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

Delta, British Airways, and Aer Lingus are the most popular carriers 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.

$309 Cheap Flights from Washington, D.C. Dulles Intl Airport to Northern Ireland in 2026

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 pm - 3:15 pm

IAD

BFS

13h 45m

2 stops

7:30 am - 7:20 pm

BFS

IAD

16h 50m

2 stops

$634Multiple Airlines

Tue, Apr 7 - Wed, Apr 15

7:20 pm - 10:30 am

IAD

BHD

11h 10m

1 stop

8:25 pm - 5:25 pm

BHD

IAD

26h 00m

1 stop

$647British Airways

Tue, Mar 24 - Tue, Mar 31

8:30 pm - 7:40 pm

IAD

BFS

18h 10m

2 stops

8:30 am - 3:10 pm

BFS

IAD

35h 40m

3 stops

$652Multiple Airlines

Tue, Apr 7 - Wed, Apr 15

5:40 pm - 9:00 am

IAD

BHD

10h 20m

1 stop

8:35 pm - 3:50 pm

BHD

IAD

24h 15m

1 stop

$658British Airways

Tue, Apr 7 - Wed, Apr 15

8:30 pm - 8:40 pm

IAD

BFS

19h 10m

2 stops

9:10 am - 3:10 pm

BFS

IAD

35h 00m

2 stops

$658Multiple Airlines

Mon, Apr 6 - Mon, Apr 13

10:45 pm - 4:40 pm

IAD

BHD

13h 55m

1 stop

10:40 am - 8:55 pm

BHD

IAD

14h 15m

1 stop

$667British Airways

Thu, Mar 19 - Thu, Mar 26

7:05 pm - 4:40 pm

IAD

BHD

17h 35m

1 stop

5:20 pm - 5:05 pm

BHD

IAD

27h 45m

1 stop

$669Multiple Airlines

Thu, Mar 19 - Thu, Mar 26

12:24 pm - 4:50 pm

IAD

BHD

23h 26m

2 stops

6:30 am - 5:05 pm

BHD

IAD

14h 35m

1 stop

$673Delta

Thu, Mar 5 - Thu, Mar 12

12:24 pm - 4:50 pm

IAD

BHD

23h 26m

2 stops

6:30 am - 5:05 pm

BHD

IAD

14h 35m

1 stop

$675Delta

Thu, Mar 5 - Thu, Mar 12

7:05 pm - 4:40 pm

IAD

BHD

17h 35m

1 stop

5:20 pm - 7:19 pm

BHD

IAD

29h 59m

2 stops

$732Scandinavian Airlines

Thu, Mar 19 - Thu, Mar 26

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

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

Delta

Mar 5

IAD12:24 pmWashington, D.C. Dulles Intl

23h 26m

2 stops

BHD4:50 pmBelfast City

Mar 12

BHD6:30 amBelfast City

14h 35m

1 stop

IAD5:05 pmWashington, D.C. Dulles Intl

$673

Delta

Mar 5

IAD12:24 pmWashington, D.C. Dulles Intl

23h 26m

2 stops

BHD4:50 pmBelfast City

Mar 12

BHD6:30 amBelfast City

14h 35m

1 stop

IAD5:05 pmWashington, D.C. Dulles Intl

$675

Delta

Mar 5

IAD12:24 pmWashington, D.C. Dulles Intl

23h 26m

2 stops

BHD4:50 pmBelfast City

Mar 12

BHD6:30 amBelfast City

21h 57m

2 stops

IAD12:27 amWashington, D.C. Dulles Intl

$683

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 24

IAD7:20 pmWashington, D.C. Dulles Intl

11h 10m

1 stop

BHD10:30 amBelfast City

Mar 31

BHD8:25 pmBelfast City

26h 00m

1 stop

IAD5:25 pmWashington, D.C. Dulles Intl

$647

British Airways

Apr 7

IAD5:40 pmWashington, D.C. Dulles Intl

10h 20m

1 stop

BHD9:00 amBelfast City

Apr 15

BHD8:35 pmBelfast City

24h 15m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

$658

British Airways

Mar 19

IAD10:45 pmWashington, D.C. Dulles Intl

13h 55m

1 stop

BHD4:40 pmBelfast City

Mar 26

BHD10:40 amBelfast City

14h 15m

1 stop

IAD8:55 pmWashington, D.C. Dulles Intl

$667

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

Tue 4/7

8:30 pm-3:15 pm

2 stops13h 45m

Belfast Intl

Wed 4/15

7:30 am-7:20 pm

2 stops16h 50m

$634

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 3/24

7:20 pm-10:30 am

1 stop11h 10m

Belfast City

Tue 3/31

8:25 pm-5:25 pm

1 stop26h 00m

$647

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 4/7

8:30 pm-7:40 pm

2 stops18h 10m

Belfast Intl

Wed 4/15

8:30 am-3:10 pm

3 stops35h 40m

$652

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 4/7

5:40 pm-9:00 am

1 stop10h 20m

Belfast City

Wed 4/15

8:35 pm-3:50 pm

1 stop24h 15m

$658

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 4/6

8:30 pm-8:40 pm

2 stops19h 10m

Belfast Intl

Mon 4/13

9:10 am-3:10 pm

2 stops35h 00m

$658

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/19

10:45 pm-4:40 pm

1 stop13h 55m

Belfast City

Thu 3/26

10:40 am-8:55 pm

1 stop14h 15m

$667

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/19

7:05 pm-4:40 pm

1 stop17h 35m

Belfast City

Thu 3/26

5:20 pm-5:05 pm

1 stop27h 45m

$669

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

$673

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

$675

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/19

7:05 pm-4:40 pm

1 stop17h 35m

Belfast City

Thu 3/26

5:20 pm-7:19 pm

2 stops29h 59m

$732

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. 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

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Airlines

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

You could potentially save up to 3% 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

Fastest flight time	10h 20m
Direct flights	None

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

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.

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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 February 2026.
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 $627	Free Cancellation	Rating 6.7 7,759 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.

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Flights to Londonfrom $332

Flights to Manchesterfrom $345

Flights to Edinburghfrom $404

Flights to Glasgowfrom $341

Flights to Birminghamfrom $389

Flights to Newcastle upon Tynefrom $460

Flights to Belfastfrom $566

Flights to Bristolfrom $519

Flights to Invernessfrom $421

Flights to Liverpoolfrom $425

Flights to Leedsfrom $462

Flights to Aberdeenfrom $552

Cheap flights from Washington, D.C. Dulles Intl Airport to Northern Ireland from $309

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

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

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

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

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.

See travel insights to Northern Ireland from

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

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

What is the cheapest airline that flies 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

Fastest flight time

Direct flights

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

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