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Cheap flights from Belfast to Washington, D.C. from £319

1 adult
1 adult, Economy, 0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:05 - 10:45BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
33h 40m3 stops London Gatwick Ottawa Toronto Island
Multiple Airlines Logo
20:30 - 23:25IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 55m2 stops Reykjavik Keflavik Intl Manchester
£585Multiple Airlines
Fri, 25 Sep - Sat, 26 Sep
Multiple Airlines Logo
09:55 - 16:05BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
35h 10m2 stops London Gatwick Paris Charles de Gaulle
Multiple Airlines Logo
18:15 - 20:15IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 00m2 stops Paris Charles de Gaulle London Gatwick
£591Multiple Airlines
Sun, 4 Oct - Sun, 11 Oct
Multiple Airlines Logo
06:05 - 20:25BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
19h 20m2 stops London Gatwick Toronto Pearson Intl
Multiple Airlines Logo
20:30 - 23:25IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 55m2 stops Reykjavik Keflavik Intl Manchester
£636Multiple Airlines
Fri, 25 Sep - Sat, 26 Sep
Multiple Airlines Logo
17:05 - 17:00BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
28h 55m3 stops Manchester Stockholm Arlanda Kastrup Copenhagen
Multiple Airlines Logo
20:20 - 21:30IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
20h 10m2 stops Kastrup Copenhagen Manchester
£652Multiple Airlines
Sun, 4 Oct - Sun, 11 Oct
Multiple Airlines Logo
15:35 - 17:00BFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
30h 25m2 stops Edinburgh Turnhouse Kastrup Copenhagen
Multiple Airlines Logo
20:20 - 21:45IAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
20h 25m2 stops Kastrup Copenhagen Edinburgh Turnhouse
£678Multiple Airlines
Thu, 1 Oct - Thu, 8 Oct
British Airways Logo
17:50 - 16:20BHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 30m2 stops London Heathrow Madrid Barajas
British Airways Logo
18:05 - 09:05IAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 00m1 stop London Heathrow
£683British Airways
Thu, 12 Nov - Mon, 16 Nov
British Airways Logo
17:50 - 16:20BHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 30m2 stops London Heathrow Madrid Barajas
British Airways Logo
18:05 - 09:05IAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 00m1 stop London Heathrow
£684British Airways
Thu, 12 Nov - Mon, 16 Nov
British Airways Logo
17:50 - 16:20BHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 30m2 stops London Heathrow Madrid Barajas
British Airways Logo
18:05 - 09:05IAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 00m1 stop London Heathrow
£684British Airways
Thu, 12 Nov - Mon, 16 Nov
British Airways Logo
06:30 - 17:05BHD  Belfast City-BWI Baltimore/Washington
15h 35m1 stop London Heathrow
British Airways Logo
18:55 - 10:45BWI  Baltimore/Washington-BHD Belfast City
10h 50m1 stop London Heathrow
£687British Airways
Thu, 5 Nov - Sun, 8 Nov
British Airways Logo
11:05 - 16:20BHD  Belfast City-IAD Washington, D.C. Dulles Intl
34h 15m2 stops London Heathrow Madrid Barajas
British Airways Logo
21:45 - 17:25IAD  Washington, D.C. Dulles Intl-BHD Belfast City
14h 40m1 stop London Heathrow
£687British Airways
Thu, 21 Jan - Mon, 25 Jan

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British Airways flights from Belfast to Washington, D.C.

Our best British Airways deals on Belfast to Washington, D.C. flight tickets
British Airways
12 Nov
BHD17:50Belfast City
27h 30m
2 stops
IAD16:20Washington, D.C. Dulles Intl
16 Nov
IAD18:05Washington, D.C. Dulles Intl
10h 00m
1 stop
BHD09:05Belfast City
£683
British Airways
12 Nov
BHD17:50Belfast City
27h 30m
2 stops
IAD16:20Washington, D.C. Dulles Intl
16 Nov
IAD18:05Washington, D.C. Dulles Intl
10h 00m
1 stop
BHD09:05Belfast City
£684
British Airways
12 Nov
BHD17:50Belfast City
27h 30m
2 stops
IAD16:20Washington, D.C. Dulles Intl
16 Nov
IAD18:05Washington, D.C. Dulles Intl
10h 00m
1 stop
BHD09:05Belfast City
£684

momondo Fare Finder

 
Use the filters below to find and compare flights from Belfast to Washington, D.C. that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

BelfastWashington, D.C.

