BHD
2 stops14h 03mBritish Airways
Fri 12/126:45 amBHD - DCA
2 stops17h 09mBritish Airways
Deal found 11/5$879
This Mytrip deal was found by Cheapflights users on 11/5. 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.
Sat 11/1511:05 amDCA - BFS
3 stops20h 35mMultiple Airlines
Sat 11/229:05 pmBFS - DCA
3 stops27h 40mMultiple Airlines
Deal found 11/5$1,096
This Mytrip deal was found by Cheapflights users on 11/5. 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 12/111:05 amDCA - BHD
3 stops25h 20mMultiple Airlines
Fri 12/127:20 amBHD - DCA
3 stops30h 35mMultiple Airlines
Deal found 11/5$1,180
This oojo deal was found by Cheapflights users on 11/6. 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 12/227:50 pmDCA - BHD
2 stops33h 40mBritish Airways
Fri 1/26:45 amBHD - DCA
2 stops16h 55mBritish Airways
Deal found 11/6$2,761

Cheap 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 November 6, 2025.

Round-trip from

$652
(FlightHub)

One-way from

$503
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$705
From Washington, D.C. Reagan-National to Belfast
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One-way flight from Washington, D.C. Reagan-National to Belfast
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 6, 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 1/5

2:35 pm-4:05 pm

2 stops20h 30m

Belfast City

Wed 1/14

6:35 am-9:24 pm

2 stops19h 49m

$652

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 3/16

4:12 pm-10:40 am

2 stops14h 28m

Belfast City

Sun 3/22

6:30 am-4:29 pm

2 stops13h 59m

$653

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 12/1

5:03 pm-9:00 pm

2 stops22h 57m

Belfast City

Fri 12/12

6:30 am-10:12 pm

2 stops20h 42m

$666

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/26

4:35 pm-4:50 pm

2 stops19h 15m

Belfast City

Wed 12/3

6:30 am-9:41 pm

2 stops20h 11m

$666

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 3/27

5:23 pm-10:30 am

2 stops13h 07m

Belfast City

Sat 4/4

7:05 am-5:09 pm

2 stops15h 04m

$670

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 4/1

12:00 pm-4:55 pm

2 stops23h 55m

Belfast City

Sun 4/5

5:25 pm-5:27 pm

2 stops29h 02m

$801

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 12/1

3:37 pm-10:40 am

2 stops14h 03m

Belfast City

Fri 12/12

6:45 am-6:54 pm

2 stops17h 09m

$879

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 12/1

11:05 am-5:25 pm

3 stops25h 20m

Belfast City

Fri 12/12

7:20 am-8:55 am

3 stops30h 35m

$1,180

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 12/22

7:50 pm-10:30 am

2 stops33h 40m

Belfast City

Fri 1/2

6:45 am-6:40 pm

2 stops16h 55m

$2,761

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sat 3/28

4:10 pm-8:05 pm

3 stops23h 55m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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, American Airlines, and Delta can get you from Washington, D.C. Reagan-National Airport to Belfast in just under 14h 28m. Your travel time can differ by up to 8h 29m. 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.

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