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

92 flights are operational weekly from Chicago to Ireland as of December 2025. The most popular departure day for this route is Mon, with 15% 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 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.

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

The number of flights available between Chicago and Ireland is 13 per day as of December 2025. The most frequent departure time is 18:00, with 65% of daily flights leaving in the evening.

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 19% of their flights experiencing any sort of delay.

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

United Airlines is the most popular carrier 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 that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

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.

€193 Cheap Flights from Chicago to Ireland in 2025/26

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20:25 - 16:10

ORD

DUB

13h 45m1 stop

04:25 - 15:25

DUB

ORD

17h 00m1 stop

€357TAP AIR PORTUGAL

Sun, 15 Feb - Thu, 26 Feb

19:20 - 16:25

ORD

DUB

15h 05m2 stops

12:30 - 16:45

DUB

ORD

34h 15m1 stop

€358Scandinavian Airlines

Sat, 14 Feb - Fri, 20 Feb

18:25 - 11:30

ORD

SNN

11h 05m1 stop

07:50 - 15:25

SNN

ORD

13h 35m1 stop

€400American Airlines

Mon, 12 Jan - Sun, 18 Jan

20:30 - 20:35

ORD

SNN

18h 05m1 stop

07:40 - 14:40

SNN

ORD

13h 00m1 stop

€401American Airlines

Tue, 7 Apr - Sat, 18 Apr

11:21 - 08:45

MDW

DUB

15h 24m2 stops

08:50 - 17:55

DUB

MDW

15h 05m2 stops

€403KLM

Sun, 18 Jan - Tue, 27 Jan

13:26 - 08:45

MDW

DUB

13h 19m2 stops

05:55 - 17:55

DUB

MDW

18h 00m2 stops

€404Delta

Sun, 25 Jan - Tue, 3 Feb

14:00 - 07:55

MDW

DUB

11h 55m1 stop

10:00 - 18:05

DUB

MDW

14h 05m1 stop

€410Multiple Airlines

Wed, 29 Apr - Thu, 7 May

10:53 - 07:45

MDW

DUB

14h 52m1 stop

08:50 - 22:29

DUB

MDW

18h 39m2 stops

€412Delta

Mon, 2 Mar - Tue, 24 Mar

11:21 - 08:45

MDW

DUB

15h 24m2 stops

08:50 - 17:55

DUB

MDW

15h 05m2 stops

€416KLM

Sun, 18 Jan - Tue, 27 Jan

16:30 - 12:55

MDW

ORK

14h 25m2 stops

06:00 - 16:16

ORK

MDW

16h 16m2 stops

€597Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

TAP AIR PORTUGAL flights from Chicago to Ireland

Our best TAP AIR PORTUGAL deals on Chicago to Ireland flight tickets

TAP AIR PORTUGAL

15 Feb

ORD20:25Chicago O'Hare Intl

13h 45m

1 stop

DUB16:10Dublin

26 Feb

DUB04:25Dublin

17h 00m

1 stop

ORD15:25Chicago O'Hare Intl

€357

Find similar

TAP AIR PORTUGAL

18 Jan

ORD20:25Chicago O'Hare Intl

13h 45m

1 stop

DUB16:10Dublin

24 Jan

DUB16:55Dublin

27h 50m

1 stop

ORD14:45Chicago O'Hare Intl

€365

Find similar

TAP AIR PORTUGAL

9 Jan

ORD20:15Chicago O'Hare Intl

21h 05m

1 stop

DUB23:20Dublin

13 Jan

DUB16:55Dublin

28h 05m

1 stop

ORD15:00Chicago O'Hare Intl

€377

Find similar

Scandinavian Airlines flights from Chicago to Ireland

Our best Scandinavian Airlines deals on Chicago to Ireland flight tickets

Scandinavian Airlines

14 Feb

ORD19:20Chicago O'Hare Intl

15h 05m

2 stops

DUB16:25Dublin

20 Feb

DUB12:30Dublin

34h 15m

1 stop

ORD16:45Chicago O'Hare Intl

€358

Find similar

Scandinavian Airlines

1 Mar

ORD19:20Chicago O'Hare Intl

17h 00m

1 stop

DUB18:20Dublin

7 Mar

DUB10:10Dublin

12h 35m

1 stop

ORD16:45Chicago O'Hare Intl

€359

Find similar

Scandinavian Airlines

2 Feb

ORD19:20Chicago O'Hare Intl

17h 00m

1 stop

DUB18:20Dublin

15 Feb

DUB17:15Dublin

29h 30m

2 stops

ORD16:45Chicago O'Hare Intl

€360

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 15/2

20:25-16:10

1 stop13h 45m

Dublin

Thu 26/2

04:25-15:25

1 stop17h 00m

€357

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 14/2

19:20-16:25

2 stops15h 05m

Dublin

Fri 20/2

12:30-16:45

1 stop34h 15m

€358

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 12/1

18:25-11:30

1 stop11h 05m

Shannon

Sun 18/1

07:50-15:25

1 stop13h 35m

€400

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 7/4

20:30-20:35

1 stop18h 05m

Shannon

Sat 18/4

07:40-14:40

1 stop13h 00m

€401

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Sun 18/1

11:21-08:45

2 stops15h 24m

Dublin

Tue 27/1

08:50-17:55

2 stops15h 05m

€403

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Sun 25/1

13:26-08:45

2 stops13h 19m

Dublin

Tue 3/2

05:55-17:55

2 stops18h 00m

€404

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Wed 29/4

14:00-07:55

1 stop11h 55m

Dublin

Thu 7/5

10:00-18:05

1 stop14h 05m

€410

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Mon 2/3

10:53-07:45

1 stop14h 52m

Dublin

Tue 24/3

08:50-22:29

2 stops18h 39m

€412

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Sun 18/1

11:21-08:45

2 stops15h 24m

Dublin

Tue 27/1

08:50-17:55

2 stops15h 05m

€416

ChicagoCork

MDW - ORK

MDWORK

Chicago Midway

Sat 31/1

16:30-12:55

2 stops14h 25m

Cork

Sat 7/2

06:00-16:16

2 stops16h 16m

€597

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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 €480.

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 €544. 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 €739. 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 €622. 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 €776.

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 €593 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 €566 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	€488
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Ireland	77 airports

The best flight deal from Chicago to Ireland found on momondo in the last 72 hours is €488

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 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 24.94% of all bookings. The subsequent popular models are Boeing 767-300 at 20.23%, Boeing 787 Dreamliner at 14.42%, and Boeing 787-8 Dreamliner at 13.87%.

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 €305	Free Cancellation	Rating 7.2 1,401 reviews		Search Aer Lingus flights
United Airlines	PriceFrom €488	Free Cancellation	Rating 7.4 9,095 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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Popular Cities in Ireland

Flights to Dublinfrom €39

Flights to Corkfrom €87

Flights to Shannon, Clarefrom €89

Flights to Donegalfrom €76

Flights to Milltown (Kerry)from €38

Cheap flights from Chicago to Ireland from €193

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 2/3. 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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Big names, great deals

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TAP AIR PORTUGAL flights from Chicago to Ireland

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Our best Scandinavian Airlines 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?

The month of January is another great option to travel to Ireland, with average flight prices from Chicago averaging around €480.

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 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 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 19% 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 13 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?

92 flights are operational weekly from Chicago to Ireland as of December 2025. The most popular departure day for this route is Mon, with 15% 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