How long is the flight from Washington, D.C. to Northern Ireland?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Northern Ireland you fly into. For example, flying from Baltimore to Belfast Intl Airport takes 12h on average. On the other hand, flying from Washington, D.C. to Belfast Intl Airport takes 13h 10m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What is the cheapest airline that flies from Washington, D.C. to Northern Ireland?

KLM, British Airways, and American Airlines are the most popular carriers operating 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?

The number of operators available for flights from Washington, D.C. to Northern Ireland is 1 as of May 2026.

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.

$357 Cheap Flights from Washington, D.C. to Northern Ireland in 2026

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Find the cheapest flights from Washington, D.C. to Northern Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:05 pm - 4:30 pm

IAD

BFS

19h 25m

2 stops

8:30 am - 8:35 pm

BFS

IAD

41h 05m

3 stops

$921Multiple Airlines

Fri, Jun 5 - Wed, Jun 10

12:45 pm - 2:55 pm

DCA

BHD

21h 10m

3 stops

7:00 am - 6:13 pm

BHD

DCA

40h 13m

3 stops

$933Multiple Airlines

Sun, Jun 7 - Thu, Jun 11

9:45 am - 8:05 pm

IAD

BFS

30h 20m

3 stops

8:00 pm - 6:45 pm

BFS

IAD

27h 45m

3 stops

$942Multiple Airlines

Sun, Oct 25 - Sun, Nov 1

8:30 pm - 9:30 pm

IAD

BFS

20h 00m

2 stops

6:20 am - 3:45 pm

BFS

IAD

38h 25m

3 stops

$943Multiple Airlines

Sun, Jul 19 - Thu, Jul 23

8:18 am - 4:30 pm

IAD

BFS

27h 12m

3 stops

8:30 am - 8:35 pm

BFS

IAD

41h 05m

3 stops

$944Multiple Airlines

Fri, Jun 5 - Wed, Jun 10

10:25 pm - 3:30 pm

IAD

BHD

12h 05m

1 stop

9:35 am - 5:25 pm

BHD

IAD

12h 50m

1 stop

$979British Airways

Mon, Sep 7 - Fri, Sep 11

9:35 pm - 2:35 pm

BWI

BHD

12h 00m

1 stop

4:35 pm - 7:40 pm

BHD

BWI

32h 05m

1 stop

$979British Airways

Sun, Sep 27 - Thu, Oct 1

3:54 pm - 10:20 am

BWI

BHD

14h 26m

2 stops

6:30 am - 7:30 pm

BHD

BWI

18h 00m

2 stops

$1,043American Airlines

Sun, Oct 25 - Sun, Nov 1

2:55 pm - 10:20 am

DCA

BHD

15h 25m

2 stops

6:30 am - 4:51 pm

BHD

DCA

15h 21m

2 stops

$1,043American Airlines

Sun, Oct 25 - Sun, Nov 1

11:45 am - 9:20 am

DCA

BHD

16h 35m

2 stops

9:50 am - 11:21 pm

BHD

DCA

18h 31m

2 stops

$1,280Delta

Sun, Jun 7 - Sun, Jun 14

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

Sep 7

IAD10:25 pmWashington, D.C. Dulles Intl

12h 05m

1 stop

BHD3:30 pmBelfast City

Sep 11

BHD9:35 amBelfast City

12h 50m

1 stop

IAD5:25 pmWashington, D.C. Dulles Intl

$979

British Airways

Sep 7

IAD7:15 pmWashington, D.C. Dulles Intl

12h 40m

1 stop

BHD12:55 pmBelfast City

Sep 11

BHD9:35 amBelfast City

12h 50m

1 stop

IAD5:25 pmWashington, D.C. Dulles Intl

$980

British Airways

Oct 25

IAD10:45 pmWashington, D.C. Dulles Intl

14h 05m

1 stop

BHD4:50 pmBelfast City

Nov 1

BHD9:10 amBelfast City

11h 25m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$1,025

KLM flights from Washington, D.C. to Northern Ireland

Our best KLM deals on Washington, D.C. to Northern Ireland flight tickets

KLM

May 11

IAD12:40 pmWashington, D.C. Dulles Intl

15h 40m

2 stops

BHD9:20 amBelfast City

May 25

BHD5:30 pmBelfast City

27h 05m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$1,135

KLM

May 18

IAD6:10 pmWashington, D.C. Dulles Intl

17h 45m

1 stop

BHD4:55 pmBelfast City

May 25

BHD5:30 pmBelfast City

27h 05m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$1,138

KLM

May 13

IAD1:32 pmWashington, D.C. Dulles Intl

14h 48m

2 stops

BHD9:20 amBelfast City

May 17

BHD9:50 amBelfast City

10h 45m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$1,178

momondo Fare Finder

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

Cheapest round-trip

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Fri 6/5

4:05 pm-4:30 pm

2 stops19h 25m

Belfast Intl

Wed 6/10

8:30 am-8:35 pm

3 stops41h 05m

$921

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 6/7

12:45 pm-2:55 pm

3 stops21h 10m

Belfast City

Thu 6/11

7:00 am-6:13 pm

3 stops40h 13m

$933

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 10/25

9:45 am-8:05 pm

3 stops30h 20m

Belfast Intl

Sun 11/1

8:00 pm-6:45 pm

3 stops27h 45m

$942

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 7/19

8:30 pm-9:30 pm

2 stops20h 00m

Belfast Intl

Thu 7/23

6:20 am-3:45 pm

3 stops38h 25m

$943

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Fri 6/5

8:18 am-4:30 pm

3 stops27h 12m

Belfast Intl

Wed 6/10

8:30 am-8:35 pm

3 stops41h 05m

$944

Quickest round-trip

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 9/7

10:25 pm-3:30 pm

1 stop12h 05m

Belfast City

Fri 9/11

9:35 am-5:25 pm

1 stop12h 50m

$979

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Sun 9/27

9:35 pm-2:35 pm

1 stop12h 00m

Belfast City

Thu 10/1

4:35 pm-7:40 pm

1 stop32h 05m

$979

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Sun 10/25

3:54 pm-10:20 am

2 stops14h 26m

Belfast City

Sun 11/1

6:30 am-7:30 pm

2 stops18h 00m

$1,043

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 10/25

2:55 pm-10:20 am

2 stops15h 25m

Belfast City

Sun 11/1

6:30 am-4:51 pm

2 stops15h 21m

$1,043

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 6/7

11:45 am-9:20 am

2 stops16h 35m

Belfast City

Sun 6/14

9:50 am-11:21 pm

2 stops18h 31m

$1,280

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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

You could potentially save up to 49% 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

Fastest flight time	12h 00m
Direct flights	None

The fastest flight from Washington, D.C. to Northern Ireland takes 12h 00m

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.

Search flight deals

Frequently asked questions about flying 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?
The number of operators available for flights from Washington, D.C. to Northern Ireland is 1 as of May 2026.
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 Airways	PriceFrom $652	Free Cancellation	Rating 6.7 7,969 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.