Cheap flights from Washington, D.C. to Northern Ireland from $293

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 Northern Ireland departing on 3/5. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 pm - 8:10 pmBWI-BFS
19h 30m2 stops
Multiple Airlines Logo
7:00 am - 7:25 pmBFS-BWI
41h 25m2 stops
$553Multiple Airlines
Find Deal
Sun, Mar 22 - Sun, Mar 29
Multiple Airlines Logo
8:40 pm - 8:30 pmBWI-BHD
19h 50m2 stops
Multiple Airlines Logo
7:05 am - 7:25 pmBHD-BWI
41h 20m2 stops
$564Multiple Airlines
Find Deal
Sun, Mar 22 - Sun, Mar 29
Virgin Atlantic Logo
6:05 pm - 4:50 pmIAD-BHD
17h 45m1 stop
Virgin Atlantic Logo
6:30 am - 4:05 pmBHD-IAD
14h 35m1 stop
$628Virgin Atlantic
Find Deal
Mon, Dec 8 - Tue, Dec 23
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
$631British Airways
Find Deal
Thu, Mar 5 - Thu, Mar 12
British Airways Logo
10:45 pm - 4:05 pmIAD-BHD
13h 20m1 stop
British Airways Logo
5:35 pm - 4:35 pmBHD-IAD
27h 00m1 stop
$642British Airways
Find Deal
Mon, Mar 16 - Sun, Mar 22
American Airlines Logo
4:04 pm - 10:40 amDCA-BHD
14h 36m2 stops
American Airlines Logo
10:40 am - 10:46 pmBHD-DCA
16h 06m2 stops
$655American Airlines
Find Deal
Mon, Mar 16 - Sun, Mar 22
Delta Logo
3:35 pm - 4:50 pmIAD-BHD
20h 15m2 stops
Delta Logo
5:20 pm - 4:05 pmBHD-IAD
27h 45m1 stop
$657Delta
Find Deal
Mon, Nov 24 - Tue, Dec 2
Delta Logo
6:05 pm - 9:00 pmIAD-BHD
21h 55m1 stop
Delta Logo
6:30 am - 9:29 pmBHD-IAD
19h 59m2 stops
$663Delta
Find Deal
Wed, Nov 26 - Wed, Dec 3
Virgin Atlantic Logo
5:50 pm - 4:55 pmIAD-BHD
18h 05m1 stop
Virgin Atlantic Logo
5:25 pm - 3:35 pmBHD-IAD
27h 10m1 stop
$678Virgin Atlantic
Find Deal
Wed, Apr 1 - Sun, Apr 5
American Airlines Logo
8:19 pm - 4:05 pmBWI-BHD
15h 46m2 stops
American Airlines Logo
12:10 pm - 7:45 pmBHD-BWI
11h 35m1 stop
$811American Airlines
Find Deal
Mon, Mar 16 - Sun, Mar 22

Virgin Atlantic flights from Washington, D.C. to Northern Ireland

Our best Virgin Atlantic deals on Washington, D.C. to Northern Ireland flight tickets
Virgin Atlantic
Dec 8
IAD6:05 pmWashington, D.C. Dulles Intl
17h 45m
1 stop
BHD4:50 pmBelfast City
Dec 23
BHD6:30 amBelfast City
14h 35m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Virgin Atlantic
Apr 1
IAD5:50 pmWashington, D.C. Dulles Intl
18h 05m
1 stop
BHD4:55 pmBelfast City
Apr 5
BHD5:25 pmBelfast City
27h 10m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Virgin Atlantic
Apr 1
IAD12:30 pmWashington, D.C. Dulles Intl
23h 25m
2 stops
BHD4:55 pmBelfast City
Apr 5
BHD5:25 pmBelfast City
27h 10m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl

