Cheap flights from Washington, D.C. to Northern Ireland from £187

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 24/2. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:40 - 20:10
IAD
-
BFS
19h 30m2 stops
Multiple Airlines Logo
06:30 - 18:30
BFS
-
IAD
17h 00m2 stops
£460Multiple Airlines
Mon, 2 Feb - Mon, 9 Feb
British Airways Logo
21:45 - 16:45
IAD
-
BHD
14h 00m1 stop
British Airways Logo
10:00 - 19:55
BHD
-
IAD
14h 55m1 stop
£463British Airways
Tue, 27 Jan - Tue, 3 Feb
British Airways Logo
20:35 - 14:50
BWI
-
BHD
13h 15m1 stop
British Airways Logo
19:25 - 18:45
BHD
-
BWI
28h 20m1 stop
£463British Airways
Tue, 27 Jan - Tue, 3 Feb
British Airways Logo
18:20 - 10:15
IAD
-
BHD
10h 55m1 stop
British Airways Logo
08:45 - 15:35
BHD
-
IAD
11h 50m1 stop
£465British Airways
Wed, 28 Jan - Tue, 3 Mar
British Airways Logo
20:35 - 14:00
BWI
-
BHD
12h 25m1 stop
British Airways Logo
09:10 - 18:45
BHD
-
BWI
14h 35m1 stop
£465British Airways
Thu, 5 Feb - Sun, 8 Feb
British Airways Logo
18:20 - 09:10
IAD
-
BHD
9h 50m1 stop
British Airways Logo
08:45 - 15:35
BHD
-
IAD
11h 50m1 stop
£469British Airways
Wed, 28 Jan - Tue, 3 Mar
American Airlines Logo
13:08 - 10:30
IAD
-
BHD
16h 22m2 stops
American Airlines Logo
11:30 - 23:12
BHD
-
IAD
16h 42m2 stops
£491American Airlines
Tue, 27 Jan - Mon, 2 Feb
American Airlines Logo
18:37 - 18:40
BWI
-
BHD
19h 03m2 stops
American Airlines Logo
08:45 - 22:57
BHD
-
BWI
19h 12m2 stops
£491American Airlines
Tue, 17 Feb - Tue, 24 Feb
Delta Logo
17:00 - 16:50
DCA
-
BHD
18h 50m2 stops
Delta Logo
17:20 - 16:19
BHD
-
DCA
27h 59m2 stops
£509Delta
Mon, 2 Feb - Tue, 10 Feb
KLM Logo
19:30 - 16:50
DCA
-
BHD
16h 20m2 stops
KLM Logo
17:20 - 17:04
BHD
-
DCA
28h 44m2 stops
£758KLM
Wed, 4 Feb - Sat, 7 Feb

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
27 Jan
IAD21:45Washington, D.C. Dulles Intl
14h 00m
1 stop
BHD16:45Belfast City
3 Feb
BHD10:00Belfast City
14h 55m
1 stop
IAD19:55Washington, D.C. Dulles Intl
British Airways
28 Jan
IAD18:20Washington, D.C. Dulles Intl
9h 50m
1 stop
BHD09:10Belfast City
3 Mar
BHD08:45Belfast City
11h 50m
1 stop
IAD15:35Washington, D.C. Dulles Intl
British Airways
22 Apr
BWI21:30Baltimore/Washington
11h 00m
1 stop
BHD13:30Belfast City
29 Apr
BHD10:00Belfast City
14h 40m
1 stop
BWI19:40Baltimore/Washington

American Airlines flights from Washington, D.C. to Northern Ireland

Our best American Airlines deals on Washington, D.C. to Northern Ireland flight tickets
American Airlines
27 Jan
IAD13:08Washington, D.C. Dulles Intl
16h 22m
2 stops
BHD10:30Belfast City
3 Feb
BHD08:45Belfast City
19h 27m
2 stops
IAD23:12Washington, D.C. Dulles Intl
American Airlines
22 Apr
BWI14:11Baltimore/Washington
18h 19m
2 stops
BHD13:30Belfast City
29 Apr
BHD06:50Belfast City
17h 50m
1 stop
BWI19:40Baltimore/Washington
American Airlines
22 Apr
BWI14:11Baltimore/Washington
18h 19m
2 stops
BHD13:30Belfast City
29 Apr
BHD10:00Belfast City
16h 32m
2 stops
BWI21:32Baltimore/Washington

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 20 December 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

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 2/2

19:40-20:10

2 stops19h 30m

Belfast Intl

Mon 9/2

06:30-18:30

2 stops17h 00m

£460

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 27/1

21:45-16:45

1 stop14h 00m

Belfast City

Tue 3/2

10:00-19:55

1 stop14h 55m

£463

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Tue 27/1

20:35-14:50

1 stop13h 15m

Belfast City

Tue 3/2

19:25-18:45

1 stop28h 20m

£463

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 28/1

18:20-10:15

1 stop10h 55m

Belfast City

Tue 3/3

08:45-15:35

1 stop11h 50m

£465

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Thu 5/2

20:35-14:00

1 stop12h 25m

Belfast City

Sun 8/2

09:10-18:45

1 stop14h 35m

£465

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 28/1

18:20-09:10

1 stop9h 50m

Belfast City

Tue 3/3

08:45-15:35

1 stop11h 50m

£469

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 27/1

13:08-10:30

2 stops16h 22m

Belfast City

Mon 2/2

11:30-23:12

2 stops16h 42m

£491

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Tue 17/2

18:37-18:40

2 stops19h 03m

Belfast City

Tue 24/2

08:45-22:57

2 stops19h 12m

£491

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 2/2

17:00-16:50

2 stops18h 50m

Belfast City

Tue 10/2

17:20-16:19

2 stops27h 59m

£509

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 4/2

19:30-16:50

2 stops16h 20m

Belfast City

Sat 7/2

17:20-17:04

2 stops28h 44m

£758

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 airline that flies from Washington, D.C. to Northern Ireland?

KLM and British Airways are the most popular carriers operating from Washington, D.C. to Northern Ireland

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

Fastest flight time

10h 55m

Direct flights

None
The fastest flight from Washington, D.C. to Northern Ireland takes 10h 55m
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 were last updated today.

  • 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.

Why use momondo?

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

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 Northern Ireland for you.

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

momondo does allow users to show only those flights to Northern Ireland from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Washington, D.C. and Northern Ireland 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 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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1 adult
Mon 19/1
Mon 26/1

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Popular Cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo