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Cheap flights from Belfast to Washington, D.C. from £534

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 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:05 - 22:05
BHD
-
DCA
16h 00m2 stops
American Airlines Logo
17:00 - 09:10
DCA
-
BHD
12h 10m2 stops
£534American Airlines
Thu, 5 Mar - Wed, 11 Mar
British Airways Logo
06:35 - 16:57
BHD
-
DCA
15h 22m2 stops
British Airways Logo
17:00 - 10:20
DCA
-
BHD
13h 20m2 stops
£535British Airways
Thu, 5 Mar - Thu, 12 Mar
British Airways Logo
08:45 - 18:54
BHD
-
DCA
15h 09m2 stops
British Airways Logo
13:35 - 11:30
DCA
-
BHD
16h 55m2 stops
£536British Airways
Fri, 30 Jan - Tue, 3 Feb
British Airways Logo
06:45 - 18:54
BHD
-
DCA
17h 09m2 stops
British Airways Logo
13:35 - 10:30
DCA
-
BHD
15h 55m2 stops
£537British Airways
Fri, 30 Jan - Tue, 3 Feb
Delta Logo
06:30 - 17:04
BHD
-
DCA
15h 34m2 stops
Delta Logo
14:25 - 16:50
DCA
-
BHD
22h 25m2 stops
£540Delta
Wed, 4 Mar - Wed, 11 Mar
American Airlines Logo
08:45 - 19:44
BHD
-
DCA
15h 59m2 stops
American Airlines Logo
17:00 - 10:30
DCA
-
BHD
13h 30m2 stops
£557American Airlines
Fri, 6 Mar - Fri, 13 Mar
KLM Logo
06:30 - 16:27
BHD
-
DCA
14h 57m2 stops
KLM Logo
20:45 - 16:40
DCA
-
BHD
15h 55m2 stops
£921KLM
Wed, 4 Mar - Thu, 12 Mar
Multiple Airlines Logo
14:10 - 19:52
BFS
-
DCA
34h 42m3 stops
Multiple Airlines Logo
11:11 - 14:05
DCA
-
BFS
21h 54m3 stops
£992Multiple Airlines
Wed, 4 Feb - Wed, 11 Feb
KLM Logo
06:30 - 17:04
BHD
-
DCA
15h 34m2 stops
KLM Logo
20:45 - 16:50
DCA
-
BHD
16h 05m2 stops
£1,071KLM
Wed, 4 Mar - Fri, 13 Mar
British Airways Logo
06:30 - 17:34
BHD
-
DCA
16h 04m2 stops
British Airways Logo
15:30 - 10:15
DCA
-
BHD
13h 45m2 stops
£5,174British Airways
Sun, 4 Jan - Wed, 7 Jan

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
5 Mar
BHD06:35Belfast City
15h 22m
2 stops
DCA16:57Washington, D.C. Reagan-National
12 Mar
DCA17:00Washington, D.C. Reagan-National
13h 20m
2 stops
BHD10:20Belfast City
£535
Find similar
British Airways
30 Jan
BHD06:45Belfast City
17h 09m
2 stops
DCA18:54Washington, D.C. Reagan-National
3 Feb
DCA13:35Washington, D.C. Reagan-National
15h 55m
2 stops
BHD10:30Belfast City
£537
Find similar
British Airways
30 Jan
BHD06:45Belfast City
15h 23m
2 stops
DCA17:08Washington, D.C. Reagan-National
3 Feb
DCA17:45Washington, D.C. Reagan-National
12h 45m
2 stops
BHD11:30Belfast City
£538
Find similar

American Airlines flights from Belfast to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Belfast to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
5 Mar
BHD06:35Belfast City
14h 44m
2 stops
DCA16:19Washington, D.C. Reagan-National
14 Mar
DCA15:59Washington, D.C. Reagan-National
13h 11m
2 stops
BHD09:10Belfast City
£534
Find similar
American Airlines
6 Mar
BHD08:45Belfast City
15h 59m
2 stops
DCA19:44Washington, D.C. Reagan-National
13 Mar
DCA17:00Washington, D.C. Reagan-National
13h 30m
2 stops
BHD10:30Belfast City
£557
Find similar

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 23 December 2025.
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

Thu 5/3

11:05-22:05

2 stops16h 00m

Washington, D.C. Reagan-National

Wed 11/3

17:00-09:10

2 stops12h 10m

£534

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 5/3

06:35-16:57

2 stops15h 22m

Washington, D.C. Reagan-National

Thu 12/3

17:00-10:20

2 stops13h 20m

£535

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 30/1

08:45-18:54

2 stops15h 09m

Washington, D.C. Reagan-National

Tue 3/2

13:35-11:30

2 stops16h 55m

£536

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 30/1

06:45-18:54

2 stops17h 09m

Washington, D.C. Reagan-National

Tue 3/2

13:35-10:30

2 stops15h 55m

£537

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 4/3

06:30-17:04

2 stops15h 34m

Washington, D.C. Reagan-National

Wed 11/3

14:25-16:50

2 stops22h 25m

£540

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 6/3

08:45-19:44

2 stops15h 59m

Washington, D.C. Reagan-National

Fri 13/3

17:00-10:30

2 stops13h 30m

£557

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 4/3

06:30-16:27

2 stops14h 57m

Washington, D.C. Reagan-National

Thu 12/3

20:45-16:40

2 stops15h 55m

£921

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Wed 4/2

14:10-19:52

3 stops34h 42m

Washington, D.C. Reagan-National

Wed 11/2

11:11-14:05

3 stops21h 54m

£992

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 4/3

06:30-17:04

2 stops15h 34m

Washington, D.C. Reagan-National

Fri 13/3

20:45-16:50

2 stops16h 05m

£1,071

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 4/1

06:30-17:34

2 stops16h 04m

Washington, D.C. Reagan-National

Wed 7/1

15:30-10:15

2 stops13h 45m

£5,174

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 53m

Direct flights

None
The fastest flight from Belfast to Washington, D.C. Reagan-National Airport takes 14h 53m
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 53m, 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
Alexandria
Fairfax
Arlington
Linthicum Heights
Bethesda
Glen Burnie
Lutherville Timonium
Ellicott City
Cambridge
Westminster
Woodbridge
Silver Spring
Owings Mills
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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