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Cheap flights from Belfast City Airport to Washington, D.C. from $451

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 8/31. 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.
British Airways Logo
11:35 am - 7:40 pm
BHD
-
BWI
13h 05m
1 stop
British Airways Logo
9:30 pm - 3:30 pm
BWI
-
BHD
13h 00m
1 stop
$1,006British Airways
Mon, Sep 14 - Mon, Sep 21
British Airways Logo
9:40 am - 5:25 pm
BHD
-
IAD
12h 45m
1 stop
British Airways Logo
10:25 pm - 3:30 pm
IAD
-
BHD
12h 05m
1 stop
$1,006British Airways
Mon, Sep 14 - Mon, Sep 21
British Airways Logo
9:40 am - 8:15 pm
BHD
-
DCA
15h 35m
2 stops
British Airways Logo
6:00 pm - 12:55 pm
DCA
-
BHD
13h 55m
2 stops
$1,012British Airways
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
9:40 am - 5:25 pm
BHD
-
IAD
12h 45m
1 stop
Multiple Airlines Logo
8:15 pm - 3:30 pm
IAD
-
BHD
14h 15m
2 stops
$1,017Multiple Airlines
Mon, Sep 14 - Mon, Sep 21
British Airways Logo
9:40 am - 7:40 pm
BHD
-
BWI
15h 00m
1 stop
British Airways Logo
6:09 pm - 12:55 pm
BWI
-
BHD
13h 46m
2 stops
$1,017British Airways
Mon, Sep 14 - Mon, Sep 21
American Airlines Logo
4:25 pm - 7:40 pm
BHD
-
BWI
32h 15m
1 stop
American Airlines Logo
7:24 pm - 7:40 pm
BWI
-
BHD
19h 16m
2 stops
$1,028American Airlines
Tue, Jun 23 - Tue, Aug 11
American Airlines Logo
6:30 am - 7:28 pm
BHD
-
BWI
17h 58m
2 stops
American Airlines Logo
4:25 pm - 3:20 pm
BWI
-
BHD
17h 55m
2 stops
$1,034American Airlines
Tue, Jun 23 - Tue, Aug 11
American Airlines Logo
4:25 pm - 7:40 pm
BHD
-
BWI
32h 15m
1 stop
American Airlines Logo
7:24 pm - 7:40 pm
BWI
-
BHD
19h 16m
2 stops
$1,047American Airlines
Tue, Jun 23 - Tue, Aug 11
British Airways Logo
10:05 am - 5:45 pm
BHD
-
BWI
36h 40m
2 stops
British Airways Logo
8:19 pm - 12:55 pm
BWI
-
BHD
35h 36m
2 stops
$1,049British Airways
Wed, Sep 2 - Sun, Sep 6
Virgin Atlantic Logo
9:50 am - 10:59 pm
BHD
-
IAD
18h 09m
2 stops
Virgin Atlantic Logo
1:00 pm - 9:20 am
IAD
-
BHD
15h 20m
2 stops
$1,099Virgin Atlantic
Mon, Sep 14 - Mon, Sep 21

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

Our best British Airways deals on Belfast City Airport to Washington, D.C. flight tickets
British Airways
Sep 14
BHD9:40 amBelfast City
12h 45m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
Sep 21
IAD10:25 pmWashington, D.C. Dulles Intl
12h 05m
1 stop
BHD3:30 pmBelfast City
$1,006
British Airways
Sep 14
BHD9:40 amBelfast City
15h 35m
2 stops
DCA8:15 pmWashington, D.C. Reagan-National
Sep 21
DCA6:00 pmWashington, D.C. Reagan-National
13h 55m
2 stops
BHD12:55 pmBelfast City
$1,012
British Airways
Sep 14
BHD9:40 amBelfast City
15h 00m
1 stop
BWI7:40 pmBaltimore/Washington
Sep 21
BWI6:09 pmBaltimore/Washington
13h 46m
2 stops
BHD12:55 pmBelfast City
$1,017

