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Cheap flights from Washington, D.C. to Belfast from $626

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Belfast departing on 11/30. 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 Washington, D.C. to Belfast (WAS-BHD)

Cheap round-trip flights

British Airways Logo
6:20 pm - 1:55 pmIAD-BHD
14h 35m1 stop
British Airways Logo
6:45 am - 3:35 pmBHD-IAD
13h 50m1 stop
$626British Airways
Find Deal
Sun, Nov 30 - Fri, Dec 12
British Airways Logo
6:20 pm - 10:15 amIAD-BHD
10h 55m1 stop
British Airways Logo
9:10 am - 7:55 pmBHD-IAD
15h 45m1 stop
$631British Airways
Find Deal
Wed, Nov 12 - Sun, Nov 16
British Airways Logo
6:20 pm - 10:15 amIAD-BHD
10h 55m1 stop
British Airways Logo
10:40 am - 3:35 pmBHD-IAD
33h 55m1 stop
$632British Airways
Find Deal
Wed, Nov 12 - Sun, Nov 16
American Airlines Logo
2:45 pm - 10:40 amDCA-BHD
14h 55m2 stops
American Airlines Logo
11:35 am - 10:38 pmBHD-DCA
16h 03m2 stops
$645American Airlines
Find Deal
Mon, Dec 1 - Sat, Dec 13
Logo
5:50 pm - 8:50 amIAD-BHD
10h 00m1 stop
Logo
7:00 am - 6:24 pmBHD-IAD
40h 24m2 stops
$790
Find Deal
Mon, Sep 8 - Fri, Sep 12
Delta Logo
12:42 pm - 4:55 pmDCA-BHD
23h 13m2 stops
Delta Logo
5:25 pm - 4:00 pmBHD-DCA
27h 35m2 stops
$830Delta
Find Deal
Wed, Oct 8 - Sun, Oct 12
Delta Logo
8:17 pm - 9:15 pmIAD-BHD
19h 58m2 stops
Delta Logo
6:30 am - 11:06 pmBHD-IAD
21h 36m2 stops
$832Delta
Find Deal
Fri, Sep 19 - Mon, Sep 22
Logo
6:50 pm - 9:50 amBWI-BHD
34h 00m3 stops
Logo
2:25 pm - 5:40 pmBHD-BWI
32h 15m3 stops
$855
Find Deal
Fri, Sep 19 - Sun, Sep 21
KLM Logo
5:25 pm - 9:15 pmIAD-BHD
22h 50m1 stop
KLM Logo
6:30 am - 3:35 pmBHD-IAD
14h 05m1 stop
$888KLM
Find Deal
Thu, Aug 28 - Tue, Sep 2
KLM Logo
5:25 pm - 9:15 pmIAD-BHD
22h 50m1 stop
KLM Logo
6:30 am - 5:34 pmBHD-IAD
16h 04m2 stops
$898KLM
Find Deal
Thu, Aug 28 - Tue, Sep 2

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

Our best British Airways deals on Washington, D.C. to Belfast City Airport flight tickets
British Airways
Nov 30
IAD6:20 pmWashington, D.C. Dulles Intl
14h 35m
1 stop
BHD1:55 pmBelfast City
Dec 12
BHD6:45 amBelfast City
13h 50m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$626
Find similar
British Airways
Nov 12
IAD6:20 pmWashington, D.C. Dulles Intl
10h 55m
1 stop
BHD10:15 amBelfast City
Nov 16
BHD9:10 amBelfast City
15h 45m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
$631
Find similar
British Airways
Nov 12
IAD6:20 pmWashington, D.C. Dulles Intl
10h 55m
1 stop
BHD10:15 amBelfast City
Nov 16
BHD10:40 amBelfast City
33h 55m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$632
Find similar

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

Our best KLM deals on Washington, D.C. to Belfast City Airport flight tickets
KLM
Aug 28
IAD5:25 pmWashington, D.C. Dulles Intl
22h 50m
1 stop
BHD9:15 pmBelfast City
Sep 2
BHD6:30 amBelfast City
14h 05m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$888
Find similar
KLM
Aug 28
IAD5:25 pmWashington, D.C. Dulles Intl
22h 50m
1 stop
BHD9:15 pmBelfast City
Sep 2
BHD6:30 amBelfast City
16h 04m
2 stops
IAD5:34 pmWashington, D.C. Dulles Intl
$898
Find similar
KLM
Aug 28
IAD6:30 pmWashington, D.C. Dulles Intl
17h 25m
2 stops
BHD4:55 pmBelfast City
Sep 2
BHD6:30 amBelfast City
18h 13m
2 stops
IAD7:43 pmWashington, D.C. Dulles Intl
$1,119
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Belfast City 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 August 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 11/30

