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Cheap flights from Washington, D.C. to Belfast from $251

This is the cheapest one-way 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 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:45 pm - 4:45 pm
IAD
-
BHD
14h 00m1 stop
British Airways Logo
10:00 am - 7:55 pm
BHD
-
IAD
14h 55m1 stop
$619British Airways
Tue, Jan 27 - Tue, Feb 3
British Airways Logo
8:35 pm - 2:50 pm
BWI
-
BHD
13h 15m1 stop
British Airways Logo
7:25 pm - 6:45 pm
BHD
-
BWI
28h 20m1 stop
$619British Airways
Tue, Jan 27 - Tue, Feb 3
British Airways Logo
6:20 pm - 9:10 am
IAD
-
BHD
9h 50m1 stop
British Airways Logo
8:45 am - 3:35 pm
BHD
-
IAD
11h 50m1 stop
$628British Airways
Wed, Jan 28 - Tue, Mar 3
American Airlines Logo
1:08 pm - 10:30 am
IAD
-
BHD
16h 22m2 stops
American Airlines Logo
11:30 am - 11:12 pm
BHD
-
IAD
16h 42m2 stops
$657American Airlines
Tue, Jan 27 - Mon, Feb 2
American Airlines Logo
6:37 pm - 6:40 pm
BWI
-
BHD
19h 03m2 stops
American Airlines Logo
8:45 am - 10:57 pm
BHD
-
BWI
19h 12m2 stops
$657American Airlines
Tue, Feb 17 - Tue, Feb 24
Delta Logo
12:24 pm - 4:50 pm
IAD
-
BHD
23h 26m2 stops
Delta Logo
6:30 am - 5:05 pm
BHD
-
IAD
14h 35m1 stop
$671Delta
Thu, Mar 5 - Thu, Mar 12
Delta Logo
6:05 pm - 4:50 pm
IAD
-
BHD
17h 45m1 stop
Delta Logo
5:20 pm - 12:24 am
BHD
-
IAD
36h 04m2 stops
$676Delta
Tue, Jan 27 - Tue, Feb 3
Multiple Airlines Logo
5:30 pm - 4:30 pm
IAD
-
BHD
18h 00m2 stops
Multiple Airlines Logo
11:05 am - 9:00 pm
BHD
-
IAD
38h 55m3 stops
$677Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
Multiple Airlines Logo
6:00 am - 1:50 pm
DCA
-
BHD
26h 50m3 stops
Multiple Airlines Logo
6:00 pm - 3:33 pm
BHD
-
DCA
26h 33m3 stops
$782Multiple Airlines
Thu, Feb 5 - Sun, Feb 8
KLM Logo
7:30 pm - 4:50 pm
DCA
-
BHD
16h 20m2 stops
KLM Logo
5:20 pm - 5:04 pm
BHD
-
DCA
28h 44m2 stops
$1,014KLM
Wed, Feb 4 - Sat, Feb 7

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
Jan 27
IAD9:45 pmWashington, D.C. Dulles Intl
14h 00m
1 stop
BHD4:45 pmBelfast City
Feb 3
BHD10:00 amBelfast City
14h 55m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
$619
Find similar
British Airways
Jan 28
IAD6:20 pmWashington, D.C. Dulles Intl
9h 50m
1 stop
BHD9:10 amBelfast City
Mar 3
BHD8:45 amBelfast City
11h 50m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$628
Find similar
British Airways
Apr 24
IAD10:25 pmWashington, D.C. Dulles Intl
14h 50m
1 stop
BHD6:15 pmBelfast City
Apr 27
BHD6:40 amBelfast City
14h 10m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$636
Find similar

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

Our best American Airlines deals on Washington, D.C. to Belfast City Airport flight tickets
American Airlines
Jan 27
IAD1:08 pmWashington, D.C. Dulles Intl
16h 22m
2 stops
BHD10:30 amBelfast City
Feb 2
BHD11:30 amBelfast City
16h 42m
2 stops
IAD11:12 pmWashington, D.C. Dulles Intl
$657
Find similar
American Airlines
Feb 5
DCA5:45 pmWashington, D.C. Reagan-National
15h 15m
2 stops
BHD2:00 pmBelfast City
Feb 8
BHD6:30 amBelfast City
15h 20m
2 stops
DCA4:50 pmWashington, D.C. Reagan-National
$658
Find similar
American Airlines
Apr 22
BWI2:11 pmBaltimore/Washington
18h 19m
2 stops
BHD1:30 pmBelfast City
Apr 29
BHD6:50 amBelfast City
17h 50m
1 stop
BWI7:40 pmBaltimore/Washington
$663
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 December 21, 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

Tue 1/27

9:45 pm-4:45 pm

1 stop14h 00m

Belfast City

Tue 2/3

10:00 am-7:55 pm

1 stop14h 55m

$619

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Tue 1/27

8:35 pm-2:50 pm

1 stop13h 15m

Belfast City

Tue 2/3

7:25 pm-6:45 pm

1 stop28h 20m

$619

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 1/28

6:20 pm-9:10 am

1 stop9h 50m

Belfast City

Tue 3/3

8:45 am-3:35 pm

1 stop11h 50m

$628

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 1/27

1:08 pm-10:30 am

2 stops16h 22m

Belfast City

Mon 2/2

11:30 am-11:12 pm

2 stops16h 42m

$657

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Tue 2/17

6:37 pm-6:40 pm

2 stops19h 03m

Belfast City

Tue 2/24

8:45 am-10:57 pm

2 stops19h 12m

$657

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

12:24 pm-4:50 pm

2 stops23h 26m

Belfast City

Thu 3/12

6:30 am-5:05 pm

1 stop14h 35m

$671

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 1/27

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Tue 2/3

5:20 pm-12:24 am

2 stops36h 04m

$676

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 2/17

5:30 pm-4:30 pm

2 stops18h 00m

Belfast City

Tue 2/24

11:05 am-9:00 pm

3 stops38h 55m

$677

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 2/5

6:00 am-1:50 pm

3 stops26h 50m

Belfast City

Sun 2/8

6:00 pm-3:33 pm

3 stops26h 33m

$782

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 2/4

7:30 pm-4:50 pm

2 stops16h 20m

Belfast City

Sat 2/7

5:20 pm-5:04 pm

2 stops28h 44m

$1,014

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 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 4% 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

Fastest flight time

9h 50m

Direct flights

None
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. There are no popular flight routes from Washington, D.C. to Belfast City Airport.
Search flight deals

  • 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
6.7
7,600 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.

An easier way to manage your Belfast City Airport trip

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