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

British Airways, Air France, and KLM 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.

$276 Cheap Flights from Washington, D.C. Dulles Intl Airport to Northern Ireland in 2025

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

Round-trip

One-way

Last minute

Cheap round-trip flights

4:36 pm - 10:35 amIAD-BHD

12h 59m2 stops

7:30 pm - 3:00 pmBHD-IAD

24h 30m2 stops

$627British Airways

Find Deal

Tue, Aug 26 - Mon, Sep 8

7:21 pm - 6:45 pmIAD-BHD

18h 24m2 stops

7:30 pm - 3:00 pmBHD-IAD

24h 30m2 stops

$630British Airways

Find Deal

Thu, Sep 4 - Mon, Sep 8

10:45 pm - 3:30 pmIAD-BHD

11h 45m1 stop

12:10 pm - 8:45 pmBHD-IAD

12h 35m1 stop

$631American Airlines

Find Deal

Thu, Oct 23 - Sun, Oct 26

8:30 pm - 11:25 pmIAD-BFS

21h 55m2 stops

10:35 am - 7:20 pmBFS-IAD

37h 45m2 stops

$646

Find Deal

Thu, Oct 9 - Mon, Oct 13

8:30 pm - 11:25 pmIAD-BFS

21h 55m2 stops

10:35 am - 7:20 pmBFS-IAD

37h 45m2 stops

$648

Find Deal

Thu, Oct 9 - Mon, Oct 13

5:25 pm - 4:55 pmIAD-BHD

18h 30m1 stop

6:30 am - 3:35 pmBHD-IAD

14h 05m1 stop

$707Virgin Atlantic

Find Deal

Thu, Sep 4 - Mon, Sep 8

5:25 pm - 9:15 pmIAD-BHD

22h 50m1 stop

5:25 pm - 3:35 pmBHD-IAD

27h 10m1 stop

$708Delta

Find Deal

Fri, Sep 19 - Sun, Oct 5

6:15 pm - 9:15 pmIAD-BHD

22h 00m2 stops

6:30 am - 3:35 pmBHD-IAD

14h 05m1 stop

$712Delta

Find Deal

Thu, Sep 4 - Mon, Sep 8

5:25 pm - 4:55 pmIAD-BHD

18h 30m1 stop

5:25 pm - 11:56 amBHD-IAD

23h 31m2 stops

$717Virgin Atlantic

Find Deal

Sat, Sep 13 - Sun, Sep 21

6:15 pm - 10:05 amIAD-BHD

10h 50m1 stop

9:10 am - 3:35 pmBHD-IAD

11h 25m1 stop

$831American Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 16

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

Aug 26

IAD4:36 pmWashington, D.C. Dulles Intl

12h 59m

2 stops

BHD10:35 amBelfast City

Sep 8

BHD7:30 pmBelfast City

24h 30m

2 stops

IAD3:00 pmWashington, D.C. Dulles Intl

$627

Find similar

British Airways

Sep 4

IAD7:21 pmWashington, D.C. Dulles Intl

18h 24m

2 stops

BHD6:45 pmBelfast City

Sep 8

BHD7:30 pmBelfast City

24h 30m

2 stops

IAD3:00 pmWashington, D.C. Dulles Intl

$630

Find similar

British Airways

Sep 4

IAD7:21 pmWashington, D.C. Dulles Intl

18h 24m

2 stops

BHD6:45 pmBelfast City

Sep 8

BHD7:30 pmBelfast City

24h 30m

2 stops

IAD3:00 pmWashington, D.C. Dulles Intl

$632

Find similar

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

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

American Airlines

Oct 23

IAD10:45 pmWashington, D.C. Dulles Intl

11h 45m

1 stop

BHD3:30 pmBelfast City

Oct 26

BHD12:10 pmBelfast City

12h 35m

1 stop

IAD8:45 pmWashington, D.C. Dulles Intl

$631

Find similar

American Airlines

Nov 12

IAD6:15 pmWashington, D.C. Dulles Intl

10h 50m

1 stop

BHD10:05 amBelfast City

Nov 16

BHD9:10 amBelfast City

11h 25m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$831

Find similar

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 10% 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

Best Price Found	$276
Fastest flight time	10h 10m
Direct flights	None
Airports in Northern Ireland	2 airports

The best one-way flight to Northern Ireland from Washington, D.C. Dulles Intl Airport in the past 72 hours is $276. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Northern Ireland found on momondo in the last 72 hours is $627.

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

There are no direct flights from Washington, D.C. Dulles Intl Airport to Northern Ireland. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Belfast City Airport and Washington, D.C. Dulles Intl Airport - Belfast Intl Airport.

There are 2 airports near Northern Ireland: Belfast Intl (BFS), Belfast City (BHD)

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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 July 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 $578	Free Cancellation	Rating 6.6 7,141 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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Find better results for your trip to Northern Ireland

Popular cities in Northern Ireland

Flights to Londonfrom $270

Flights to Manchesterfrom $353

Flights to Edinburghfrom $329

Flights to Glasgowfrom $392

Flights to Birminghamfrom $410

Flights to Belfastfrom $473

Flights to Newcastle upon Tynefrom $477

Flights to Bristolfrom $457

Flights to Invernessfrom $403

Flights to Liverpoolfrom $441

Flights to Aberdeenfrom $508

Flights to Leedsfrom $482

Washington, D.C. Dulles Intl Airport flight routes

Washington, D.C. Dulles Intl to Tweed-New Haven

Washington, D.C. Dulles Intl to South Bend/Michiana

Washington, D.C. Dulles Intl to Nashville Intl

Washington, D.C. Dulles Intl to Wilmington New Hanover County

Washington, D.C. Dulles Intl to Asheville Regional

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

Cheap flights from Washington, D.C. Dulles Intl Airport to Northern Ireland from $276

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

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Cheap one-way flights

Cheap last minute 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

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

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

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 10% 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?

British Airways, Air France, and KLM are the most popular carriers 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

Best Price Found

Fastest flight time

Direct flights

Airports in Northern Ireland

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