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 11h on average. On the other hand, flying from Washington, D.C. to Belfast Intl Airport takes 11h 15m 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?

Delta and British Airways 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 December 2025.

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.

$250 Cheap Flights from Washington, D.C. to Northern Ireland in 2025/26

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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:40 pm - 8:10 pm

IAD

BFS

19h 30m2 stops

6:30 am - 6:30 pm

BFS

IAD

17h 00m2 stops

$615Multiple Airlines

Mon, Feb 2 - Mon, Feb 9

9:45 pm - 4:45 pm

IAD

BHD

14h 00m1 stop

10:00 am - 7:55 pm

BHD

IAD

14h 55m1 stop

$619British Airways

Tue, Jan 27 - Tue, Feb 3

8:35 pm - 2:50 pm

BWI

BHD

13h 15m1 stop

7:25 pm - 6:45 pm

BHD

BWI

28h 20m1 stop

$619British Airways

Tue, Jan 27 - Tue, Feb 3

7:40 pm - 8:10 pm

IAD

BFS

19h 30m2 stops

6:30 am - 6:30 pm

BFS

IAD

17h 00m2 stops

$621Multiple Airlines

Mon, Feb 2 - Mon, Feb 9

6:20 pm - 9:10 am

IAD

BHD

9h 50m1 stop

8:45 am - 3:35 pm

BHD

IAD

11h 50m1 stop

$628British Airways

Wed, Jan 28 - Tue, Mar 3

7:40 pm - 4:00 pm

IAD

BFS

15h 20m2 stops

6:30 am - 6:30 pm

BFS

IAD

17h 00m2 stops

$635Multiple Airlines

Tue, Feb 3 - Tue, Feb 10

1:08 pm - 10:30 am

IAD

BHD

16h 22m2 stops

11:30 am - 11:12 pm

BHD

IAD

16h 42m2 stops

$657American Airlines

Tue, Jan 27 - Mon, Feb 2

6:37 pm - 6:40 pm

BWI

BHD

19h 03m2 stops

8:45 am - 10:57 pm

BHD

BWI

19h 12m2 stops

$657American Airlines

Tue, Feb 17 - Tue, Feb 24

12:24 pm - 4:50 pm

IAD

BHD

23h 26m2 stops

6:30 am - 5:05 pm

BHD

IAD

14h 35m1 stop

$671Delta

Thu, Mar 5 - Thu, Mar 12

6:05 pm - 4:50 pm

IAD

BHD

17h 45m1 stop

5:20 pm - 12:24 am

BHD

IAD

36h 04m2 stops

$676Delta

Tue, Jan 27 - Tue, Feb 3

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

Jan 27

IAD9:45 pmWashington, D.C. Dulles Intl

14h 00m

1 stop

BHD4:45 pmBelfast City

Feb 3

BHD10:00 amBelfast City

14h 55m

1 stop

IAD7:55 pmWashington, D.C. Dulles Intl

$619

Find similar

British Airways

Jan 28

IAD6:20 pmWashington, D.C. Dulles Intl

9h 50m

1 stop

BHD9:10 amBelfast City

Mar 3

BHD8:45 amBelfast City

11h 50m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$628

Find similar

British Airways

Apr 24

IAD10:25 pmWashington, D.C. Dulles Intl

14h 50m

1 stop

BHD6:15 pmBelfast City

Apr 27

BHD6:40 amBelfast City

14h 10m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

$636

Find similar

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

Jan 27

IAD1:08 pmWashington, D.C. Dulles Intl

16h 22m

2 stops

BHD10:30 amBelfast City

Feb 2

BHD11:30 amBelfast City

16h 42m

2 stops

IAD11:12 pmWashington, D.C. Dulles Intl

$657

Find similar

American Airlines

Apr 22

BWI2:11 pmBaltimore/Washington

18h 19m

2 stops

BHD1:30 pmBelfast City

Apr 29

BHD6:50 amBelfast City

17h 50m

1 stop

BWI7:40 pmBaltimore/Washington

$663

Find similar

American Airlines

Apr 22

BWI2:11 pmBaltimore/Washington

18h 19m

2 stops

BHD1:30 pmBelfast City

Apr 29

BHD10:00 amBelfast City

16h 32m

2 stops

BWI9:32 pmBaltimore/Washington

$673

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Northern Ireland that are best for you.

