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

Icelandair, TAP AIR PORTUGAL, and Air Canada are the most popular carriers operating from Washington, D.C. Dulles Intl to Ireland

How many flights depart from Washington, D.C. Dulles Intl Airport to Ireland on average per day?

13 flights are operational daily from Washington, D.C. Dulles Intl Airport to Ireland as of December 2025. The most popular departure time for this route is 5:00PM, with 61% of flights per day taking off in the evening.

What is the most punctual flight time for Washington, D.C. to Ireland flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What airlines fly to Ireland?

Aer Lingus, United Airlines and Icelandair are the top three most popular airlines that fly to Ireland from Washington, D.C. Dulles Intl Airport according to our data. Aer Lingus is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 12 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

How often are flights from Washington, D.C. to Ireland delayed?

Historically, on average around 20% of flights between Washington, D.C. and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 166 minutes.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to Ireland flights?

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

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

Prices for flights from Washington, D.C. Dulles Intl Airport to Ireland are refreshed on a daily basis.

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

As of December 2025, there are 12 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Ireland.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Ireland.

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

The travel and health documents you'll need for your trip to 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 Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$248 Cheap Flights from Washington, D.C. Dulles Intl Airport to Ireland in 2025/26

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

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 pm - 11:45 am

IAD

DUB

34h 15m1 stop

10:10 am - 6:50 pm

DUB

IAD

13h 40m1 stop

$492Scandinavian Airlines

Sat, Feb 21 - Sat, Feb 28

8:30 pm - 10:45 am

IAD

DUB

33h 15m2 stops

10:10 am - 6:50 pm

DUB

IAD

13h 40m1 stop

$493Scandinavian Airlines

Sat, Feb 21 - Sat, Feb 28

8:30 pm - 10:45 am

IAD

DUB

33h 15m2 stops

11:40 am - 4:50 pm

DUB

IAD

34h 10m2 stops

$494Scandinavian Airlines

Wed, Feb 25 - Wed, Apr 29

6:20 pm - 11:30 am

IAD

SNN

12h 10m1 stop

7:50 am - 3:35 pm

SNN

IAD

12h 45m1 stop

$607American Airlines

Tue, Jan 13 - Tue, Jan 20

1:08 pm - 11:30 am

IAD

SNN

17h 22m2 stops

7:50 am - 7:55 pm

SNN

IAD

17h 05m1 stop

$614American Airlines

Tue, Jan 13 - Tue, Jan 20

5:40 pm - 4:35 pm

IAD

ORK

17h 55m1 stop

5:10 pm - 3:35 pm

ORK

IAD

27h 25m1 stop

$647KLM

Sun, Apr 12 - Sat, Apr 18

6:50 pm - 3:00 pm

IAD

ORK

15h 10m1 stop

6:00 am - 4:46 pm

ORK

IAD

15h 46m2 stops

$703KLM

Fri, Jan 30 - Fri, Feb 6

6:10 pm - 3:10 pm

IAD

ORK

16h 00m2 stops

8:30 pm - 3:50 pm

ORK

IAD

24h 20m2 stops

$801British Airways

Sun, Apr 12 - Sat, Apr 18

10:25 pm - 3:10 pm

IAD

ORK

11h 45m1 stop

8:30 pm - 3:50 pm

ORK

IAD

24h 20m2 stops

$804British Airways

Sun, Apr 12 - Sat, Apr 18

5:05 pm - 2:00 pm

IAD

CFN

15h 55m1 stop

7:55 am - 3:35 pm

CFN

IAD

12h 40m1 stop

$897Aer Lingus

Tue, Jan 13 - Tue, Jan 20

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

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

Delta

May 22

IAD7:59 pmWashington, D.C. Dulles Intl

10h 11m

1 stop

SNN11:10 amShannon

May 31

SNN1:05 pmShannon

11h 11m

1 stop

IAD7:16 pmWashington, D.C. Dulles Intl

$884

Find similar

Delta

Dec 27

IAD6:00 amWashington, D.C. Dulles Intl

20h 45m

1 stop

DUB7:45 amDublin

Dec 29

DUB8:55 amDublin

15h 35m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

$979

Find similar

Delta

Dec 23

IAD6:00 amWashington, D.C. Dulles Intl

20h 45m

1 stop

DUB7:45 amDublin

Dec 28

DUB8:45 amDublin

