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Cheap flights from Washington, D.C. to Belfast from $324

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 3/1. 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 Washington, D.C. to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
6:05 pm - 9:00 pmIAD-BHD
21h 55m1 stop
Virgin Atlantic Logo
6:30 am - 4:05 pmBHD-IAD
14h 35m1 stop
$634Virgin Atlantic
Find Deal
dom., nov. 23 - sáb., dic. 6
British Airways Logo
6:20 pm - 10:20 amIAD-BHD
11h 00m1 stop
British Airways Logo
6:35 am - 4:35 pmBHD-IAD
14h 00m1 stop
$640British Airways
Find Deal
jue., mar. 5 - jue., mar. 12
American Airlines Logo
6:20 pm - 9:10 amIAD-BHD
9h 50m1 stop
American Airlines Logo
6:35 am - 4:59 pmBHD-IAD
15h 24m2 stops
$645American Airlines
Find Deal
mié., nov. 26 - mié., dic. 3
Multiple Airlines Logo
6:05 pm - 4:50 pmIAD-BHD
17h 45m1 stop
Multiple Airlines Logo
5:20 pm - 4:05 pmBHD-IAD
27h 45m1 stop
$656Multiple Airlines
Find Deal
mié., nov. 26 - mié., dic. 3
American Airlines Logo
5:23 pm - 10:40 amDCA-BHD
13h 17m2 stops
American Airlines Logo
10:40 am - 10:46 pmBHD-DCA
16h 06m2 stops
$658American Airlines
Find Deal
lun., mar. 16 - dom., mar. 22
KLM Logo
6:05 pm - 9:00 pmIAD-BHD
21h 55m1 stop
KLM Logo
6:30 am - 4:23 pmBHD-IAD
14h 53m2 stops
$660KLM
Find Deal
dom., nov. 23 - sáb., dic. 6
Delta Logo
11:05 am - 4:50 pmIAD-BHD
24h 45m2 stops
Delta Logo
6:30 am - 4:05 pmBHD-IAD
14h 35m1 stop
$661Delta
Find Deal
mié., nov. 12 - dom., nov. 16
Delta Logo
6:05 pm - 9:00 pmIAD-BHD
21h 55m1 stop
Delta Logo
6:30 am - 11:08 pmBHD-IAD
21h 38m2 stops
$666Delta
Find Deal
mié., nov. 26 - mié., dic. 3
KLM Logo
7:59 pm - 4:55 pmIAD-BHD
15h 56m2 stops
KLM Logo
6:30 am - 4:29 pmBHD-IAD
14h 59m2 stops
$694KLM
Find Deal
lun., abr. 20 - sáb., may. 2
Multiple Airlines Logo
7:59 pm - 9:20 pmIAD-BHD
20h 21m2 stops
Multiple Airlines Logo
5:25 pm - 3:35 pmBHD-IAD
27h 10m1 stop
$750Multiple Airlines
Find Deal
lun., abr. 20 - sáb., may. 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
Mar 5
IAD6:20 pmWashington, D.C. Dulles Intl
11h 00m
1 stop
BHD10:20 amBelfast City
Mar 12
BHD6:35 amBelfast City
14h 00m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
$640
Find similar
British Airways
Mar 16
IAD10:45 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
BHD2:15 pmBelfast City
Mar 22
BHD8:25 pmBelfast City
24h 10m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
$646
Find similar
British Airways
Apr 4
IAD10:20 pmWashington, D.C. Dulles Intl
13h 55m
1 stop
BHD5:15 pmBelfast City
Apr 11
BHD7:05 amBelfast City
18h 15m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$652
Find similar

Virgin Atlantic flights from Washington, D.C. to Belfast City Airport

Our best Virgin Atlantic deals on Washington, D.C. to Belfast City Airport flight tickets
Virgin Atlantic
Nov 23
IAD6:05 pmWashington, D.C. Dulles Intl
21h 55m
1 stop
BHD9:00 pmBelfast City
Dec 6
BHD6:30 amBelfast City
14h 35m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$634
Find similar
Virgin Atlantic
Nov 12
IAD6:05 pmWashington, D.C. Dulles Intl
17h 45m
1 stop
BHD4:50 pmBelfast City
Nov 16
BHD5:20 pmBelfast City
27h 45m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$657
Find similar
Virgin Atlantic
Nov 12
IAD11:05 amWashington, D.C. Dulles Intl
24h 45m
2 stops
BHD4:50 pmBelfast City
Nov 16
BHD6:30 amBelfast City
17h 38m
2 stops
IAD7:08 pmWashington, D.C. Dulles Intl
$671
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 octubre 23, 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

dom. 11/23

6:05 pm-9:00 pm

1 stop21h 55m

Belfast City

sáb. 12/6

6:30 am-4:05 pm

1 stop14h 35m

$634

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

jue. 3/5

6:20 pm-10:20 am

1 stop11h 00m

Belfast City

jue. 3/12

6:35 am-4:35 pm

1 stop14h 00m

$640

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mié. 11/26

6:20 pm-9:10 am

1 stop9h 50m

Belfast City

mié. 12/3

6:35 am-4:59 pm

2 stops15h 24m

$645

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mié. 11/26

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

mié. 12/3

5:20 pm-4:05 pm

1 stop27h 45m

$656

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

lun. 3/16

5:23 pm-10:40 am

2 stops13h 17m

Belfast City

dom. 3/22

10:40 am-10:46 pm

2 stops16h 06m

$658

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

dom. 11/23

6:05 pm-9:00 pm

1 stop21h 55m

Belfast City

sáb. 12/6

6:30 am-4:23 pm

2 stops14h 53m

$660

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mié. 11/12

11:05 am-4:50 pm

2 stops24h 45m

Belfast City

dom. 11/16

6:30 am-4:05 pm

1 stop14h 35m

$661

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mié. 11/26

6:05 pm-9:00 pm

1 stop21h 55m

Belfast City

mié. 12/3

6:30 am-11:08 pm

2 stops21h 38m

$666

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

lun. 4/20

7:59 pm-4:55 pm

2 stops15h 56m

Belfast City

sáb. 5/2

6:30 am-4:29 pm

2 stops14h 59m

$694

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

lun. 4/20

7:59 pm-9:20 pm

2 stops20h 21m

Belfast City

sáb. 5/2

5:25 pm-3:35 pm

1 stop27h 10m

$750

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

Direct flights

None
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.
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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
6.7
7,468 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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