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.

How many flights depart from Chicago to Ireland on average per week?

As of December 2025, 86 flights take off from Chicago and land in Ireland each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

What is the cheapest airline that flies from Chicago to Ireland?

United Airlines, Air France, and British Airways are the most popular carriers operating from Chicago to Ireland

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.

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 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.

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.

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 to Ireland on average per day?

As of December 2025, there are 12 flights per day flying from Chicago to Ireland. The most common time of day flights depart is 6:00PM, with 65% of flights taking off in the evening.

When did momondo last update prices for flights from Chicago to Ireland?

Prices for flights from Chicago to Ireland refresh daily.

How many operators does momondo search for flights from Chicago to Ireland?

The number of operators available for flights from Chicago to Ireland is 16 as of December 2025.

How old do you have to be to fly from Chicago to Ireland?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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.

$242 Cheap Flights from Chicago to Ireland in 2025/26

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Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 pm - 6:20 pm

ORD

DUB

17h 00m1 stop

10:10 am - 5:45 pm

DUB

ORD

12h 35m1 stop

$420Scandinavian Airlines

Sun, Mar 8 - Sat, Mar 14

10:29 am - 6:20 pm

ORD

DUB

25h 51m2 stops

11:30 am - 4:45 pm

DUB

ORD

35h 15m2 stops

$421Scandinavian Airlines

Mon, Jan 26 - Fri, Jan 30

6:30 pm - 10:15 am

ORD

DUB

9h 45m1 stop

11:30 am - 6:20 pm

DUB

ORD

11h 50m1 stop

$427Icelandair

Thu, Mar 5 - Mon, Mar 9

6:30 pm - 10:15 am

ORD

DUB

9h 45m1 stop

11:30 am - 5:20 pm

DUB

ORD

11h 50m1 stop

$428Icelandair

Sun, Jan 18 - Sun, Feb 1

8:30 pm - 8:35 pm

ORD

SNN

18h 05m1 stop

7:40 am - 2:40 pm

SNN

ORD

13h 00m1 stop

$469American Airlines

Tue, Apr 21 - Tue, May 5

5:40 pm - 10:45 am

ORD

ORK

11h 05m1 stop

7:20 am - 2:40 pm

ORK

ORD

13h 20m1 stop

$471American Airlines

Mon, Apr 27 - Wed, May 6

3:35 pm - 10:15 am

ORD

SNN

12h 40m1 stop

12:30 pm - 8:17 pm

SNN

ORD

13h 47m1 stop

$488United Airlines

Mon, Apr 6 - Tue, Apr 14

11:15 am - 10:15 am

ORD

SNN

17h 00m2 stops

12:30 pm - 9:27 pm

SNN

ORD

14h 57m2 stops

$493United Airlines

Tue, Apr 21 - Tue, May 5

5:10 pm - 12:25 pm

ORD

NOC

13h 15m1 stop

1:00 pm - 2:55 pm

NOC

ORD

31h 55m2 stops

$880British Airways

Fri, Feb 27 - Tue, Mar 3

4:30 pm - 12:25 pm

ORD

NOC

13h 55m2 stops

1:00 pm - 2:55 pm

NOC

ORD

31h 55m2 stops

$884British Airways

Fri, Feb 27 - Tue, Mar 3

Lufthansa flights from Chicago to Ireland

Our best Lufthansa deals on Chicago to Ireland flight tickets

Lufthansa

Apr 14

ORD9:40 pmChicago O'Hare Intl

13h 15m

1 stop

DUB4:55 pmDublin

Apr 23

DUB6:05 amDublin

12h 50m

1 stop

ORD12:55 pmChicago O'Hare Intl

$455

Find similar

Lufthansa

Apr 24

ORD4:05 pmChicago O'Hare Intl

13h 10m

1 stop

SNN11:15 amShannon

May 2

SNN12:00 pmShannon

13h 55m

1 stop

ORD7:55 pmChicago O'Hare Intl

$577

Find similar

Lufthansa

Dec 16

ORD6:35 pmChicago O'Hare Intl

7h 35m

DUB8:10 amDublin

Jan 7

DUB10:40 amDublin

8h 50m

ORD1:30 pmChicago O'Hare Intl

$1,098

Find similar

Air Canada flights from Chicago to Ireland

Our best Air Canada deals on Chicago to Ireland flight tickets

Air Canada

Jan 13

ORD1:05 pmChicago O'Hare Intl

40h 25m

2 stops

SNN11:30 amShannon

Jan 19

SNN5:30 pmShannon

51h 11m

2 stops

ORD2:41 pmChicago O'Hare Intl

$670

Find similar

Air Canada

Dec 16

ORD7:05 amChicago O'Hare Intl

18h 05m

2 stops

DUB7:10 amDublin

Jan 7

DUB9:00 amDublin

15h 55m

2 stops

ORD6:55 pmChicago O'Hare Intl

$1,335

Find similar

Air Canada

Dec 19

ORD2:00 pmChicago O'Hare Intl

11h 10m

1 stop

DUB7:10 amDublin

Dec 26

DUB9:00 amDublin

12h 10m

1 stop

ORD3:10 pmChicago O'Hare Intl

$1,381

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/8

8:20 pm-6:20 pm

1 stop17h 00m

Dublin

Sat 3/14

10:10 am-5:45 pm

1 stop12h 35m

$420

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 1/26

10:29 am-6:20 pm

2 stops25h 51m

Dublin

Fri 1/30

11:30 am-4:45 pm

2 stops35h 15m

$421

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 3/5

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Mon 3/9

11:30 am-6:20 pm

1 stop11h 50m

$427

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 1/18

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Sun 2/1

11:30 am-5:20 pm

1 stop11h 50m

$428

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/21

8:30 pm-8:35 pm

1 stop18h 05m

Shannon

Tue 5/5

7:40 am-2:40 pm

1 stop13h 00m

$469

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 4/27

5:40 pm-10:45 am

1 stop11h 05m

Cork

Wed 5/6

7:20 am-2:40 pm

1 stop13h 20m

$471

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 4/6

3:35 pm-10:15 am

1 stop12h 40m

Shannon

Tue 4/14

12:30 pm-8:17 pm

1 stop13h 47m

$488

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/21

11:15 am-10:15 am

2 stops17h 00m

Shannon

Tue 5/5

12:30 pm-9:27 pm

2 stops14h 57m

$493

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 2/27

5:10 pm-12:25 pm

1 stop13h 15m

Knock Intl

Tue 3/3

1:00 pm-2:55 pm

2 stops31h 55m

$880

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Fri 2/27

4:30 pm-12:25 pm

2 stops13h 55m

Knock Intl

Tue 3/3

1:00 pm-2:55 pm

2 stops31h 55m

$884

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago 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 Chicago to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $560. 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 $564.