12h 50m

1 stop

IAD4:35 pmWashington, D.C. Dulles Intl

$1,052

Find similar

Air Canada flights from Washington, D.C. Dulles Intl Airport to Ireland

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

Air Canada

Jan 30

IAD9:45 amWashington, D.C. Dulles Intl

20h 45m

2 stops

SNN11:30 amShannon

Feb 3

SNN5:30 pmShannon

51h 43m

2 stops

IAD4:13 pmWashington, D.C. Dulles Intl

$860

Find similar

Air Canada

Dec 24

IAD12:43 pmWashington, D.C. Dulles Intl

37h 27m

2 stops

DUB7:10 amDublin

Dec 31

DUB9:00 amDublin

31h 55m

2 stops

IAD11:55 amWashington, D.C. Dulles Intl

$1,057

Find similar

Air Canada

Dec 23

IAD10:08 pmWashington, D.C. Dulles Intl

52h 02m

2 stops

DUB7:10 amDublin

Jan 6

DUB7:45 pmDublin

29h 41m

2 stops

IAD8:26 pmWashington, D.C. Dulles Intl

$1,136

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sat 2/21

8:30 pm-11:45 am

1 stop34h 15m

Dublin

Sat 2/28

10:10 am-6:50 pm

1 stop13h 40m

$492

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sat 2/21

8:30 pm-10:45 am

2 stops33h 15m

Dublin

Sat 2/28

10:10 am-6:50 pm

1 stop13h 40m

$493

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 2/25

8:30 pm-10:45 am

2 stops33h 15m

Dublin

Wed 4/29

11:40 am-4:50 pm

2 stops34h 10m

$494

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 1/13

6:20 pm-11:30 am

1 stop12h 10m

Shannon

Tue 1/20

7:50 am-3:35 pm

1 stop12h 45m

$607

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 1/13

1:08 pm-11:30 am

2 stops17h 22m

Shannon

Tue 1/20

7:50 am-7:55 pm

1 stop17h 05m

$614

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Sun 4/12

5:40 pm-4:35 pm

1 stop17h 55m

Cork

Sat 4/18

5:10 pm-3:35 pm

1 stop27h 25m

$647

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Fri 1/30

6:50 pm-3:00 pm

1 stop15h 10m

Cork

Fri 2/6

6:00 am-4:46 pm

2 stops15h 46m

$703

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Sun 4/12

6:10 pm-3:10 pm

2 stops16h 00m

Cork

Sat 4/18

8:30 pm-3:50 pm

2 stops24h 20m

$801

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Sun 4/12

10:25 pm-3:10 pm

1 stop11h 45m

Cork

Sat 4/18

8:30 pm-3:50 pm

2 stops24h 20m

$804

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Tue 1/13

5:05 pm-2:00 pm

1 stop15h 55m

Donegal

Tue 1/20

7:55 am-3:35 pm

1 stop12h 40m

$897

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

Delays

Other information

What is the cheapest month to fly to Ireland?

In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $596. If you aren’t able to travel to Ireland during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $607.

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

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as $741. This is often the case because there is less demand to fly during this day of the week. Flights from Washington, D.C. Dulles Intl Airport to Ireland on a Friday will generally be more expensive and average around $895. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Ireland is in the evening. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Ireland in the evening for as low as $786. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around $1,049.

What is the cheapest Washington, D.C. Dulles Intl to Ireland flight route?

Fly from Washington, D.C. Dulles Intl to Dublin for the best Washington, D.C. Dulles Intl - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $716 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Washington, D.C. Dulles Intl Airport for as low as $608 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Ireland flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Washington, D.C. Dulles Intl Airport to 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 Ireland

Best Price Found	$434
Fastest flight time	6h 50m
Direct flights	Every day
Airports in Ireland	77 airports

The best one-way flight to Ireland from Washington, D.C. Dulles Intl Airport in the past 72 hours is $434. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Ireland found on momondo in the last 72 hours is $687.