British Airways flights from Washington, D.C. to Northern Ireland

Our best British Airways deals on Washington, D.C. to Northern Ireland 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
British Airways
Mar 16
IAD10:45 pmWashington, D.C. Dulles Intl
13h 20m
1 stop
BHD4:05 pmBelfast City
Mar 22
BHD5:35 pmBelfast City
27h 00m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
British Airways
Mar 22
BWI9:35 pmBaltimore/Washington
31h 30m
1 stop
BHD9:05 amBelfast City
Mar 29
BHD6:05 pmBelfast City
30h 35m
1 stop
BWI7:40 pmBaltimore/Washington

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Northern Ireland 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 November 3, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Sun 3/22

8:40 pm-8:10 pm

2 stops19h 30m

Belfast Intl

Sun 3/29

7:00 am-7:25 pm

2 stops41h 25m

$553

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Sun 3/22

8:40 pm-8:30 pm

2 stops19h 50m

Belfast City

Sun 3/29

7:05 am-7:25 pm

2 stops41h 20m

$564

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 12/8

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Tue 12/23

6:30 am-4:05 pm

1 stop14h 35m

$628

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

6:20 pm-10:20 am

1 stop11h 00m

Belfast City

Thu 3/12

6:35 am-4:35 pm

1 stop14h 00m

$631

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 3/16

10:45 pm-4:05 pm

1 stop13h 20m

Belfast City

Sun 3/22

5:35 pm-4:35 pm

1 stop27h 00m

$642

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 3/16

4:04 pm-10:40 am

2 stops14h 36m

Belfast City

Sun 3/22

10:40 am-10:46 pm

2 stops16h 06m

$655

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 11/24

3:35 pm-4:50 pm

2 stops20h 15m

Belfast City

Tue 12/2

5:20 pm-4:05 pm

1 stop27h 45m

$657

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/26

6:05 pm-9:00 pm

1 stop21h 55m

Belfast City

Wed 12/3

6:30 am-9:29 pm

2 stops19h 59m

$663

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/1

5:50 pm-4:55 pm

1 stop18h 05m

Belfast City

Sun 4/5

5:25 pm-3:35 pm

1 stop27h 10m

$678

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Mon 3/16

8:19 pm-4:05 pm

2 stops15h 46m

Belfast City

Sun 3/22

12:10 pm-7:45 pm

1 stop11h 35m

$811

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Northern Ireland from

How to get the cheapest flight ticket from Washington, D.C. to Northern Ireland

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 Northern Ireland?

The cheapest day to depart on your flight to Northern Ireland is on a Tuesday when prices can be found for as low as $758. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Northern Ireland for around $845.

What is the cheapest time of day to depart on your flight to Northern Ireland?

In the afternoon is the cheapest time of day to fly from Washington, D.C. to Northern Ireland when you can find flight prices for as low as $767. Flying to Northern Ireland in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $800.

Can stopping save me money on Washington, D.C. to Northern Ireland flights?

You could potentially save up to 4% on your flight if you consider stops on a Washington, D.C. to Northern Ireland flight.

Cheap Washington, D.C. to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Northern Ireland

Direct flights

None
There are no direct flights from Washington, D.C. to Northern Ireland. There are no popular flight routes from Washington, D.C. to Northern Ireland.
  • When did momondo last update prices for flights from Washington, D.C. to Northern Ireland?

    Prices for flights from Washington, D.C. to Northern Ireland are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. to Northern Ireland?

  • How old do you have to be to fly from Washington, D.C. to Northern Ireland?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Washington, D.C. to Northern Ireland

Compare and see reviews for airlines that fly from Washington, D.C. to Northern Ireland with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $620Free CancellationRating
6.7
7,494 reviews
Search British Airways flights

Why use momondo?

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

Finding the right flight to Northern Ireland from Washington, D.C. 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 Northern Ireland quick and easy, saving you time and money.

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

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

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

momondo provides multiple filters to help you find the best flight to Northern Ireland 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 Northern Ireland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Northern Ireland, momondo offers a useful price alert feature which will track prices for flights to Northern Ireland from Washington, D.C. and alert you when they change.

An easier way to manage your Northern Ireland trip

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1 adult
Wed 12/3
Wed 12/10

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