How many flights depart from Chicago O'Hare Intl Airport to Ireland on average per week?

As of December 2025, there are 95 flights per week flying from Chicago O'Hare Intl Airport to Ireland. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.

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

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

How often are flights from Chicago to Ireland delayed?

Historically, on average around 22% of flights between Chicago and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 155 minutes.

What is the most punctual flight time for Chicago 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 is the cheapest airline that flies from Chicago O'Hare Intl to Ireland?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Chicago O'Hare Intl to Ireland

How many flights depart from Chicago O'Hare Intl Airport to Ireland on average per day?

As of December 2025, 13 flights take off from Chicago O'Hare Intl Airport and land in Ireland each day. The most common flight departure time for this route is 6:00PM, with 65% of daily flights taking off in the evening.

What airlines fly to Ireland?

Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to Ireland from Chicago O'Hare Intl Airport according to our data. Aer Lingus is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 16 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

Which airline has the best punctuality record on Chicago 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 19% of their flights experiencing any sort of delay.

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Ireland?

Prices for flights from Chicago O'Hare Intl Airport to Ireland are updated daily.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Ireland?

The number of operators available for flights from Chicago O'Hare Intl Airport to Ireland is 16 as of December 2025.

How old do you have to be to fly from Chicago O'Hare Intl Airport to 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 Chicago O'Hare 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.

$239 Cheap Flights from Chicago O'Hare Intl Airport to Ireland in 2025/26

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8:25 pm - 4:10 pm

ORD

DUB

13h 45m1 stop

4:15 am - 2:45 pm

DUB

ORD

16h 30m1 stop

$419TAP AIR PORTUGAL

Sun, Mar 1 - Sat, Mar 7

8:15 pm - 11:20 pm

ORD

DUB

21h 05m1 stop

4:55 pm - 3:00 pm

DUB

ORD

28h 05m1 stop

$420TAP AIR PORTUGAL

Fri, Jan 16 - Tue, Jan 20

7:10 pm - 6:20 pm

ORD

DUB

17h 10m1 stop

10:10 am - 4:55 pm

DUB

ORD

12h 45m1 stop

$421Scandinavian Airlines

Sun, Feb 1 - Sun, Feb 8

7:20 pm - 6:20 pm

ORD

DUB

17h 00m1 stop

10:10 am - 4:45 pm

DUB

ORD

12h 35m1 stop

$422Scandinavian Airlines

Mon, Mar 2 - Sat, Mar 7

7:10 pm - 10:45 am

ORD

DUB

33h 35m2 stops

10:10 am - 4:55 pm

DUB

ORD

12h 45m1 stop

$423Scandinavian Airlines

Sun, Feb 8 - Sun, Feb 15

5:40 pm - 4:10 pm

ORD

SNN

16h 30m1 stop

7:40 am - 1:50 pm

SNN

ORD

12h 10m1 stop

$470American Airlines

Tue, Apr 7 - Fri, Apr 17

6:45 pm - 3:25 pm

ORD

ORK

14h 40m1 stop

7:40 am - 5:00 pm

ORK

ORD

15h 20m1 stop

$471American Airlines

Tue, Jan 27 - Tue, Feb 3

12:59 pm - 10:15 am

ORD

SNN

15h 16m2 stops

12:30 pm - 8:17 pm

SNN

ORD

13h 47m1 stop

$493United Airlines

Mon, Apr 27 - Wed, May 6

9:45 pm - 12:25 pm

ORD

NOC

32h 40m1 stop

1:00 pm - 2:55 pm

NOC

ORD

55h 55m2 stops

$811British Airways

Sun, Jan 18 - Sun, Jan 25

11:40 am - 12:25 pm

ORD

NOC

42h 45m2 stops

1:00 pm - 2:55 pm

NOC

ORD

55h 55m2 stops

$821British Airways

Sun, Jan 18 - Sun, Jan 25

TAP AIR PORTUGAL flights from Chicago O'Hare Intl Airport to Ireland

Our best TAP AIR PORTUGAL deals on Chicago O'Hare Intl Airport to Ireland flight tickets

TAP AIR PORTUGAL

Mar 1

ORD8:25 pmChicago O'Hare Intl

13h 45m

1 stop

DUB4:10 pmDublin

Mar 7

DUB4:15 amDublin

16h 30m

1 stop

ORD2:45 pmChicago O'Hare Intl

$419

Find similar

TAP AIR PORTUGAL

Jan 16

ORD8:15 pmChicago O'Hare Intl

21h 05m

1 stop

DUB11:20 pmDublin

Jan 20

DUB4:55 pmDublin

28h 05m

1 stop

ORD3:00 pmChicago O'Hare Intl

$420

Find similar

TAP AIR PORTUGAL

Jan 14

ORD7:10 pmChicago O'Hare Intl

22h 10m

1 stop

DUB11:20 pmDublin

Jan 20

DUB4:55 pmDublin

28h 05m

1 stop

ORD3:00 pmChicago O'Hare Intl

$438

Find similar

Scandinavian Airlines flights from Chicago O'Hare Intl Airport to Ireland

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Ireland flight tickets

Scandinavian Airlines

Feb 1

ORD7:10 pmChicago O'Hare Intl

17h 10m

1 stop

DUB6:20 pmDublin

Feb 8

DUB10:10 amDublin

12h 45m

1 stop

ORD4:55 pmChicago O'Hare Intl

$421

Find similar

Scandinavian Airlines

Mar 2

ORD7:20 pmChicago O'Hare Intl

17h 00m

1 stop

DUB6:20 pmDublin

Mar 7

DUB10:10 amDublin

12h 35m

1 stop

ORD4:45 pmChicago O'Hare Intl

$422

Find similar

Scandinavian Airlines

Feb 8

ORD7:10 pmChicago O'Hare Intl

18h 25m

2 stops

DUB7:35 pmDublin

Feb 15

DUB5:15 pmDublin

29h 30m

2 stops

ORD4:45 pmChicago O'Hare Intl

$423

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momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ireland that are best for you.

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Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/1

8:25 pm-4:10 pm

1 stop13h 45m

Dublin

Sat 3/7

4:15 am-2:45 pm

1 stop16h 30m

$419

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 1/16

8:15 pm-11:20 pm

1 stop21h 05m

Dublin

Tue 1/20

4:55 pm-3:00 pm

1 stop28h 05m

$420

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 2/1

7:10 pm-6:20 pm

1 stop17h 10m

Dublin

Sun 2/8

10:10 am-4:55 pm

1 stop12h 45m

$421

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 3/2

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

Sat 3/7

10:10 am-4:45 pm

1 stop12h 35m

$422

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 2/8

7:10 pm-10:45 am

2 stops33h 35m

Dublin

Sun 2/15

10:10 am-4:55 pm

1 stop12h 45m

$423

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/7

5:40 pm-4:10 pm

1 stop16h 30m

Shannon

Fri 4/17

7:40 am-1:50 pm

1 stop12h 10m

$470

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Tue 1/27

6:45 pm-3:25 pm

1 stop14h 40m

Cork

Tue 2/3

7:40 am-5:00 pm

1 stop15h 20m

$471

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 4/27

12:59 pm-10:15 am

2 stops15h 16m

Shannon

Wed 5/6

12:30 pm-8:17 pm

1 stop13h 47m

$493

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 1/18

9:45 pm-12:25 pm

1 stop32h 40m

Knock Intl

Sun 1/25

1:00 pm-2:55 pm

2 stops55h 55m

$811

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Sun 1/18

11:40 am-12:25 pm

2 stops42h 45m

Knock Intl

Sun 1/25

1:00 pm-2:55 pm

2 stops55h 55m

$821

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How to get the cheapest flight ticket from Chicago O'Hare 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, January is the cheapest month to fly from Chicago O'Hare Intl Airport to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $518. If you aren’t able to travel to Ireland during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $551.

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 Tuesday when prices can be found for as low as $754. This is often the case because there is less demand to fly during this day of the week. Flights from Chicago O'Hare Intl Airport to Ireland on a Friday will generally be more expensive and average around $842. 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 morning. momondo users have found flights departing from Chicago O'Hare Intl Airport to Ireland in the morning for as low as $714. 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 afternoon when prices are around $805.

What is the cheapest Chicago O'Hare Intl to Ireland flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Chicago O'Hare 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 Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $696 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Chicago O'Hare Intl Airport for as low as $664 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Ireland flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to Ireland flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Ireland.

Cheap Chicago O'Hare Intl Airport to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Ireland

Best Price Found	$416
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Ireland	77 airports

The best one-way flight to Ireland from Chicago O'Hare Intl Airport in the past 72 hours is $416. The best round-trip flight deal from Chicago O'Hare Intl Airport to Ireland found on momondo in the last 72 hours is $598.

The fastest flight from Chicago O'Hare Intl Airport to Ireland takes 7h 20m

Direct flights go from Chicago O'Hare Intl Airport to Ireland every day.

There are 77 airports in Ireland. From Chicago O'Hare Intl Airport there are direct flights to Dublin (DUB), Shannon (SNN).

Search flight deals

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Ireland?
Prices for flights from Chicago O'Hare Intl Airport to Ireland are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Ireland?
The number of operators available for flights from Chicago O'Hare Intl Airport to Ireland is 16 as of December 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to 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 Chicago O'Hare 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 Chicago O'Hare Intl Airport to Ireland?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Ireland, the leading plane model is Airbus A330-300, making up 24.94% of the total bookings. Other popular models include Boeing 767-300 with 20.23%, Boeing 787 Dreamliner with 14.42%, and Boeing 787-8 Dreamliner with 13.87%.

Best airlines flying from Chicago O'Hare Intl Airport to Ireland

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Ireland with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,894 reviews	Search JetBlue flights
Icelandair	PriceFrom $346	Free Cancellation	Rating 7.0 590 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $393	Free Cancellation	Rating 7.2 2,090 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.4 1,606 reviews	Search Scandinavian Airlines flights
Aer Lingus	PriceFrom $472	Free Cancellation	Rating 7.2 1,392 reviews	Search Aer Lingus flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.5 1,812 reviews	Search SWISS flights
Lufthansa	PriceFrom $488	Free Cancellation	Rating 6.8 7,631 reviews	Search Lufthansa flights
British Airways	PriceFrom $498	Free Cancellation	Rating 6.7 7,580 reviews	Search British Airways flights
Finnair	PriceFrom $499	Free Cancellation	Rating 7.6 1,337 reviews	Search Finnair flights
United Airlines	PriceFrom $517	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Ireland?

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

Can I find flights from Chicago to Ireland with flexible booking policies on momondo?

Yes. All flights to Ireland from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Ireland?

momondo provides multiple filters to help you find the best flight to Ireland from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Ireland from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular cities in Ireland

Flights to Dublinfrom $312

Flights to Shannon, Clarefrom $348

Flights to Corkfrom $392

Flights to Knockfrom $607

Flights to Milltown (Kerry)from $460

Flights to Donegalfrom $833

Chicago O'Hare Intl Airport flight routes

Flights from Chicago O'Hare Intl to Baltimore/Washington

Flights from Chicago O'Hare Intl to Minneapolis St Paul

Flights from Chicago O'Hare Intl to Atlanta Hartsfield-Jackson

Flights from Chicago O'Hare Intl to New York John F Kennedy Intl

Flights from Chicago O'Hare Intl to Austin Bergstrom

Flights from Chicago O'Hare Intl to Tweed-New Haven

Cheap flights from Chicago O'Hare Intl Airport to Ireland from $239

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TAP AIR PORTUGAL flights from Chicago O'Hare Intl Airport to Ireland

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Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ireland that are best for you.

See travel insights to Ireland from

How to get the cheapest flight ticket from Chicago O'Hare 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 Chicago O'Hare Intl to Ireland flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Chicago O'Hare Intl - Ireland flight prices

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

What cabin class options are available on Chicago O'Hare Intl to Ireland flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to Ireland flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Ireland.

What is the cheapest airline that flies from Chicago O'Hare Intl to Ireland?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Chicago O'Hare Intl to Ireland

What airlines fly to Ireland?

How often are flights from Chicago to Ireland delayed?

Historically, on average around 22% of flights between Chicago and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 155 minutes.

What is the most punctual flight time for Chicago 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?

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

Which airline has the best punctuality record on Chicago 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 19% of their flights experiencing any sort of delay.

How many flights depart from Chicago O'Hare Intl Airport to Ireland on average per day?

As of December 2025, 13 flights take off from Chicago O'Hare Intl Airport and land in Ireland each day. The most common flight departure time for this route is 6:00PM, with 65% of daily flights taking off in the evening.

How many flights depart from Chicago O'Hare Intl Airport to Ireland on average per week?

As of December 2025, there are 95 flights per week flying from Chicago O'Hare Intl Airport to Ireland. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.

Cheap Chicago O'Hare Intl Airport to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Ireland

Best Price Found

Fastest flight time

Direct flights

Airports in Ireland

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Ireland?

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Ireland?

How old do you have to be to fly from Chicago O'Hare Intl Airport to Ireland?

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

What is the most popular plane model from Chicago O'Hare Intl Airport to Ireland?

Best airlines flying from Chicago O'Hare Intl Airport to Ireland

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Ireland with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Ireland?

Can I find flights from Chicago to Ireland with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Ireland?

I’m not ready to book a flight from Chicago 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