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Cheap flights from Belfast to Washington, D.C. from $2,120

This is the cheapest one-way 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 7/14. 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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Multiple Airlines Logo
BF1
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DCA
3376 mimulti-stop
Multiple Airlines Logo
DCA
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BF1
3376 mimulti-stop
Multiple Airlines

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
Feb 18
BHD6:35 amBelfast City
17h 20m
2 stops
DCA6:55 pmWashington, D.C. Reagan-National
Feb 22
DCA10:45 pmWashington, D.C. Reagan-National
34h 30m
2 stops
BHD2:15 pmBelfast City
$1,286
British Airways
Feb 18
BHD11:25 amBelfast City
15h 05m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
Feb 22
DCA10:45 pmWashington, D.C. Reagan-National
34h 30m
2 stops
BHD2:15 pmBelfast City
$1,288
British Airways
Feb 18
BHD11:25 amBelfast City
15h 05m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
Feb 22
DCA8:45 pmWashington, D.C. Reagan-National
36h 30m
2 stops
BHD2:15 pmBelfast City
$1,290

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 12, 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

Tue 7/14

9:40 am-8:59 pm

2 stops16h 19m

$2,120

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 7/14

9:50 am-7:58 am

3 stops27h 08m

$3,155

Flights are sorted by cheapest round-trip 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

Fastest flight time

16h 28m

Direct flights

None
The fastest flight from Belfast to Washington, D.C. Reagan-National Airport takes 16h 28m
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?

    Washington, D.C. Reagan-National is 3376.1 mi away from Belfast. A reasonable flight in good conditions will take 16h 28m.

  • 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 necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

Why use momondo?

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

It is quick and easy to find Belfast to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Flights from Belfast to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Yes. momondo can track prices for Belfast to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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