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 $755. This is often the case because there is less demand to fly during this day of the week. Flights from Chicago to Ireland on a Friday will generally be more expensive and average around $841. 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 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 $809.

What is the cheapest Chicago to Ireland flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Chicago - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $698 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Chicago for as low as $666 on momondo.

What cabin class options are available on Chicago to Ireland flights?

There are 3 cabin classes available to choose from on Chicago 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 to Ireland flights?

No. A direct flight is the cheapest option for a flight between Chicago to Ireland.

Cheap Chicago to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Ireland

Best Price Found	$393
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Ireland	77 airports

The best one-way flight to Ireland from Chicago in the past 72 hours is $393. The best round-trip flight deal from Chicago to Ireland found on momondo in the last 72 hours is $597.

The fastest flight from Chicago to Ireland takes 7h 20m

Direct flights go from Chicago to Ireland every day.

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

Search flight deals

When did momondo last update prices for flights from Chicago to Ireland?
Prices for flights from Chicago to Ireland refresh daily.
How many operators does momondo search for flights from Chicago to Ireland?
The number of operators available for flights from Chicago to Ireland is 16 as of December 2025.
How old do you have to be to fly from Chicago to Ireland?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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 to Ireland?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago to Ireland is Airbus A330-300 (25.29% of total bookings). The next most popular plane models are Boeing 767-300 (19.77%), Boeing 787-8 Dreamliner (14.00%), and Boeing 787 Dreamliner (13.98%).

Best airlines flying from Chicago to Ireland

Compare and see reviews for airlines that fly from Chicago to Ireland with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,899 reviews	Search JetBlue flights
Icelandair	PriceFrom $346	Free Cancellation	Rating 7.0 589 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $393	Free Cancellation	Rating 7.1 2,089 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.4 1,605 reviews	Search Scandinavian Airlines flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.5 1,810 reviews	Search SWISS flights
Aer Lingus	PriceFrom $478	Free Cancellation	Rating 7.2 1,394 reviews	Search Aer Lingus flights
Lufthansa	PriceFrom $488	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights
British Airways	PriceFrom $512	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
United Airlines	PriceFrom $518	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $522	Free Cancellation	Rating 7.2 375 reviews	Search Brussels Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Ireland for you.

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 helps you find the best flight between Chicago and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Ireland from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when 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.

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Find better results for your trip to Ireland

Popular cities in Ireland

Flights to Dublinfrom $311

Flights to Shannon, Clarefrom $347

Flights to Corkfrom $391

Flights to Knockfrom $562

Flights to Milltown (Kerry)from $512

Flights to Donegalfrom $833

Cheap flights from Chicago to Ireland from $242

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Ireland departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Lufthansa flights from Chicago to Ireland

Our best Lufthansa deals on Chicago to Ireland flight tickets

Air Canada flights from Chicago to Ireland

Our best Air Canada deals on Chicago to Ireland flight tickets

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Use the filters below to find and compare flights from Chicago to Ireland that are best for you.

See travel insights to Ireland from

How to get the cheapest flight ticket from Chicago 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 to Ireland flight route?

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

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

What cabin class options are available on Chicago to Ireland flights?

There are 3 cabin classes available to choose from on Chicago 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 to Ireland flights?

No. A direct flight is the cheapest option for a flight between Chicago to Ireland.

What is the cheapest airline that flies from Chicago to Ireland?

United Airlines, Air France, and British Airways are the most popular carriers operating from Chicago 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 to Ireland on average per day?

As of December 2025, there are 12 flights per day flying from Chicago to Ireland. The most common time of day flights depart is 6:00PM, with 65% of flights taking off in the evening.

How many flights depart from Chicago to Ireland on average per week?

As of December 2025, 86 flights take off from Chicago and land in Ireland each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

Cheap Chicago to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Ireland

Best Price Found

Fastest flight time

Direct flights

Airports in Ireland

When did momondo last update prices for flights from Chicago to Ireland?

How many operators does momondo search for flights from Chicago to Ireland?

How old do you have to be to fly from Chicago to Ireland?

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

What is the most popular plane model from Chicago to Ireland?

Best airlines flying from Chicago to Ireland

Compare and see reviews for airlines that fly from Chicago 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