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 10h 25m on average. On the other hand, flying from Washington, D.C. to Belfast Intl Airport takes 12h 05m 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?

British Airways, American Airlines, and Aer Lingus 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 March 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.

$316 Cheap Flights from Washington, D.C. to Northern Ireland in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

8:30 pm - 9:30 pm

IAD

BFS

20h 00m

2 stops

10:10 pm - 3:10 pm

BFS

IAD

46h 00m

3 stops

$731Multiple Airlines

вс., апр 19 - вс., апр 26

8:30 pm - 9:30 pm

IAD

BFS

20h 00m

2 stops

7:35 am - 3:10 pm

BFS

IAD

36h 35m

3 stops

$736Multiple Airlines

вс., апр 26 - вт., май 12

8:30 pm - 11:20 pm

IAD

BFS

21h 50m

3 stops

1:50 pm - 3:10 pm

BFS

IAD

30h 20m

3 stops

$790Multiple Airlines

пн., апр 6 - чт., апр 16

8:30 pm - 5:20 pm

IAD

BHD

15h 50m

2 stops

11:05 am - 3:10 pm

BHD

IAD

33h 05m

3 stops

$803Multiple Airlines

вс., апр 26 - вт., май 12

9:30 pm - 1:35 pm

IAD

BHD

11h 05m

1 stop

9:40 am - 7:40 pm

BHD

IAD

15h 00m

1 stop

$906British Airways

ср., сен 2 - вт., сен 15

9:35 pm - 2:35 pm

BWI

BHD

12h 00m

1 stop

10:05 am - 5:15 pm

BHD

BWI

12h 10m

1 stop

$906British Airways

вс., сен 6 - ср., сен 16

3:26 pm - 10:30 am

IAD

BHD

14h 04m

2 stops

1:45 pm - 8:20 pm

BHD

IAD

11h 35m

1 stop

$938American Airlines

вс., апр 26 - вт., май 12

6:21 pm - 2:35 pm

BWI

BHD

15h 14m

2 stops

10:05 am - 12:08 am

BHD

BWI

19h 03m

2 stops

$938American Airlines

вс., сен 6 - ср., сен 16

1:45 pm - 9:20 am

DCA

BHD

14h 35m

2 stops

9:50 am - 9:50 pm

BHD

DCA

17h 00m

2 stops

$989KLM

ср., авг 26 - ср., сен 2

12:59 pm - 9:20 am

DCA

BHD

15h 21m

2 stops

9:50 am - 8:33 pm

BHD

DCA

15h 43m

2 stops

$1,019KLM

вт., апр 28 - ср., май 6

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 2

IAD9:30 pmWashington, D.C. Dulles Intl

11h 05m

1 stop

BHD1:35 pmBelfast City

Sep 15

BHD9:40 amBelfast City

15h 00m

1 stop

IAD7:40 pmWashington, D.C. Dulles Intl

$906

British Airways

Aug 24

IAD5:40 pmWashington, D.C. Dulles Intl

14h 15m

1 stop

BHD12:55 pmBelfast City

Aug 31

BHD7:35 pmBelfast City

29h 45m

1 stop

IAD8:20 pmWashington, D.C. Dulles Intl

$921

British Airways

Sep 6

IAD5:40 pmWashington, D.C. Dulles Intl

11h 50m

1 stop

BHD10:30 amBelfast City

Sep 10

BHD7:30 pmBelfast City

26h 55m

1 stop

IAD5:25 pmWashington, D.C. Dulles Intl

$925

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

Apr 26

IAD3:26 pmWashington, D.C. Dulles Intl

14h 04m

2 stops

BHD10:30 amBelfast City

May 12

BHD1:45 pmBelfast City

11h 35m

1 stop

IAD8:20 pmWashington, D.C. Dulles Intl

$938

American Airlines

Apr 21

DCA3:15 pmWashington, D.C. Reagan-National

14h 30m

2 stops

BHD10:45 amBelfast City

Apr 28

BHD9:40 amBelfast City

17h 49m

2 stops

DCA10:29 pmWashington, D.C. Reagan-National

$952

American Airlines

Sep 6

BWI5:38 pmBaltimore/Washington

19h 02m

2 stops

BHD5:40 pmBelfast City

Sep 13

BHD11:00 amBelfast City

18h 08m

2 stops

BWI12:08 amBaltimore/Washington

$988

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

вс. 4/19

8:30 pm-9:30 pm

2 stops20h 00m

Belfast Intl

вс. 4/26

10:10 pm-3:10 pm

3 stops46h 00m

$731

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

вс. 4/26

8:30 pm-9:30 pm

2 stops20h 00m

Belfast Intl

вт. 5/12

7:35 am-3:10 pm

3 stops36h 35m

$736

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

пн. 4/6

8:30 pm-11:20 pm

3 stops21h 50m

Belfast Intl

чт. 4/16

1:50 pm-3:10 pm

3 stops30h 20m

$790

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

вс. 4/26

8:30 pm-5:20 pm

2 stops15h 50m

Belfast City

вт. 5/12

11:05 am-3:10 pm

3 stops33h 05m

$803

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

ср. 9/2

9:30 pm-1:35 pm

1 stop11h 05m

Belfast City

вт. 9/15

9:40 am-7:40 pm

1 stop15h 00m

$906

Quickest round-trip

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

вс. 9/6

9:35 pm-2:35 pm

1 stop12h 00m

Belfast City

ср. 9/16

10:05 am-5:15 pm

1 stop12h 10m

$906

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

вс. 4/26

3:26 pm-10:30 am

2 stops14h 04m

Belfast City

вт. 5/12

1:45 pm-8:20 pm

1 stop11h 35m

$938

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

вс. 9/6

6:21 pm-2:35 pm

2 stops15h 14m

Belfast City

ср. 9/16

10:05 am-12:08 am

2 stops19h 03m

$938

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

ср. 8/26

1:45 pm-9:20 am

2 stops14h 35m

Belfast City

ср. 9/2

9:50 am-9:50 pm

2 stops17h 00m

$989

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

вт. 4/28

12:59 pm-9:20 am

2 stops15h 21m

Belfast City

ср. 5/6

9:50 am-8:33 pm

2 stops15h 43m

$1,019

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	10h 20m
Direct flights	None

The fastest flight from Washington, D.C. to Northern Ireland takes 10h 20m

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

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 March 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 7,813 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.