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

British Airways is the most popular carrier operating from Washington, D.C. to Northern Ireland

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 Washington, D.C. to Belfast Intl Airport takes 11h 40m on average. On the other hand, flying from Baltimore to Belfast Intl Airport takes 12h 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.

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 February 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.

$647 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.

6:04 pm - 1:55 pm

BWI

BHD

14h 51m

2 stops

2:40 pm - 7:45 pm

BHD

BWI

33h 05m

1 stop

$647American Airlines

Sun, Feb 22 - Mon, Mar 9

6:20 pm - 9:10 am

IAD

BHD

9h 50m

1 stop

6:30 am - 3:35 pm

BHD

IAD

14h 05m

1 stop

$650British Airways

Wed, Mar 4 - Sun, Mar 8

6:20 pm - 9:10 am

IAD

BHD

9h 50m

1 stop

6:30 am - 3:35 pm

BHD

IAD

14h 05m

1 stop

$651British Airways

Wed, Mar 4 - Sun, Mar 8

6:20 pm - 10:15 am

IAD

BHD

10h 55m

1 stop

8:25 pm - 8:55 pm

BHD

IAD

28h 30m

1 stop

$652British Airways

Wed, Mar 4 - Sun, Mar 8

6:05 pm - 4:50 pm

IAD

BHD

17h 45m

1 stop

6:30 am - 5:05 pm

BHD

IAD

14h 35m

1 stop

$654KLM

Sun, Feb 22 - Mon, Mar 9

9:45 pm - 8:25 am

IAD

BHD

29h 40m

1 stop

6:35 am - 8:55 pm

BHD

IAD

18h 20m

1 stop

$657British Airways

Thu, Mar 5 - Thu, Mar 12

10:25 pm - 1:35 pm

IAD

BHD

10h 10m

1 stop

11:00 am - 5:25 pm

BHD

IAD

11h 25m

1 stop

$662British Airways

Wed, Apr 29 - Fri, May 8

6:00 am - 9:00 pm

BWI

BHD

34h 00m

2 stops

5:20 pm - 11:01 pm

BHD

BWI

33h 41m

2 stops

$676Delta

Sun, Feb 22 - Mon, Mar 9

6:05 pm - 4:50 pm

IAD

BHD

17h 45m

1 stop

6:30 am - 8:46 pm

BHD

IAD

18h 16m

2 stops

$681Multiple Airlines

Thu, Mar 5 - Thu, Mar 12

12:24 pm - 4:50 pm

IAD

BHD

23h 26m

2 stops

6:30 am - 7:19 pm

BHD

IAD

16h 49m

2 stops

$751Delta

Thu, Mar 5 - Thu, Mar 12

Aer Lingus flights from Washington, D.C. to Northern Ireland

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

Aer Lingus

Apr 2

IAD5:15 pmWashington, D.C. Dulles Intl

16h 40m

2 stops

BHD2:55 pmBelfast City

Apr 7

BHD10:55 amBelfast City

33h 50m

2 stops

IAD3:45 pmWashington, D.C. Dulles Intl

$868

Aer Lingus

Apr 2

IAD5:15 pmWashington, D.C. Dulles Intl

16h 40m

2 stops

BHD2:55 pmBelfast City

Apr 7

BHD10:55 amBelfast City

33h 50m

2 stops

IAD3:45 pmWashington, D.C. Dulles Intl

$880

Aer Lingus

May 5

IAD5:15 pmWashington, D.C. Dulles Intl

13h 40m

2 stops

BHD11:55 amBelfast City

May 8

BHD9:50 amBelfast City

14h 20m

2 stops

IAD7:10 pmWashington, D.C. Dulles Intl

$989

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 4

IAD6:20 pmWashington, D.C. Dulles Intl

9h 50m

1 stop

BHD9:10 amBelfast City

Mar 8

BHD10:40 amBelfast City

14h 15m

1 stop

IAD8:55 pmWashington, D.C. Dulles Intl

$650

British Airways

Mar 4

IAD6:20 pmWashington, D.C. Dulles Intl

9h 50m

1 stop

BHD9:10 amBelfast City

Mar 8

BHD6:30 amBelfast City

14h 05m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$651

British Airways

Mar 4

IAD6:20 pmWashington, D.C. Dulles Intl

10h 55m

1 stop

BHD10:15 amBelfast City

Mar 8

BHD8:25 pmBelfast City

28h 30m

1 stop

IAD8:55 pmWashington, D.C. Dulles Intl

$652

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

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Sun 2/22

6:04 pm-1:55 pm

2 stops14h 51m

Belfast City

Mon 3/9

2:40 pm-7:45 pm

1 stop33h 05m

$647

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 3/4

6:20 pm-9:10 am

1 stop9h 50m

Belfast City

Sun 3/8

6:30 am-3:35 pm

1 stop14h 05m

$650

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 3/4

6:20 pm-9:10 am

1 stop9h 50m

Belfast City

Sun 3/8

6:30 am-3:35 pm

1 stop14h 05m

$651

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 3/4

6:20 pm-10:15 am

1 stop10h 55m

Belfast City

Sun 3/8

8:25 pm-8:55 pm

1 stop28h 30m

$652

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 2/22

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Mon 3/9

6:30 am-5:05 pm

1 stop14h 35m

$654

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

9:45 pm-8:25 am

1 stop29h 40m

Belfast City

Thu 3/12

6:35 am-8:55 pm

1 stop18h 20m

$657

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/29

10:25 pm-1:35 pm

1 stop10h 10m

Belfast City

Fri 5/8

11:00 am-5:25 pm

1 stop11h 25m

$662

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Sun 2/22

6:00 am-9:00 pm

2 stops34h 00m

Belfast City

Mon 3/9

5:20 pm-11:01 pm

2 stops33h 41m

$676

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Thu 3/12

6:30 am-8:46 pm

2 stops18h 16m

$681

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-7:19 pm

2 stops16h 49m

$751

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 35% 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 February 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 $627	Free Cancellation	Rating 6.7 7,716 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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Complete your trip

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Popular cities in Northern Ireland

Flights to Londonfrom $341

Flights to Manchesterfrom $376

Flights to Edinburghfrom $354

Flights to Birminghamfrom $397

Flights to Glasgowfrom $359

Flights to Newcastle upon Tynefrom $517

Flights to Belfastfrom $451

Flights to Bristolfrom $390

Flights to Invernessfrom $423

Flights to Liverpoolfrom $438

Flights to Aberdeenfrom $533

Flights to Leedsfrom $446

Cheap flights from Washington, D.C. to Northern Ireland from $647

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

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Aer Lingus flights from Washington, D.C. to Northern Ireland

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

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

Our best British Airways 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

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

You could potentially save up to 35% 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?

British Airways is the most popular carrier 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

Washington, D.C. flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Northern Ireland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Northern Ireland

Explore popular destinations other users love

According to popular flight searches on momondo this year