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Fly to

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 2/2

7:40 pm-8:10 pm

2 stops19h 30m

Belfast Intl

Mon 2/9

6:30 am-6:30 pm

2 stops17h 00m

$615

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 1/27

9:45 pm-4:45 pm

1 stop14h 00m

Belfast City

Tue 2/3

10:00 am-7:55 pm

1 stop14h 55m

$619

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Tue 1/27

8:35 pm-2:50 pm

1 stop13h 15m

Belfast City

Tue 2/3

7:25 pm-6:45 pm

1 stop28h 20m

$619

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 2/2

7:40 pm-8:10 pm

2 stops19h 30m

Belfast Intl

Mon 2/9

6:30 am-6:30 pm

2 stops17h 00m

$621

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 1/28

6:20 pm-9:10 am

1 stop9h 50m

Belfast City

Tue 3/3

8:45 am-3:35 pm

1 stop11h 50m

$628

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 2/3

7:40 pm-4:00 pm

2 stops15h 20m

Belfast Intl

Tue 2/10

6:30 am-6:30 pm

2 stops17h 00m

$635

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 1/27

1:08 pm-10:30 am

2 stops16h 22m

Belfast City

Mon 2/2

11:30 am-11:12 pm

2 stops16h 42m

$657

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Tue 2/17

6:37 pm-6:40 pm

2 stops19h 03m

Belfast City

Tue 2/24

8:45 am-10:57 pm

2 stops19h 12m

$657

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

12:24 pm-4:50 pm

2 stops23h 26m

Belfast City

Thu 3/12

6:30 am-5:05 pm

1 stop14h 35m

$671

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 1/27

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Tue 2/3

5:20 pm-12:24 am

2 stops36h 04m

$676

Flights are sorted by cheapest round-trip flights first.

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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

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

Fastest flight time	9h 50m
Direct flights	None

The fastest flight from Washington, D.C. to Northern Ireland takes 9h 50m

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 December 2025.
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 $620	Free Cancellation	Rating 6.7 7,600 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

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

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Tue 1/20

Tue 1/27

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Find better results for your trip to Northern Ireland

Popular cities in Northern Ireland

Flights to Londonfrom $337

Flights to Manchesterfrom $385

Flights to Edinburghfrom $365

Flights to Birminghamfrom $403

Flights to Glasgowfrom $393

Flights to Newcastle upon Tynefrom $478

Flights to Belfastfrom $480

Flights to Bristolfrom $423

Flights to Invernessfrom $417

Flights to Liverpoolfrom $424

Flights to Aberdeenfrom $522

Flights to Leedsfrom $420

Washington, D.C. flight routes

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Flights from Baltimore/Washington to Detroit Metropolitan Wayne County

Cheap flights from Washington, D.C. to Northern Ireland from $250

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Big names and deals

Filter for what you want

Filter for what you want

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

Cheap round-trip flights

Cheap one-way flights

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

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

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

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Northern Ireland that are best for you.

See travel insights to Northern Ireland from

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

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

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

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.

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

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

How long is the flight 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

Direct flights

When did momondo last update prices for flights from Washington, D.C. to Northern Ireland?

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?

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

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

Why use momondo?

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

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

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

I’m not ready to book a flight from Washington, D.C. to Northern Ireland right now. Can momondo alert me if prices change?

An easier way to manage your Northern Ireland trip

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Northern Ireland

Popular cities in Northern Ireland

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