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Cheap flights from Belfast City Airport to Washington, D.C. from $513

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 8/24. 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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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:25 pm - 8:20 pm
BHD
-
IAD
32h 55m
1 stop
American Airlines Logo
10:25 pm - 5:35 pm
IAD
-
BHD
14h 10m
1 stop
$1,038American Airlines
Tue, Jun 23 - Tue, Aug 11
American Airlines Logo
4:25 pm - 5:30 pm
BHD
-
IAD
30h 05m
1 stop
American Airlines Logo
5:34 pm - 3:20 pm
IAD
-
BHD
16h 46m
2 stops
$1,046American Airlines
Tue, Jun 23 - Tue, Aug 11
American Airlines Logo
4:25 pm - 8:20 pm
BHD
-
IAD
32h 55m
1 stop
American Airlines Logo
10:25 pm - 3:20 pm
IAD
-
BHD
11h 55m
1 stop
$1,048American Airlines
Tue, Jun 23 - Tue, Aug 11
American Airlines Logo
9:40 am - 5:30 pm
BHD
-
IAD
12h 50m
1 stop
American Airlines Logo
10:25 pm - 3:20 pm
IAD
-
BHD
11h 55m
1 stop
$1,124American Airlines
Tue, Jun 23 - Tue, Aug 11
Multiple Airlines Logo
7:00 am - 8:29 pm
BHD
-
IAD
18h 29m
2 stops
Multiple Airlines Logo
4:20 pm - 1:20 pm
IAD
-
BHD
16h 00m
2 stops
$1,149Multiple Airlines
Sun, May 24 - Mon, Sep 7
Multiple Airlines Logo
7:00 am - 8:29 pm
BHD
-
IAD
18h 29m
2 stops
Multiple Airlines Logo
6:10 pm - 9:20 am
IAD
-
BHD
10h 10m
1 stop
$1,156Multiple Airlines
Sun, May 24 - Mon, Sep 7
British Airways Logo
6:30 am - 3:50 pm
BHD
-
IAD
14h 20m
1 stop
British Airways Logo
5:45 pm - 10:45 am
IAD
-
BHD
12h 00m
1 stop
$1,165British Airways
Tue, Jun 23 - Tue, Aug 11
Multiple Airlines Logo
7:00 am - 8:29 pm
BHD
-
IAD
18h 29m
2 stops
Multiple Airlines Logo
8:15 am - 1:20 pm
IAD
-
BHD
24h 05m
3 stops
$1,188Multiple Airlines
Sun, May 24 - Mon, Sep 7
Virgin Atlantic Logo
5:30 pm - 3:35 pm
BHD
-
IAD
27h 05m
1 stop
Virgin Atlantic Logo
6:10 pm - 9:20 am
IAD
-
BHD
10h 10m
1 stop
$1,408Virgin Atlantic
Sun, May 24 - Mon, Sep 7
Delta Logo
9:50 am - 3:35 pm
BHD
-
IAD
10h 45m
1 stop
Delta Logo
12:29 pm - 9:20 am
IAD
-
BHD
15h 51m
2 stops
$1,512Delta
Tue, Jun 23 - Tue, Aug 11

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

Our best American Airlines deals on Belfast City Airport to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Jun 23
BHD4:25 pmBelfast City
32h 55m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
Aug 11
IAD10:25 pmWashington, D.C. Dulles Intl
14h 10m
1 stop
BHD5:35 pmBelfast City
$1,038
American Airlines
Jun 23
BHD4:25 pmBelfast City
30h 05m
1 stop
IAD5:30 pmWashington, D.C. Dulles Intl
Aug 11
IAD5:34 pmWashington, D.C. Dulles Intl
16h 46m
2 stops
BHD3:20 pmBelfast City
$1,046
American Airlines
Jun 23
BHD4:25 pmBelfast City
32h 55m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
Aug 11
IAD10:25 pmWashington, D.C. Dulles Intl
11h 55m
1 stop
BHD3:20 pmBelfast City
$1,048

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

Our best KLM deals on Belfast City Airport to Washington, D.C. Dulles Intl Airport flight tickets
KLM
Jun 23
BHD9:50 amBelfast City
14h 45m
2 stops
IAD7:35 pmWashington, D.C. Dulles Intl
Aug 11
IAD12:29 pmWashington, D.C. Dulles Intl
15h 51m
2 stops
BHD9:20 amBelfast City
$1,703
KLM
Jun 23
BHD9:50 amBelfast City
14h 45m
2 stops
IAD7:35 pmWashington, D.C. Dulles Intl
Aug 11
IAD12:29 pmWashington, D.C. Dulles Intl
15h 51m
2 stops
BHD9:20 amBelfast City
$1,707
KLM
Jun 23
BHD9:50 amBelfast City
14h 45m
2 stops
IAD7:35 pmWashington, D.C. Dulles Intl
Aug 11
IAD12:29 pmWashington, D.C. Dulles Intl
15h 51m
2 stops
BHD9:20 amBelfast City
$1,708

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated May 14, 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 round-trip

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 6/23

4:25 pm-8:20 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Tue 8/11

10:25 pm-5:35 pm

1 stop14h 10m

$1,038

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 6/23

4:25 pm-5:30 pm

1 stop30h 05m

Washington, D.C. Dulles Intl

Tue 8/11

5:34 pm-3:20 pm

2 stops16h 46m

$1,046

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 6/23

4:25 pm-8:20 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Tue 8/11

10:25 pm-3:20 pm

1 stop11h 55m

$1,048
Quickest round-trip

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 6/23

9:40 am-5:30 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Tue 8/11

10:25 pm-3:20 pm

1 stop11h 55m

$1,124

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sun 5/24

7:00 am-8:29 pm

2 stops18h 29m

Washington, D.C. Dulles Intl

Mon 9/7

4:20 pm-1:20 pm

2 stops16h 00m

$1,149

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sun 5/24

7:00 am-8:29 pm

2 stops18h 29m

Washington, D.C. Dulles Intl

Mon 9/7

6:10 pm-9:20 am

1 stop10h 10m

$1,156

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 6/23

6:30 am-3:50 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Tue 8/11

5:45 pm-10:45 am

1 stop12h 00m

$1,165

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sun 5/24

7:00 am-8:29 pm

2 stops18h 29m

Washington, D.C. Dulles Intl

Mon 9/7

8:15 am-1:20 pm

3 stops24h 05m

$1,188

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sun 5/24

5:30 pm-3:35 pm

1 stop27h 05m

Washington, D.C. Dulles Intl

Mon 9/7

6:10 pm-9:20 am

1 stop10h 10m

$1,408

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 6/23

9:50 am-3:35 pm

1 stop10h 45m

Washington, D.C. Dulles Intl

Tue 8/11

12:29 pm-9:20 am

2 stops15h 51m

$1,512

Flights are sorted by cheapest round-trip 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 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

Can stopping save me money on Belfast City Airport to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 16% on your flight if you consider stops on a Belfast City Airport to Washington, D.C. Dulles Intl Airport flight.

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 round-trip 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 20m

Direct flights

None
The fastest flight from Belfast City Airport to Washington, D.C. Dulles Intl Airport takes 14h 20m
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?

    Washington, D.C. Dulles Intl is 3389.6 mi away from Belfast City. Flights usually cover this in 14h 20m, depending on flying conditions and air traffic around both airports.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Gaithersburg
Colonial Beach
Fredericksburg
Silver Spring
Towson
Rockville
Manassas
Sterling
Linthicum Heights
Tysons
Bethesda
Springfield

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?

Yes. All flights to Washington, D.C. from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

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 not ready to book a flight from Belfast to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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