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Cheap flights from Belfast City Airport to Washington, D.C. from £426

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 City Airport to Washington, D.C. departing on 18/8. 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
1 adult, Economy, 0 bags
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Find the cheapest flights from Belfast City Airport to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
19:40 - 16:48
BHD
-
DCA
26h 08m
2 stops
British Airways Logo
15:17 - 10:30
DCA
-
BHD
14h 13m
2 stops
£599British Airways
Wed, 2 Sep - Sun, 6 Sep
British Airways Logo
11:25 - 22:57
BHD
-
DCA
15h 32m
2 stops
British Airways Logo
17:06 - 10:30
DCA
-
BHD
13h 24m
2 stops
£624British Airways
Tue, 27 Oct - Fri, 30 Oct
British Airways Logo
11:25 - 22:57
BHD
-
DCA
15h 32m
2 stops
British Airways Logo
17:06 - 10:30
DCA
-
BHD
13h 24m
2 stops
£625British Airways
Tue, 27 Oct - Fri, 30 Oct

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

Our best British Airways deals on Belfast City Airport to Washington, D.C. Reagan-National Airport flight tickets
British Airways
2 Sept
BHD19:40Belfast City
26h 08m
2 stops
DCA16:48Washington, D.C. Reagan-National
6 Sept
DCA15:17Washington, D.C. Reagan-National
14h 13m
2 stops
BHD10:30Belfast City
£599
British Airways
27 Oct
BHD11:25Belfast City
15h 32m
2 stops
DCA22:57Washington, D.C. Reagan-National
30 Oct
DCA17:06Washington, D.C. Reagan-National
13h 24m
2 stops
BHD10:30Belfast City
£625
British Airways
27 Oct
BHD11:25Belfast City
15h 32m
2 stops
DCA22:57Washington, D.C. Reagan-National
30 Oct
DCA19:06Washington, D.C. Reagan-National
15h 09m
2 stops
BHD14:15Belfast City
£658

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

Our best American Airlines deals on Belfast City Airport to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
23 Jun
BHD06:30Belfast City
17h 44m
2 stops
DCA19:14Washington, D.C. Reagan-National
11 Aug
DCA13:59Washington, D.C. Reagan-National
15h 46m
2 stops
BHD10:45Belfast City
£600
American Airlines
23 Jun
BHD06:30Belfast City
18h 40m
2 stops
DCA20:10Washington, D.C. Reagan-National
11 Aug
DCA13:55Washington, D.C. Reagan-National
15h 50m
2 stops
BHD10:45Belfast City
£601
American Airlines
23 Jun
BHD06:30Belfast City
18h 40m
2 stops
DCA20:10Washington, D.C. Reagan-National
11 Aug
DCA13:55Washington, D.C. Reagan-National
15h 50m
2 stops
BHD10:45Belfast City
£602

momondo Fare Finder

 
Customise your flight search to find flights from Belfast City Airport 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 15 June 2026.
Use the filters below to find and compare flights from Belfast City Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 2/9

19:40-16:48

2 stops26h 08m

Washington, D.C. Reagan-National

Sun 6/9

15:17-10:30

2 stops14h 13m

£599
Fastest return journey

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 27/10

11:25-22:57

2 stops15h 32m

Washington, D.C. Reagan-National

Fri 30/10

17:06-10:30

2 stops13h 24m

£624

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 27/10

11:25-22:57

2 stops15h 32m

Washington, D.C. Reagan-National

Fri 30/10

17:06-10:30

2 stops13h 24m

£625
Cheapest one-way

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 18/8

09:40-21:13

2 stops16h 33m

£426

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 18/8

07:00-21:48

3 stops19h 48m

£462

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 10/7

19:35-16:13

2 stops25h 38m

£675

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 21/7

13:45-07:59

2 stops23h 14m

£726

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 10/7

16:20-20:04

3 stops32h 44m

£815
Fastest single journey

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 10/7

09:35-20:59

2 stops16h 24m

£1,064

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 City Airport 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 City to Washington, D.C. Reagan-National?

American Airlines and British Airways are the most popular carriers operating from Belfast City to Washington, D.C. Reagan-National

When to book flights from Belfast City Airport to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast City Airport to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Belfast City Airport to Washington, D.C. Reagan-National Airport (BHD to DCA) flight deals and tips

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

Fastest flight time

15h 32m

Direct flights

None
The fastest flight from Belfast City Airport to Washington, D.C. Reagan-National Airport takes 15h 32m
There are no direct flights from Belfast City Airport to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Belfast City Airport to Washington, D.C. Reagan-National Airport.
Search flight deals

Frequently asked questions about flying from Belfast City Airport to Washington, D.C. Reagan-National Airport

  • How far is Belfast City to Washington, D.C. Reagan-National by plane?

    The distance between Belfast City and Washington, D.C. Reagan-National is about 3378.1 mi. In terms of flight time, this usually takes a little over 15h 32m.

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

    Prices for flights from Belfast City Airport to Washington, D.C. Reagan-National Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast City Airport to Washington, D.C. Reagan-National Airport.

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

    The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable 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
Alexandria
College Park
Springfield
Fairfax
Arlington
Gettysburg
Linthicum Heights
Ellicott City
Cambridge
Glen Burnie
Laurel
Westminster
Lutherville Timonium
Lexington Park
Owings Mills
Woodbridge
Bethesda
Silver Spring
Rockville
Landover

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to Washington, D.C. for you.

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

momondo does allow users to show only those flights to Washington, D.C. from Belfast which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Belfast to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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 offers price alerts on flights to Washington, D.C. from Belfast. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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