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Cheap flights from Belfast to Washington, D.C. from £710

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Washington, D.C. departing on 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
06:30 - 23:44
BHD
-
DCA
21h 14m
2 stops
Delta Logo
18:30 - 16:40
DCA
-
BHD
18h 10m
2 stops
£710Delta
Mon, 9 Mar - Mon, 16 Mar
British Airways Logo
09:10 - 21:01
BHD
-
DCA
15h 51m
2 stops
British Airways Logo
17:00 - 10:20
DCA
-
BHD
13h 20m
2 stops
£765British Airways
Sun, 8 Mar - Sun, 15 Mar
British Airways Logo
12:25 - 23:50
BHD
-
DCA
16h 25m
2 stops
British Airways Logo
20:45 - 14:15
DCA
-
BHD
36h 30m
2 stops
£944British Airways
Wed, 18 Feb - Sun, 22 Feb

British Airways flights from Belfast to Washington, D.C. Reagan-National Airport

Our best British Airways deals on Belfast to Washington, D.C. Reagan-National Airport flight tickets
British Airways
8 Mar
BHD09:10Belfast City
15h 51m
2 stops
DCA21:01Washington, D.C. Reagan-National
15 Mar
DCA17:00Washington, D.C. Reagan-National
13h 20m
2 stops
BHD10:20Belfast City
£765
British Airways
18 Feb
BHD12:25Belfast City
16h 25m
2 stops
DCA23:50Washington, D.C. Reagan-National
22 Feb
DCA20:45Washington, D.C. Reagan-National
36h 30m
2 stops
BHD14:15Belfast City
£944
British Airways
11 Feb
BHD06:35Belfast City
17h 09m
2 stops
DCA18:44Washington, D.C. Reagan-National
15 Feb
DCA22:45Washington, D.C. Reagan-National
36h 20m
2 stops
BHD16:05Belfast City
£1,038

momondo Fare Finder

 
Customise your flight search to find flights from Belfast to Washington, D.C. Reagan-National Airport 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, momondo users made 279,928 searches. Data last updated 9 February 2026.
Use the filters below to find and compare flights from Belfast to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mon 9/3

06:30-23:44

2 stops21h 14m

Washington, D.C. Reagan-National

Mon 16/3

18:30-16:40

2 stops18h 10m

£710

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 8/3

09:10-21:01

2 stops15h 51m

Washington, D.C. Reagan-National

Sun 15/3

17:00-10:20

2 stops13h 20m

£765

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 18/2

12:25-23:50

2 stops16h 25m

Washington, D.C. Reagan-National

Sun 22/2

20:45-14:15

2 stops36h 30m

£944

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Belfast to Washington, D.C. Reagan-National Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Washington, D.C. Reagan-National Airport

Fastest flight time

14h 43m

Direct flights

None
The fastest flight from Belfast to Washington, D.C. Reagan-National Airport takes 14h 43m
There are no direct flights from Belfast to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Belfast to Washington, D.C. Reagan-National Airport.
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  • How far is Belfast to Washington, D.C. Reagan-National by plane?

    The straight-line distance from Belfast to Washington, D.C. Reagan-National is 3376.1 mi. Flights usually cover this in 14h 43m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Belfast to Washington, D.C. Reagan-National Airport?

    Prices for flights from Belfast to Washington, D.C. Reagan-National Airport were last updated today.

  • How old do you have to be to fly from Belfast to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Belfast to Washington, D.C. Reagan-National Airport?

    Search flight deals from Belfast to Washington, D.C. Reagan-National Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Belfast to Washington, D.C. Reagan-National Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
College Park
Fairfax
Arlington
Linthicum Heights
Alexandria
Glen Burnie
Lutherville Timonium
Ellicott City
Cambridge
Lexington Park
Westminster
Woodbridge
Bethesda
Rockville
Silver Spring
Owings Mills
Landover
National Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Belfast.

Can I find flights from Belfast to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Belfast with this policy.

How can momondo help me find flights from Belfast to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Belfast to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Belfast are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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