Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Belfast to Washington, D.C. from £441

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 23/11. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Belfast to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
06:35 - 17:55BHD-DCA
16h 20m2 stops
American Airlines Logo
17:24 - 16:05DCA-BHD
17h 41m2 stops
£730American Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
American Airlines Logo
06:35 - 18:26BHD-DCA
16h 51m2 stops
American Airlines Logo
16:47 - 14:15DCA-BHD
16h 28m2 stops
£744American Airlines
Find Deal
Mon, 24 Nov - Mon, 1 Dec
British Airways Logo
20:25 - 15:59BHD-DCA
24h 34m2 stops
British Airways Logo
13:44 - 10:20DCA-BHD
15h 36m2 stops
£757British Airways
Find Deal
Sun, 23 Nov - Sun, 30 Nov
American Airlines Logo
06:45 - 20:58BHD-DCA
19h 13m2 stops
American Airlines Logo
14:24 - 10:40DCA-BHD
15h 16m2 stops
£775American Airlines
Find Deal
Fri, 28 Nov - Mon, 1 Dec
Multiple Airlines Logo
06:30 - 21:56BFS-DCA
20h 26m2 stops
Multiple Airlines Logo
11:05 - 20:45DCA-BFS
28h 40m3 stops
£818Multiple Airlines
Find Deal
Sun, 23 Nov - Sun, 30 Nov
Multiple Airlines Logo
06:30 - 10:20BFS-DCA
32h 50m3 stops
Multiple Airlines Logo
11:05 - 20:45DCA-BFS
28h 40m3 stops
£846Multiple Airlines
Find Deal
Sun, 23 Nov - Sun, 30 Nov
Virgin Atlantic Logo
06:30 - 19:20BHD-DCA
17h 50m2 stops
Virgin Atlantic Logo
17:00 - 21:20DCA-BHD
23h 20m2 stops
£1,255Virgin Atlantic
Find Deal
Wed, 1 Apr - Sun, 5 Apr
KLM Logo
06:30 - 16:35BHD-DCA
15h 05m2 stops
KLM Logo
19:35 - 16:50DCA-BHD
16h 15m2 stops
£1,639KLM
Find Deal
Sat, 29 Nov - Mon, 1 Dec
KLM Logo
06:30 - 16:35BHD-DCA
15h 05m2 stops
KLM Logo
19:35 - 16:50DCA-BHD
16h 15m2 stops
£1,861KLM
Find Deal
Sat, 29 Nov - Sun, 30 Nov
British Airways Logo
06:30 - 15:59BHD-DCA
14h 29m2 stops
British Airways Logo
18:30 - 13:55DCA-BHD
14h 25m2 stops
£2,771British Airways
Find Deal
Sun, 30 Nov - Sun, 30 Nov

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
23 Nov
BHD20:25Belfast City
24h 34m
2 stops
DCA15:59Washington, D.C. Reagan-National
30 Nov
DCA13:44Washington, D.C. Reagan-National
15h 36m
2 stops
BHD10:20Belfast City
£757
Find similar
British Airways
30 Nov
BHD06:30Belfast City
14h 29m
2 stops
DCA15:59Washington, D.C. Reagan-National
30 Nov
DCA18:30Washington, D.C. Reagan-National
14h 25m
2 stops
BHD13:55Belfast City
£2,771
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
4 Dec
BHD06:35Belfast City
16h 20m
2 stops
DCA17:55Washington, D.C. Reagan-National
8 Dec
DCA17:24Washington, D.C. Reagan-National
17h 41m
2 stops
BHD16:05Belfast City
£730
Find similar
American Airlines
24 Nov
BHD06:35Belfast City
16h 51m
2 stops
DCA18:26Washington, D.C. Reagan-National
1 Dec
DCA16:47Washington, D.C. Reagan-National
16h 28m
2 stops
BHD14:15Belfast City
£744
Find similar
American Airlines
28 Nov
BHD06:45Belfast City
19h 13m
2 stops
DCA20:58Washington, D.C. Reagan-National
1 Dec
DCA14:24Washington, D.C. Reagan-National
15h 16m
2 stops
BHD10:40Belfast City
£775
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 4 November 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

06:35-17:55

2 stops16h 20m

Washington, D.C. Reagan-National

Mon 8/12

17:24-16:05

2 stops17h 41m

£730

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mon 24/11

06:35-18:26

2 stops16h 51m

Washington, D.C. Reagan-National

Mon 1/12

16:47-14:15

2 stops16h 28m

£744

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 23/11

20:25-15:59

2 stops24h 34m

Washington, D.C. Reagan-National

Sun 30/11

13:44-10:20

2 stops15h 36m

£757

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 28/11

06:45-20:58

2 stops19h 13m

Washington, D.C. Reagan-National

Mon 1/12

14:24-10:40

2 stops15h 16m

£775

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Sun 23/11

06:30-21:56

2 stops20h 26m

Washington, D.C. Reagan-National

Sun 30/11

11:05-20:45

3 stops28h 40m

£818

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Sun 23/11

06:30-10:20

3 stops32h 50m

Washington, D.C. Reagan-National

Sun 30/11

11:05-20:45

3 stops28h 40m

£846

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 1/4

06:30-19:20

2 stops17h 50m

Washington, D.C. Reagan-National

Sun 5/4

17:00-21:20

2 stops23h 20m

£1,255

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sat 29/11

06:30-16:35

2 stops15h 05m

Washington, D.C. Reagan-National

Mon 1/12

19:35-16:50

2 stops16h 15m

£1,639

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sat 29/11

06:30-16:35

2 stops15h 05m

Washington, D.C. Reagan-National

Sun 30/11

19:35-16:50

2 stops16h 15m

£1,861

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 30/11

06:30-15:59

2 stops14h 29m

Washington, D.C. Reagan-National

Sun 30/11

18:30-13:55

2 stops14h 25m

£2,771

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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.
Search flight deals

  • 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
Alexandria
Fairfax
Linthicum Heights
Bethesda
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.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/12
Thu 11/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.