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Cheap flights from Belfast to Washington, D.C. from £497

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 4/12. 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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0 bags
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Cheap return flights

American Airlines Logo
06:35 - 17:43BHD-DCA
16h 08m2 stops
American Airlines Logo
18:30 - 14:15DCA-BHD
14h 45m2 stops
£497American Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
American Airlines Logo
06:35 - 16:04BHD-DCA
14h 29m2 stops
American Airlines Logo
11:36 - 10:40DCA-BHD
18h 04m2 stops
£498American Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Delta Logo
06:30 - 19:40BHD-DCA
18h 10m2 stops
Delta Logo
19:55 - 21:15DCA-BHD
20h 20m2 stops
£573Delta
Find Deal
Thu, 16 Oct - Thu, 23 Oct
Multiple Airlines Logo
17:25 - 21:51BHD-DCA
33h 26m3 stops
Multiple Airlines Logo
09:40 - 21:15DCA-BHD
30h 35m3 stops
£1,150Multiple Airlines
Find Deal
Thu, 16 Oct - Thu, 23 Oct

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
4 Dec
BHD06:35Belfast City
16h 08m
2 stops
DCA17:43Washington, D.C. Reagan-National
8 Dec
DCA18:30Washington, D.C. Reagan-National
14h 45m
2 stops
BHD14:15Belfast City
£497
Find similar
American Airlines
4 Dec
BHD06:35Belfast City
14h 29m
2 stops
DCA16:04Washington, D.C. Reagan-National
8 Dec
DCA11:36Washington, D.C. Reagan-National
18h 04m
2 stops
BHD10:40Belfast City
£498
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 18 September 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 4/12

06:35-17:43

2 stops16h 08m

Washington, D.C. Reagan-National

Mon 8/12

18:30-14:15

2 stops14h 45m

£497

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 4/12

06:35-16:04

2 stops14h 29m

Washington, D.C. Reagan-National

Mon 8/12

11:36-10:40

2 stops18h 04m

£498

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 16/10

06:30-19:40

2 stops18h 10m

Washington, D.C. Reagan-National

Thu 23/10

19:55-21:15

2 stops20h 20m

£573

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 16/10

17:25-21:51

3 stops33h 26m

Washington, D.C. Reagan-National

Thu 23/10

09:40-21:15

3 stops30h 35m

£1,150

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 2/11

12:10-21:30

2 stops14h 20m

£1,205

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Belfast to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Belfast to Washington, D.C. Reagan-National?

British Airways is the most popular carrier operating from Belfast to Washington, D.C. Reagan-National

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

Direct flights

None
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 29m, 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.

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
Essex
Alexandria
Fairfax
Bethesda
Oxon Hill
Gettysburg
Cambridge
Ellicott City
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring
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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