The fastest flight from Washington, D.C. Dulles Intl Airport to Ireland takes 6h 50m

Direct flights go from Washington, D.C. Dulles Intl Airport to Ireland every day.

There are 77 airports in Ireland. From Washington, D.C. Dulles Intl Airport there are direct flights to Dublin (DUB).

Search flight deals

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Ireland?
Prices for flights from Washington, D.C. Dulles Intl Airport to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Ireland?
As of December 2025, there are 12 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Ireland.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents you'll need for your trip to 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 Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Ireland?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Ireland, the leading plane model is Airbus A321neo, making up 28.06% of the total bookings. Other popular models include Boeing 757-200 with 25.07%, Boeing 777 with 13.18%, and Boeing 767-300 with 5.49%.

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

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $137	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
PLAY	PriceFrom $322	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Icelandair	PriceFrom $371	Free Cancellation	Rating 7.0 591 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $427	Free Cancellation	Rating 7.2 2,092 reviews	Search TAP AIR PORTUGAL flights
American Airlines	PriceFrom $435	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $456	Free Cancellation	Rating 7.4 1,609 reviews	Search Scandinavian Airlines flights
Aer Lingus	PriceFrom $470	Free Cancellation	Rating 7.2 1,399 reviews	Search Aer Lingus flights
British Airways	PriceFrom $484	Free Cancellation	Rating 6.7 7,586 reviews	Search British Airways flights
United Airlines	PriceFrom $525	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Iberia	PriceFrom $587	Free Cancellation	Rating 7.0 3,053 reviews	Search Iberia flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Ireland. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Ireland from Washington, D.C. with this policy.

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

momondo provides multiple filters to help you find the best flight to 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 Ireland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ireland, momondo offers a useful price alert feature which will track prices for flights to Ireland from Washington, D.C. and alert you when they change.

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Find better results for your trip to Ireland

Popular cities in Ireland

Flights to Dublinfrom $321

Flights to Shannon, Clarefrom $353

Flights to Corkfrom $392

Flights to Knockfrom $616

Flights to Milltown (Kerry)from $507

Flights to Donegalfrom $833

Washington, D.C. Dulles Intl Airport flight routes

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

Cheap flights from Washington, D.C. Dulles Intl Airport to Ireland from $248

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

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

See travel insights to Ireland from

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

What is the cheapest month to fly to Ireland?

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

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

What is the cheapest Washington, D.C. Dulles Intl to Ireland flight route?

Fly from Washington, D.C. Dulles Intl to Dublin for the best Washington, D.C. Dulles Intl - Ireland flight prices

How far in advance should I book a flight to Ireland?

What cabin class options are available on Washington, D.C. Dulles Intl to Ireland flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Icelandair, TAP AIR PORTUGAL, and Air Canada are the most popular carriers operating from Washington, D.C. Dulles Intl to Ireland

What airlines fly to Ireland?

How often are flights from Washington, D.C. to Ireland delayed?

Historically, on average around 20% of flights between Washington, D.C. and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 166 minutes.

What is the most punctual flight time for Washington, D.C. to Ireland flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to Ireland flights?

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

How many flights depart from Washington, D.C. Dulles Intl Airport to Ireland on average per day?

13 flights are operational daily from Washington, D.C. Dulles Intl Airport to Ireland as of December 2025. The most popular departure time for this route is 5:00PM, with 61% of flights per day taking off in the evening.

How many flights depart from Washington, D.C. Dulles Intl Airport to Ireland on average per week?

As of December 2025, 91 flights take off from Washington, D.C. Dulles Intl Airport and land in Ireland each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

Cheap Washington, D.C. Dulles Intl Airport to 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 Ireland

Best Price Found

Fastest flight time

Direct flights

Airports in Ireland

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

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

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

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

What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Ireland?

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

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

Why use momondo?

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

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

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

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

An easier way to manage your 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 Ireland

Popular cities in Ireland

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