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Cheap flights from Belfast City Airport to Washington, D.C. from £662

This is the cheapest return 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 17/9. 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

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

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
17:30 - 15:35BHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 05m1 stop Amsterdam Schiphol
KLM Logo
17:30 - 09:20IAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 50m1 stop Amsterdam Schiphol
£662KLM
Thu, 17 Sep - Thu, 1 Oct
Multiple Airlines Logo
16:00 - 17:00BHD  Belfast City-IAD Washington, D.C. Dulles Intl
30h 00m2 stops Manchester Kastrup Copenhagen
Multiple Airlines Logo
20:20 - 21:05IAD  Washington, D.C. Dulles Intl-BHD Belfast City
19h 45m2 stops Kastrup Copenhagen Manchester
£664Multiple Airlines
Thu, 24 Sep - Thu, 1 Oct
KLM Logo
17:30 - 15:35BHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 05m1 stop Amsterdam Schiphol
KLM Logo
17:30 - 16:55IAD  Washington, D.C. Dulles Intl-BHD Belfast City
18h 25m1 stop Amsterdam Schiphol
£674KLM
Thu, 24 Sep - Thu, 1 Oct
Delta Logo
09:50 - 15:35BHD  Belfast City-IAD Washington, D.C. Dulles Intl
10h 45m1 stop Amsterdam Schiphol
Delta Logo
11:10 - 09:20IAD  Washington, D.C. Dulles Intl-BHD Belfast City
17h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
£675Delta
Thu, 24 Sep - Thu, 1 Oct
Delta Logo
09:50 - 15:35BHD  Belfast City-IAD Washington, D.C. Dulles Intl
10h 45m1 stop Amsterdam Schiphol
Delta Logo
11:10 - 09:20IAD  Washington, D.C. Dulles Intl-BHD Belfast City
17h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
£675Delta
Thu, 17 Sep - Thu, 1 Oct
KLM Logo
09:50 - 15:35BHD  Belfast City-IAD Washington, D.C. Dulles Intl
10h 45m1 stop Amsterdam Schiphol
KLM Logo
12:26 - 09:20IAD  Washington, D.C. Dulles Intl-BHD Belfast City
15h 54m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
£678KLM
Thu, 17 Sep - Wed, 30 Sep
Delta Logo
09:50 - 23:14BHD  Belfast City-IAD Washington, D.C. Dulles Intl
18h 24m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
11:10 - 09:20IAD  Washington, D.C. Dulles Intl-BHD Belfast City
17h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
£679Delta
Thu, 17 Sep - Thu, 1 Oct
KLM Logo
09:50 - 20:14BHD  Belfast City-IAD Washington, D.C. Dulles Intl
15h 24m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
KLM Logo
17:30 - 09:20IAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 50m1 stop Amsterdam Schiphol
£682KLM
Wed, 16 Sep - Thu, 1 Oct
British Airways Logo
20:35 - 18:50BHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 15m2 stops London Heathrow Madrid Barajas
British Airways Logo
17:45 - 10:30IAD  Washington, D.C. Dulles Intl-BHD Belfast City
11h 45m1 stop London Heathrow
£688British Airways
Wed, 30 Sep - Sun, 4 Oct
American Airlines Logo
15:20 - 15:55BHD  Belfast City-IAD Washington, D.C. Dulles Intl
29h 35m1 stop London Heathrow
American Airlines Logo
19:15 - 14:35IAD  Washington, D.C. Dulles Intl-BHD Belfast City
14h 20m1 stop London Heathrow
£689American Airlines
Mon, 14 Sep - Sun, 4 Oct

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British Airways flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport

Our best British Airways deals on Belfast City Airport to Washington, D.C. Dulles Intl Airport flight tickets
British Airways
30 Sept
BHD20:35Belfast City
27h 15m
2 stops
IAD18:50Washington, D.C. Dulles Intl
4 Oct
IAD17:45Washington, D.C. Dulles Intl
11h 45m
1 stop
BHD10:30Belfast City
£688
British Airways
16 Sept
BHD20:35Belfast City
25h 50m
1 stop
IAD17:25Washington, D.C. Dulles Intl
29 Sept
IAD17:45Washington, D.C. Dulles Intl
10h 15m
1 stop
BHD09:00Belfast City
£693
British Airways
14 Sept
BHD09:40Belfast City
12h 45m
1 stop
IAD17:25Washington, D.C. Dulles Intl
1 Oct
IAD17:45Washington, D.C. Dulles Intl
11h 25m
1 stop
BHD10:10Belfast City
£695

Delta flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Belfast City Airport to Washington, D.C. Dulles Intl Airport flight tickets
Delta
24 Sept
BHD09:50Belfast City
10h 45m
1 stop
IAD15:35Washington, D.C. Dulles Intl
1 Oct
IAD11:10Washington, D.C. Dulles Intl
17h 10m
2 stops
BHD09:20Belfast City
£674
Delta
17 Sept
BHD09:50Belfast City
18h 24m
2 stops
IAD23:14Washington, D.C. Dulles Intl
1 Oct
IAD11:10Washington, D.C. Dulles Intl
17h 10m
2 stops
BHD09:20Belfast City
£679
Delta
16 Sept
BHD17:30Belfast City
27h 05m
1 stop
IAD15:35Washington, D.C. Dulles Intl
29 Sept
IAD12:25Washington, D.C. Dulles Intl
15h 55m
2 stops
BHD09:20Belfast City
£705

momondo Fare Finder

 
Customise your flight search to find flights from Belfast City Airport to Washington, D.C. Dulles Intl 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 14 August 2026.
Use the filters below to find and compare flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastWashington, D.C.

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

BHDIAD

Belfast City

Thu 17/9

17:30-15:35

1 stop27h 05m

Washington, D.C. Dulles Intl

Thu 1/10

17:30-09:20

1 stop10h 50m

£662

BelfastWashington, D.C.

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

BHDIAD

Belfast City

Thu 24/9

16:00-17:00

2 stops30h 00m

Washington, D.C. Dulles Intl

Thu 1/10

20:20-21:05

2 stops19h 45m

£664

BelfastWashington, D.C.

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

BHDIAD

Belfast City

Thu 24/9

17:30-15:35

1 stop27h 05m

Washington, D.C. Dulles Intl

Thu 1/10

17:30-16:55

1 stop18h 25m

£674

BelfastWashington, D.C.

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

BHDIAD

Belfast City

Thu 24/9

09:50-15:35

1 stop10h 45m

Washington, D.C. Dulles Intl

Thu 1/10

11:10-09:20

2 stops17h 10m

£674

BelfastWashington, D.C.

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

BHDIAD

Belfast City

Thu 17/9

09:50-15:35

1 stop10h 45m

Washington, D.C. Dulles Intl

Thu 1/10

11:10-09:20

2 stops17h 10m

£675

BelfastWashington, D.C.

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

BHDIAD

Belfast City

Thu 17/9

09:50-15:35

1 stop10h 45m

Washington, D.C. Dulles Intl

Wed 30/9

12:26-09:20

2 stops15h 54m

£678

BelfastWashington, D.C.

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

BHDIAD

Belfast City

Thu 17/9

09:50-23:14

2 stops18h 24m

Washington, D.C. Dulles Intl

Thu 1/10

11:10-09:20

2 stops17h 10m

£679
Fastest return journey

BelfastWashington, D.C.

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

BHDIAD

Belfast City

Wed 16/9

09:50-20:14

2 stops15h 24m

Washington, D.C. Dulles Intl

Thu 1/10

17:30-09:20

1 stop10h 50m

£682

BelfastWashington, D.C.

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

BHDIAD

Belfast City

Wed 30/9

20:35-18:50

2 stops27h 15m

Washington, D.C. Dulles Intl

Sun 4/10

17:45-10:30

1 stop11h 45m

£688

BelfastWashington, D.C.

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

BHDIAD

Belfast City

Mon 14/9

15:20-15:55

1 stop29h 35m

Washington, D.C. Dulles Intl

Sun 4/10

19:15-14:35

1 stop14h 20m

£689

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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 City Airport to Washington, D.C. Dulles Intl 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. Dulles Intl?

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

When to book flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast City Airport to Washington, D.C. Dulles Intl 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. Dulles Intl Airport (BHD to IAD) flight deals and tips

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

Fastest flight time

14h 55m

Direct flights

None
The fastest flight from Belfast City Airport to Washington, D.C. Dulles Intl Airport takes 14h 55m
There are no direct flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Belfast City Airport to Washington, D.C. Dulles Intl Airport.
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Frequently asked questions about flying from Belfast City Airport to Washington, D.C. Dulles Intl Airport

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

    The distance between Belfast City and Washington, D.C. Dulles Intl is about 3389.6 mi. A reasonable flight in good conditions will take 14h 55m.

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

    Prices for flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How old do you have to be to fly from Belfast City Airport to Washington, D.C. Dulles Intl 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 City Airport to Washington, D.C. Dulles Intl Airport.

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

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
National Harbor
Winchester
Ellicott City
Cambridge
Glen Burnie
Westminster
Laurel
Lutherville Timonium
Lexington Park
Leesburg
Woodbridge
Bethesda
Sterling

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.

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?

Of course. momondo tracks the price of Belfast to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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