Which airline has the best punctuality record on Chicago to Ireland flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

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 157 minutes.

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

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

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

86 flights are operational weekly from Chicago to Ireland as of December 2025. The most popular departure day for this route is Wed, with 16% of flights per week taking off on this day.

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 departing in the evening have, in the past, seen delays more frequently in comparison.

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

The number of flights available between Chicago and Ireland is 12 per day as of December 2025. The most frequent departure time is 18:00, with 65% of daily flights leaving in the evening.

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

United Airlines is the most popular carrier operating from Chicago to Ireland

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

Prices for flights from Chicago to Ireland are refreshed on a daily basis.

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

The number of operators available for flights from Chicago to Ireland is 2 as of December 2025.

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

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

The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

€177 Cheap Flights from Chicago to Ireland in 2025/26

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18:25 - 15:25

ORD

ORK

15h 00m1 stop

07:40 - 15:25

ORK

ORD

13h 45m1 stop

€360American Airlines

Sun, 11 Jan - Tue, 27 Jan

16:33 - 15:25

ORD

ORK

16h 52m2 stops

07:40 - 15:25

ORK

ORD

13h 45m1 stop

€364American Airlines

Sun, 11 Jan - Tue, 27 Jan

15:53 - 10:45

ORD

ORK

12h 52m2 stops

07:20 - 17:50

ORK

ORD

16h 30m2 stops

€371American Airlines

Mon, 27 Apr - Wed, 6 May

20:20 - 18:20

ORD

DUB

17h 00m1 stop

19:05 - 17:45

DUB

ORD

27h 40m1 stop

€378Scandinavian Airlines

Thu, 12 Mar - Sun, 22 Mar

18:10 - 09:15

ORD

DUB

33h 05m1 stop

11:00 - 19:01

DUB

ORD

14h 01m1 stop

€380Delta

Sat, 25 Apr - Thu, 7 May

19:20 - 09:10

ORD

DUB

31h 50m2 stops

20:20 - 17:45

DUB

ORD

50h 25m2 stops

€381Scandinavian Airlines

Thu, 5 Mar - Mon, 9 Mar

18:35 - 08:10

ORD

DUB

7h 35mdirect

10:40 - 13:30

DUB

ORD

8h 50mdirect

€382United Airlines

Sun, 11 Jan - Tue, 20 Jan

19:50 - 17:45

ORD

DUB

16h 55m1 stop

18:35 - 17:20

DUB

ORD

27h 45m1 stop

€383SWISS

Tue, 10 Mar - Mon, 16 Mar

12:15 - 10:45

ORD

DUB

16h 30m2 stops

13:25 - 14:15

DUB

ORD

30h 50m1 stop

€387Delta

Wed, 22 Apr - Mon, 11 May

11:15 - 10:15

ORD

SNN

17h 00m2 stops

12:30 - 21:05

SNN

ORD

14h 35m2 stops

€423United Airlines

Mon, 27 Apr - Wed, 6 May

Delta flights from Chicago to Ireland

Our best Delta deals on Chicago to Ireland flight tickets

Delta

25 Apr

ORD18:10Chicago O'Hare Intl

33h 05m

1 stop

DUB09:15Dublin

7 May

DUB11:00Dublin

14h 01m

1 stop

ORD19:01Chicago O'Hare Intl

€380

Find similar

Delta

22 Apr

ORD12:15Chicago O'Hare Intl

16h 30m

2 stops

DUB10:45Dublin

11 May

DUB13:25Dublin

30h 50m

1 stop

ORD14:15Chicago O'Hare Intl

€387

Find similar

Delta

13 Jan

ORD10:29Chicago O'Hare Intl

15h 31m

2 stops

DUB08:00Dublin

21 Jan

DUB10:45Dublin

13h 00m

1 stop

ORD17:45Chicago O'Hare Intl

€388

Find similar

SWISS flights from Chicago to Ireland

Our best SWISS deals on Chicago to Ireland flight tickets

SWISS

10 Mar

ORD19:50Chicago O'Hare Intl

16h 55m

1 stop

DUB17:45Dublin

16 Mar

DUB18:35Dublin

27h 45m

1 stop

ORD17:20Chicago O'Hare Intl

€383

Find similar

SWISS

27 Jan

ORD21:05Chicago O'Hare Intl

38h 40m

2 stops

DUB17:45Dublin

2 Feb

DUB13:20Dublin

29h 25m

1 stop

ORD12:45Chicago O'Hare Intl

€414

Find similar

SWISS

2 Mar

ORD18:35Chicago O'Hare Intl

7h 35m

DUB08:10Dublin

9 Mar

DUB13:20Dublin

33h 00m

1 stop

ORD17:20Chicago O'Hare Intl

€417

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Sun 11/1

18:25-15:25

1 stop15h 00m

Cork

Tue 27/1

07:40-15:25

1 stop13h 45m

€360

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Sun 11/1

16:33-15:25

2 stops16h 52m

Cork

Tue 27/1

07:40-15:25

1 stop13h 45m

€364

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 27/4

15:53-10:45

2 stops12h 52m

Cork

Wed 6/5

07:20-17:50

2 stops16h 30m

€371

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 12/3

20:20-18:20

1 stop17h 00m

Dublin

Sun 22/3

19:05-17:45

1 stop27h 40m

€378

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 25/4

18:10-09:15

1 stop33h 05m

Dublin

Thu 7/5

11:00-19:01

1 stop14h 01m

€380

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 5/3

19:20-09:10

2 stops31h 50m

Dublin

Mon 9/3

20:20-17:45

2 stops50h 25m

€381

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 11/1

18:35-08:10