6:20 pm-1:55 pm

1 stop14h 35m

Belfast City

Fri 12/12

6:45 am-3:35 pm

1 stop13h 50m

$626

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/12

6:20 pm-10:15 am

1 stop10h 55m

Belfast City

Sun 11/16

9:10 am-7:55 pm

1 stop15h 45m

$631

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/12

6:20 pm-10:15 am

1 stop10h 55m

Belfast City

Sun 11/16

10:40 am-3:35 pm

1 stop33h 55m

$632

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 12/1

2:45 pm-10:40 am

2 stops14h 55m

Belfast City

Sat 12/13

11:35 am-10:38 pm

2 stops16h 03m

$645

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 9/8

5:50 pm-8:50 am

1 stop10h 00m

Belfast City

Fri 9/12

7:00 am-6:24 pm

2 stops40h 24m

$790

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 10/8

12:42 pm-4:55 pm

2 stops23h 13m

Belfast City

Sun 10/12

5:25 pm-4:00 pm

2 stops27h 35m

$830

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 9/19

8:17 pm-9:15 pm

2 stops19h 58m

Belfast City

Mon 9/22

6:30 am-11:06 pm

2 stops21h 36m

$832

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Fri 9/19

6:50 pm-9:50 am

3 stops34h 00m

Belfast City

Sun 9/21

2:25 pm-5:40 pm

3 stops32h 15m

$855

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 8/28

5:25 pm-9:15 pm

1 stop22h 50m

Belfast City

Tue 9/2

6:30 am-3:35 pm

1 stop14h 05m

$888

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 8/28

5:25 pm-9:15 pm

1 stop22h 50m

Belfast City

Tue 9/2

6:30 am-5:34 pm

2 stops16h 04m

$898

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Belfast from

How to get the cheapest flight ticket from Washington, D.C. to Belfast City 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 day to depart on your flight to Belfast City Airport?

On average, the least expensive day to fly to Belfast City Airport from Washington, D.C. is on a Thursday. momondo users have found tickets for Thursday departures for as low as $626. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $873.

What is the cheapest time of day to depart on your flight to Belfast City Airport?

According to our data, the cheapest time of day to fly to Belfast City Airport is in the afternoon. momondo users have found flights departing from Washington, D.C. to Belfast City Airport in the afternoon for as low as $708. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $779.

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

You could potentially save up to 26% on your flight if you consider stops on a Washington, D.C. to Belfast City Airport flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Belfast City Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Belfast City Airport (WAS to BHD) flight deals and tips

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

Best Price Found

$626

Fastest flight time

9h 50m

Direct flights

None
The best flight deal from Washington, D.C. to Belfast City Airport found on momondo in the last 72 hours is $626
The fastest flight from Washington, D.C. to Belfast City Airport takes 9h 50m
There are no direct flights from Washington, D.C. to Belfast City Airport. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Belfast City Airport, Baltimore/Washington Airport - Belfast City Airport and Washington, D.C. Reagan-National Airport - Belfast City Airport.
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  • How far is Washington, D.C. to Belfast City by plane?

    The distance between Washington, D.C. and Belfast City is about 3375.4 mi. Flights usually cover this in 9h 50m, depending on flying conditions and air traffic around both airports.

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

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

  • How many operators does momondo search for flights from Washington, D.C. to Belfast City Airport?

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

  • What documentation or ID do you need to fly to Belfast City Airport?

    The travel and health documents you'll need for your trip to Belfast City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Belfast City Airport

Compare and see reviews for airlines that fly from Washington, D.C. to Belfast City Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $620Free CancellationRating
6.6
7,271 reviews
Search British Airways flights

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Belfast for you.

Can I find flights from Washington, D.C. to Belfast with flexible booking policies on momondo?

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

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

momondo provides multiple filters to help you find the best flight to Belfast from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Washington, D.C. to Belfast 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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