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Cheap flights from Belfast City Airport to Washington, D.C. from £313

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 14/9. 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
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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
07:05 - 19:40
BHD
-
IAD
17h 35m
1 stop
British Airways Logo
22:25 - 15:20
IAD
-
BHD
11h 55m
1 stop
£593British Airways
Sat, 5 Sep - Tue, 8 Sep
British Airways Logo
19:40 - 18:50
BHD
-
IAD
28h 10m
2 stops
British Airways Logo
19:15 - 10:30
IAD
-
BHD
10h 15m
1 stop
£628British Airways
Wed, 7 Oct - Sun, 11 Oct
British Airways Logo
18:20 - 18:50
BHD
-
IAD
29h 30m
2 stops
British Airways Logo
20:25 - 12:55
IAD
-
BHD
35h 30m
2 stops
£632British Airways
Wed, 7 Oct - Sun, 11 Oct
British Airways Logo
06:30 - 15:55
BHD
-
IAD
14h 25m
1 stop
British Airways Logo
19:15 - 14:35
IAD
-
BHD
14h 20m
1 stop
£636British Airways
Wed, 7 Oct - Sun, 11 Oct
British Airways Logo
09:50 - 20:20
BHD
-
IAD
15h 30m
2 stops
British Airways Logo
17:45 - 11:55
IAD
-
BHD
13h 10m
2 stops
£806British Airways
Sat, 5 Sep - Tue, 8 Sep
Aer Lingus Logo
14:55 - 15:45
BHD
-
IAD
29h 50m
2 stops
Aer Lingus Logo
20:40 - 17:50
IAD
-
BHD
16h 10m
2 stops
£987Aer Lingus
Wed, 15 Jul - Thu, 16 Jul
Multiple Airlines Logo
10:25 - 15:10
BHD
-
IAD
33h 45m
3 stops
Multiple Airlines Logo
20:30 - 17:45
IAD
-
BHD
16h 15m
2 stops
£1,086Multiple Airlines
Wed, 15 Jul - Thu, 16 Jul
British Airways Logo
06:30 - 15:55
BHD
-
IAD
14h 25m
1 stop
British Airways Logo
19:15 - 08:50
IAD
-
BHD
32h 35m
1 stop
£1,809British Airways
Wed, 15 Jul - Thu, 16 Jul
Multiple Airlines Logo
06:30 - 19:25
BHD
-
IAD
17h 55m
2 stops
Multiple Airlines Logo
22:25 - 18:45
IAD
-
BHD
15h 20m
1 stop
£1,898Multiple Airlines
Wed, 15 Jul - Thu, 16 Jul

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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
5 Sept
BHD07:05Belfast City
17h 35m
1 stop
IAD19:40Washington, D.C. Dulles Intl
8 Sept
IAD22:25Washington, D.C. Dulles Intl
11h 55m
1 stop
BHD15:20Belfast City
£593
British Airways
7 Oct
BHD19:40Belfast City
28h 10m
2 stops
IAD18:50Washington, D.C. Dulles Intl
11 Oct
IAD19:15Washington, D.C. Dulles Intl
10h 15m
1 stop
BHD10:30Belfast City
£628
British Airways
7 Oct
BHD18:20Belfast City
29h 30m
2 stops
IAD18:50Washington, D.C. Dulles Intl
11 Oct
IAD20:25Washington, D.C. Dulles Intl
35h 30m
2 stops
BHD12:55Belfast City
£632

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 30 June 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

Sat 5/9

07:05-19:40

1 stop17h 35m

Washington, D.C. Dulles Intl

Tue 8/9

22:25-15:20

1 stop11h 55m

£593

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 7/10

19:40-18:50

2 stops28h 10m

Washington, D.C. Dulles Intl

Sun 11/10

19:15-10:30

1 stop10h 15m

£628

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 7/10

18:20-18:50

2 stops29h 30m

Washington, D.C. Dulles Intl

Sun 11/10

20:25-12:55

2 stops35h 30m

£632

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 7/10

06:30-15:55

1 stop14h 25m

Washington, D.C. Dulles Intl

Sun 11/10

19:15-14:35

1 stop14h 20m

£636
Fastest return journey

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 5/9

09:50-20:20

2 stops15h 30m

Washington, D.C. Dulles Intl

Tue 8/9

17:45-11:55

2 stops13h 10m

£806

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 15/7

14:55-15:45

2 stops29h 50m

Washington, D.C. Dulles Intl

Thu 16/7

20:40-17:50

2 stops16h 10m

£987

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 15/7

10:25-15:10

3 stops33h 45m

Washington, D.C. Dulles Intl

Thu 16/7

20:30-17:45

2 stops16h 15m

£1,086

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 15/7

06:30-15:55

1 stop14h 25m

Washington, D.C. Dulles Intl

Thu 16/7

19:15-08:50

1 stop32h 35m

£1,809

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 15/7

06:30-19:25

2 stops17h 55m

Washington, D.C. Dulles Intl

Thu 16/7

22:25-18:45

1 stop15h 20m

£1,898
Cheapest one-way

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 14/9

08:45-19:09

2 stops39h 24m

£313

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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 and Aer Lingus are the most popular carriers 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

17h 35m

Direct flights

None
The fastest flight from Belfast City Airport to Washington, D.C. Dulles Intl Airport takes 17h 35m
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

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 17h 35m.

  • 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
Front Royal
Winchester
Ellicott City
Cambridge
Glen Burnie
Westminster
Laurel
Lutherville Timonium
Ashburn
Lexington Park
Leesburg
Owings Mills

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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