Nonstop7h 35m

Dublin

Tue 20/1

10:40-13:30

Nonstop8h 50m

€382

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 10/3

19:50-17:45

1 stop16h 55m

Dublin

Mon 16/3

18:35-17:20

1 stop27h 45m

€383

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 22/4

12:15-10:45

2 stops16h 30m

Dublin

Mon 11/5

13:25-14:15

1 stop30h 50m

€387

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 27/4

11:15-10:15

2 stops17h 00m

Shannon

Wed 6/5

12:30-21:05

2 stops14h 35m

€423

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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?

The month of January is another great option to travel to Ireland, with average flight prices from Chicago averaging around €482.

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 Thursday when prices can be found for as low as €556. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €744. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

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

In the evening is the cheapest time of day to fly from Chicago to Ireland when you can find flight prices for as low as €626. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is at midday when prices are around €780.

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 €602 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Chicago for as low as €569 on momondo.

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

There is only 1 cabin class 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	€633
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Ireland	2 airports

The best flight deal from Chicago to Ireland found on momondo in the last 72 hours is €633

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

Direct flights go from Chicago to Ireland every day.

There are 2 airports near Ireland: 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 are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago to Ireland?
The number of operators available for flights from Chicago to Ireland is 2 as of December 2025.
How old do you have to be to fly from Chicago 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 Chicago to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago to Ireland?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Ireland is Airbus A330-300, representing 25.66% of all bookings. The subsequent popular models are Boeing 767-300 at 18.72%, Boeing 787-8 Dreamliner at 14.83%, and Boeing 787 Dreamliner at 14.05%.

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
Aer Lingus	PriceFrom €307	Free Cancellation	Rating 7.2 1,384 reviews		Search Aer Lingus flights
United Airlines	PriceFrom €491	Free Cancellation	Rating 7.4 9,065 reviews		Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Chicago to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

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

Yes. momondo allows you to filter the results for Chicago to Ireland flights to just show those with flexible booking policies.

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

Once you have performed a search for Chicago to Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise 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 €39

Flights to Corkfrom €84

Flights to Shannon, Clarefrom €83

Flights to Donegalfrom €75

Flights to Milltown (Kerry)from €39

Cheap flights from Chicago to Ireland from €177

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 26/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Chicago to Ireland

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Delta flights from Chicago to Ireland

Our best Delta deals on Chicago to Ireland flight tickets

SWISS flights from Chicago to Ireland

Our best SWISS 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

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 month to fly to Ireland?

The month of January is another great option to travel to Ireland, with average flight prices from Chicago averaging around €482.

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 is only 1 cabin class 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 is the most popular carrier operating from Chicago 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 157 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 departing 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 that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

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

The number of flights available between Chicago and Ireland is 12 per day as of December 2025. The most frequent departure time is 18:00, with 65% of daily flights leaving in the evening.

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

86 flights are operational weekly from Chicago to Ireland as of December 2025. The most popular departure day for this route is Wed, with 16% of flights per week 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, organise 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