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

Our best KLM deals on Belfast City Airport to Washington, D.C. flight tickets
KLM
Jun 23
BHD5:30 pmBelfast City
27h 05m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Aug 11
IAD12:29 pmWashington, D.C. Dulles Intl
15h 51m
2 stops
BHD9:20 amBelfast City
$1,497
KLM
Jun 23
BHD5:30 pmBelfast City
27h 05m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Aug 11
IAD12:29 pmWashington, D.C. Dulles Intl
15h 51m
2 stops
BHD9:20 amBelfast City
$1,499
KLM
Jun 23
BHD5:30 pmBelfast City
27h 05m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Aug 11
IAD12:29 pmWashington, D.C. Dulles Intl
15h 51m
2 stops
BHD9:20 amBelfast City
$1,500

momondo Fare Finder

 
Customize your flight search to find flights from Belfast City Airport to Washington, D.C. 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 25, 2026.
Use the filters below to find and compare flights from Belfast City Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Mon 9/14

11:35 am-7:40 pm

1 stop13h 05m

Baltimore/Washington

Mon 9/21

9:30 pm-3:30 pm

1 stop13h 00m

$1,006
Quickest round-trip

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 9/14

9:40 am-5:25 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Mon 9/21

10:25 pm-3:30 pm

1 stop12h 05m

$1,006

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mon 9/14

9:40 am-8:15 pm

2 stops15h 35m

Washington, D.C. Reagan-National

Mon 9/21

6:00 pm-12:55 pm

2 stops13h 55m

$1,012

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 9/14

9:40 am-5:25 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Mon 9/21

8:15 pm-3:30 pm

2 stops14h 15m

$1,017

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Mon 9/14

9:40 am-7:40 pm

1 stop15h 00m

Baltimore/Washington

Mon 9/21

6:09 pm-12:55 pm

2 stops13h 46m

$1,017

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 6/23

4:25 pm-7:40 pm

1 stop32h 15m

Baltimore/Washington

Tue 8/11

7:24 pm-7:40 pm

2 stops19h 16m

$1,028

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 6/23

6:30 am-7:28 pm

2 stops17h 58m

Baltimore/Washington

Tue 8/11

4:25 pm-3:20 pm

2 stops17h 55m

$1,034

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 6/23

4:25 pm-7:40 pm

1 stop32h 15m

Baltimore/Washington

Tue 8/11

7:24 pm-7:40 pm

2 stops19h 16m

$1,047

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Wed 9/2

10:05 am-5:45 pm

2 stops36h 40m

Baltimore/Washington

Sun 9/6

8:19 pm-12:55 pm

2 stops35h 36m

$1,049

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 9/14

9:50 am-10:59 pm

2 stops18h 09m

Washington, D.C. Dulles Intl

Mon 9/21

1:00 pm-9:20 am

2 stops15h 20m

$1,099

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.

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. flights?

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

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

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

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

Fastest flight time

13h 05m

Direct flights

None
The fastest flight from Belfast City Airport to Washington, D.C. takes 13h 05m
There are no direct flights from Belfast City Airport to Washington, D.C.. There are no popular flight routes from Belfast City Airport to Washington, D.C..
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Frequently asked questions about flying from Belfast City Airport to Washington, D.C.

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

    Washington, D.C. is 3375.4 mi away from Belfast City. In terms of flight time, this usually takes a little over 13h 05m.

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

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

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

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

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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
Waldorf
Woodbridge
Laurel
Gaithersburg
Colonial Beach
Fredericksburg
Silver Spring
Rockville
Towson
Manassas
Linthicum Heights
Tysons
Springfield
Bethesda
Fairfax
College Park

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. momondo allows you to filter the results for Belfast to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Belfast to Washington, D.C.?

momondo helps you find the best flight between Belfast and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Belfast. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices 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.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport