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Cheap flights from Belfast City Airport to Washington, D.C. from £372

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 23/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
14:20 - 20:10
BHD
-
IAD
10h 50m
1 stop
British Airways Logo
15:26 - 18:45
IAD
-
BHD
22h 19m
2 stops
£609British Airways
Thu, 23 Apr - Mon, 27 Apr
British Airways Logo
09:35 - 17:25
BHD
-
IAD
12h 50m
1 stop
British Airways Logo
17:20 - 12:55
IAD
-
BHD
14h 35m
2 stops
£629British Airways
Thu, 3 Sep - Mon, 7 Sep
British Airways Logo
16:35 - 15:30
BHD
-
IAD
27h 55m
2 stops
British Airways Logo
17:20 - 12:55
IAD
-
BHD
14h 35m
2 stops
£631British Airways
Thu, 3 Sep - Mon, 7 Sep
British Airways Logo
12:45 - 23:59
BHD
-
IAD
16h 14m
2 stops
British Airways Logo
20:11 - 18:45
IAD
-
BHD
17h 34m
2 stops
£721British Airways
Thu, 23 Apr - Mon, 27 Apr

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
23 Apr
BHD14:20Belfast City
10h 50m
1 stop
IAD20:10Washington, D.C. Dulles Intl
27 Apr
IAD15:26Washington, D.C. Dulles Intl
22h 19m
2 stops
BHD18:45Belfast City
£609
British Airways
3 Sept
BHD09:35Belfast City
12h 50m
1 stop
IAD17:25Washington, D.C. Dulles Intl
7 Sept
IAD17:20Washington, D.C. Dulles Intl
14h 35m
2 stops
BHD12:55Belfast City
£629
British Airways
3 Sept
BHD16:35Belfast City
27h 55m
2 stops
IAD15:30Washington, D.C. Dulles Intl
7 Sept
IAD17:20Washington, D.C. Dulles Intl
14h 35m
2 stops
BHD12:55Belfast City
£631

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 22 March 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 - IAD

BHDIAD

Belfast City

Thu 23/4

14:20-20:10

1 stop10h 50m

Washington, D.C. Dulles Intl

Mon 27/4

15:26-18:45

2 stops22h 19m

£609
Fastest return journey

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 3/9

09:35-17:25

1 stop12h 50m

Washington, D.C. Dulles Intl

Mon 7/9

17:20-12:55

2 stops14h 35m

£629

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 3/9

16:35-15:30

2 stops27h 55m

Washington, D.C. Dulles Intl

Mon 7/9

17:20-12:55

2 stops14h 35m

£631

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 23/4

12:45-23:59

2 stops16h 14m

Washington, D.C. Dulles Intl

Mon 27/4

20:11-18:45

2 stops17h 34m

£721
Cheapest one-way

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 23/6

17:20-19:00

3 stops30h 40m

£372

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 15/7

07:00-12:53

2 stops34h 53m

£539

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 14/7

07:00-12:53

2 stops34h 53m

£546

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 14/7

10:15-19:15

3 stops38h 00m

£549

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 25/7

11:05-15:10

3 stops33h 05m

£553
Fastest single journey

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 23/6

09:40-15:50

1 stop11h 10m

£580

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 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

10h 50m

Direct flights

None
The fastest flight from Belfast City Airport to Washington, D.C. Dulles Intl Airport takes 10h 50m
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.
Search flight deals

  • 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 10h 50m.

  • 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
Laurel
College Park
Arlington
Fairfax
Linthicum Heights
Alexandria
Glen Burnie
Front Royal
Lutherville Timonium
Winchester
Ellicott City
Cambridge
Lexington Park
Leesburg
Westminster
Woodbridge
Ashburn
Sterling
Bethesda
Silver Spring

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.

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

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