BFS Belfast Intl - IAD Washington, D.C. Dulles Intl

BFSIAD

Belfast Intl

Fri 25/9

06:05-10:45

3 stops33h 40m

Washington, D.C. Dulles Intl

Sat 26/9

20:30-23:25

2 stops21h 55m

£585

BelfastWashington, D.C.

BFS Belfast Intl - IAD Washington, D.C. Dulles Intl

BFSIAD

Belfast Intl

Sun 4/10

09:55-16:05

2 stops35h 10m

Washington, D.C. Dulles Intl

Sun 11/10

18:15-20:15

2 stops21h 00m

£591

BelfastWashington, D.C.

BFS Belfast Intl - IAD Washington, D.C. Dulles Intl

BFSIAD

Belfast Intl

Fri 25/9

06:05-20:25

2 stops19h 20m

Washington, D.C. Dulles Intl

Sat 26/9

20:30-23:25

2 stops21h 55m

£636

BelfastWashington, D.C.

BFS Belfast Intl - IAD Washington, D.C. Dulles Intl

BFSIAD

Belfast Intl

Sun 4/10

17:05-17:00

3 stops28h 55m

Washington, D.C. Dulles Intl

Sun 11/10

20:20-21:30

2 stops20h 10m

£652

BelfastWashington, D.C.

BFS Belfast Intl - IAD Washington, D.C. Dulles Intl

BFSIAD

Belfast Intl

Thu 1/10

15:35-17:00

2 stops30h 25m

Washington, D.C. Dulles Intl

Thu 8/10

20:20-21:45

2 stops20h 25m

£678

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 12/11

17:50-16:20

2 stops27h 30m

Washington, D.C. Dulles Intl

Mon 16/11

18:05-09:05

1 stop10h 00m

£683

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 12/11

17:50-16:20

2 stops27h 30m

Washington, D.C. Dulles Intl

Mon 16/11

18:05-09:05

1 stop10h 00m

£684

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 12/11

17:50-16:20

2 stops27h 30m

Washington, D.C. Dulles Intl

Mon 16/11

18:05-09:05

1 stop10h 00m

£684
Fastest return journey

BelfastBaltimore

BHD Belfast City - BWI Baltimore/Washington

BHDBWI

Belfast City

Thu 5/11

06:30-17:05

1 stop15h 35m

Baltimore/Washington

Sun 8/11

18:55-10:45

1 stop10h 50m

£687

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 21/1

11:05-16:20

2 stops34h 15m

Washington, D.C. Dulles Intl

Mon 25/1

21:45-17:25

1 stop14h 40m

£687

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Belfast to Washington, D.C.

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.?

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

Cheap Belfast to Washington, D.C. flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Washington, D.C.

Best price found

£319

Fastest flight time

15h 49m

Direct flights

None
The best one-way flight to Washington, D.C. from Belfast in the past 72 hours is £319. The best return flight deal from Belfast to Washington, D.C. found on momondo in the last 72 hours is £585.
The fastest flight from Belfast to Washington, D.C. takes 15h 49m
There are no direct flights from Belfast to Washington, D.C.. There are no popular flight routes from Belfast to Washington, D.C..
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Frequently asked questions about flying from Belfast to Washington, D.C.

  • How far is Belfast to Washington, D.C. by plane?

    Belfast and Washington, D.C. are 3373.5 mi apart from one another. By plane, this route typically takes 15h 49m.

  • When did momondo last update prices for flights from Belfast to Washington, D.C.?

    Prices for flights from Belfast to Washington, D.C. refresh daily.

  • How old do you have to be to fly from Belfast to Washington, D.C.?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Washington, D.C..

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

    The required travel and health documents for your Washington, D.C. 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.. 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
Arlington
Springfield
Fairfax
Gettysburg
Linthicum Heights
National Harbor
Ellicott City
Cambridge
Glen Burnie
Westminster
Laurel
Lutherville Timonium
Lexington Park
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.?

Finding the right flight to Washington, D.C. from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Belfast.

I’m not ready to book a flight from Belfast to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Belfast and alert you when they change.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport