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

KLM is the most popular carrier operating from Washington, D.C. Dulles Intl to Northern Ireland

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Northern Ireland?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Northern Ireland.

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

The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$326 Cheap Flights from Washington, D.C. Dulles Intl Airport to Northern Ireland in 2025/26

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

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7:40 pm - 6:55 pmIAD-BFS

18h 15m2 stops

7:05 am - 6:30 pmBFS-IAD

16h 25m2 stops

$635Multiple Airlines

Find Deal

Sun, Nov 30 - Fri, Dec 5

6:20 pm - 10:20 amIAD-BHD

11h 00m1 stop

6:35 am - 8:55 pmBHD-IAD

18h 20m1 stop

$641British Airways

Find Deal

Thu, Mar 5 - Thu, Mar 12

6:05 pm - 9:00 pmIAD-BHD

21h 55m1 stop

6:30 am - 4:05 pmBHD-IAD

14h 35m1 stop

$657Virgin Atlantic

Find Deal

Wed, Nov 12 - Sun, Nov 16

5:50 pm - 8:50 amIAD-BHD

10h 00m1 stop

6:15 pm - 5:35 pmBHD-IAD

28h 20m1 stop

$661British Airways

Find Deal

Fri, Apr 3 - Wed, Apr 8

11:05 am - 9:00 pmIAD-BHD

28h 55m2 stops

6:30 am - 4:05 pmBHD-IAD

14h 35m1 stop

$662Virgin Atlantic

Find Deal

Wed, Nov 12 - Sun, Nov 16

6:05 pm - 4:50 pmIAD-BHD

17h 45m1 stop

5:20 pm - 7:12 pmBHD-IAD

30h 52m2 stops

$669Delta

Find Deal

Tue, Dec 30 - Sat, Jan 10

7:50 pm - 4:50 pmIAD-BHD

17h 00m2 stops

6:30 am - 5:05 pmBHD-IAD

14h 35m1 stop

$671KLM

Find Deal

Mon, Mar 16 - Sun, Mar 22

5:03 pm - 4:50 pmIAD-BHD

18h 47m2 stops

5:20 pm - 4:23 pmBHD-IAD

28h 03m2 stops

$672Delta

Find Deal

Wed, Nov 12 - Sun, Nov 16

6:05 pm - 9:00 pmIAD-BHD

21h 55m1 stop

5:20 pm - 4:05 pmBHD-IAD

27h 45m1 stop

$705KLM

Find Deal

Thu, Jan 1 - Wed, Jan 7

5:54 pm - 2:15 pmIAD-BHD

15h 21m2 stops

11:05 am - 11:54 pmBHD-IAD

16h 49m2 stops

$870American Airlines

Find Deal

Fri, Mar 6 - Thu, Mar 12

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

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

British Airways

Mar 5

IAD6:20 pmWashington, D.C. Dulles Intl

11h 00m

1 stop

BHD10:20 amBelfast City

Mar 12

BHD6:35 amBelfast City

18h 20m

1 stop

IAD8:55 pmWashington, D.C. Dulles Intl

$641

Find similar

British Airways

Apr 3

IAD5:50 pmWashington, D.C. Dulles Intl

10h 00m

1 stop

BHD8:50 amBelfast City

Apr 8

BHD6:15 pmBelfast City

28h 20m

1 stop

IAD5:35 pmWashington, D.C. Dulles Intl

$661

Find similar

British Airways

Dec 28

IAD6:20 pmWashington, D.C. Dulles Intl

11h 00m

1 stop

BHD10:20 amBelfast City

Jan 9

BHD6:45 amBelfast City

13h 50m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$676

Find similar

Virgin Atlantic flights from Washington, D.C. Dulles Intl Airport to Northern Ireland

Our best Virgin Atlantic deals on Washington, D.C. Dulles Intl Airport to Northern Ireland flight tickets

Virgin Atlantic

Nov 12

IAD6:05 pmWashington, D.C. Dulles Intl

21h 55m

1 stop

BHD9:00 pmBelfast City

Nov 16

BHD6:30 amBelfast City

14h 35m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$657

Find similar

Virgin Atlantic

Nov 12

IAD11:05 amWashington, D.C. Dulles Intl

28h 55m

2 stops

BHD9:00 pmBelfast City

Nov 16

BHD6:30 amBelfast City

14h 35m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$662

Find similar

Virgin Atlantic

Mar 5

IAD6:05 pmWashington, D.C. Dulles Intl

21h 55m

1 stop

BHD9:00 pmBelfast City

Mar 12

BHD6:30 amBelfast City

14h 35m

1 stop

IAD5:05 pmWashington, D.C. Dulles Intl

$667

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Sun 11/30

7:40 pm-6:55 pm

2 stops18h 15m

Belfast Intl

Fri 12/5

7:05 am-6:30 pm

2 stops16h 25m

$635

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

6:20 pm-10:20 am

1 stop11h 00m

Belfast City

Thu 3/12

6:35 am-8:55 pm

1 stop18h 20m

$641

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/12

6:05 pm-9:00 pm

1 stop21h 55m

Belfast City

Sun 11/16

6:30 am-4:05 pm

1 stop14h 35m

$657

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 4/3

5:50 pm-8:50 am

1 stop10h 00m

Belfast City

Wed 4/8

6:15 pm-5:35 pm

1 stop28h 20m

$661

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/12

11:05 am-9:00 pm

2 stops28h 55m

Belfast City

Sun 11/16

6:30 am-4:05 pm

1 stop14h 35m

$662

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 12/30

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Sat 1/10

5:20 pm-7:12 pm

2 stops30h 52m

$669

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 3/16

7:50 pm-4:50 pm

2 stops17h 00m

Belfast City

Sun 3/22

6:30 am-5:05 pm

1 stop14h 35m

$671

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/12

5:03 pm-4:50 pm

2 stops18h 47m

Belfast City

Sun 11/16

5:20 pm-4:23 pm

2 stops28h 03m

$672

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 1/1

6:05 pm-9:00 pm

1 stop21h 55m

Belfast City

Wed 1/7

5:20 pm-4:05 pm

1 stop27h 45m

$705

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 3/6

5:54 pm-2:15 pm

2 stops15h 21m

Belfast City

Thu 3/12

11:05 am-11:54 pm

2 stops16h 49m

$870

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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

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. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport to Northern Ireland flights?

You could potentially save up to 37% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Northern Ireland flight.

Cheap Washington, D.C. Dulles Intl Airport to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Northern Ireland

Direct flights	None

There are no direct flights from Washington, D.C. Dulles Intl Airport to Northern Ireland. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Northern Ireland.

Search flight deals

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Northern Ireland?
Prices for flights from Washington, D.C. Dulles Intl Airport to Northern Ireland are updated daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Northern Ireland?
There is 1 operator available for flights from Washington, D.C. Dulles Intl Airport to Northern Ireland as of October 2025.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Northern Ireland?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Northern Ireland

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Northern Ireland with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $620	Free Cancellation	Rating 6.7 7,446 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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Northern Ireland. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Washington, D.C. to Northern Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Of course. momondo tracks the price of Washington, D.C. to Northern Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Northern Ireland trip

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Find better results for your trip to Northern Ireland

Popular cities in Northern Ireland

Flights to Londonfrom $315

Flights to Manchesterfrom $364

Flights to Edinburghfrom $412

Flights to Glasgowfrom $398

Flights to Birminghamfrom $400

Flights to Newcastle upon Tynefrom $492

Flights to Belfastfrom $470

Flights to Bristolfrom $460

Flights to Invernessfrom $423

Flights to Liverpoolfrom $470

Flights to Aberdeenfrom $478

Flights to Leedsfrom $471

Washington, D.C. Dulles Intl Airport flight routes

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Flights from Washington, D.C. Dulles Intl to Atlanta Hartsfield-Jackson

Flights from Washington, D.C. Dulles Intl to Knoxville McGhee Tyson

Cheap flights from Washington, D.C. Dulles Intl Airport to Northern Ireland from $326

Big names and deals

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. Dulles Intl Airport to Northern Ireland

Cheap round-trip flights

Cheap one-way flights

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

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

Virgin Atlantic flights from Washington, D.C. Dulles Intl Airport to Northern Ireland

Our best Virgin Atlantic deals on Washington, D.C. Dulles Intl Airport to Northern Ireland flight tickets

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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 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. Dulles Intl Airport to Northern Ireland flights?

You could potentially save up to 37% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Northern Ireland flight.

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

KLM is the most popular carrier operating from Washington, D.C. Dulles Intl to Northern Ireland

Cheap Washington, D.C. Dulles Intl Airport to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Northern Ireland

Direct flights

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

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Northern Ireland?

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Northern Ireland?

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

Best airlines flying from Washington, D.C. Dulles Intl Airport to Northern Ireland

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport 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