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 23% 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 week?

65 flights are operational weekly from Chicago to Ireland as of January 2026. The most popular departure day for this route is Mon, with 15% of flights per week 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 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, Air France have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

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

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

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

The number of flights available between Chicago and Ireland is 9 per day as of January 2026. The most frequent departure time is 18:00, with 100% of daily flights leaving in the evening.

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 January 2026.

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.

€187 Cheap Flights from Chicago to Ireland in 2026

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One-way

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Cheap return flights

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18:00 - 10:45

ORD

ORK

10h 45m

1 stop

07:20 - 19:15

ORK

ORD

17h 55m

2 stops

€334British Airways

Mon, 27 Apr - Wed, 6 May

22:35 - 15:10

ORD

ORK

10h 35m

1 stop

07:20 - 19:15

ORK

ORD

17h 55m

2 stops

€335British Airways

Mon, 27 Apr - Wed, 6 May

18:22 - 15:25

ORD

ORK

15h 03m

2 stops

17:35 - 19:15

ORK

ORD

31h 40m

2 stops

€342British Airways

Mon, 16 Feb - Mon, 23 Feb

17:45 - 15:10

ORD

ORK

15h 25m

2 stops

20:30 - 14:00

ORK

ORD

23h 30m

2 stops

€342British Airways

Mon, 27 Apr - Wed, 6 May

21:00 - 10:35

ORD

DUB

7h 35mdirect

13:20 - 19:33

DUB

ORD

12h 13m

1 stop

€360American Airlines

Wed, 1 Apr - Tue, 7 Apr

15:45 - 05:10

ORD

DUB

7h 25mdirect

11:35 - 14:00

DUB

ORD

8h 25mdirect

€360Iberia

Tue, 21 Apr - Tue, 28 Apr

21:00 - 10:35

ORD

DUB

7h 35mdirect

11:35 - 14:00

DUB

ORD

8h 25mdirect

€361Aer Lingus

Wed, 8 Apr - Wed, 15 Apr

20:15 - 09:45

ORD

DUB

7h 30mdirect

11:35 - 13:40

DUB

ORD

8h 05mdirect

€362United Airlines

Tue, 7 Apr - Wed, 15 Apr

11:45 - 05:05

ORD

DUB

12h 20m

1 stop

13:20 - 19:33

DUB

ORD

12h 13m

1 stop

€363American Airlines

Wed, 25 Mar - Tue, 7 Apr

13:00 - 10:15

ORD

SNN

15h 15m

2 stops

12:30 - 19:22

SNN

ORD

12h 52m

2 stops

€421United Airlines

Mon, 27 Apr - Wed, 6 May

United Airlines flights from Chicago to Ireland

Our best United Airlines deals on Chicago to Ireland flight tickets

United Airlines

25 Jan

ORD13:00Chicago O'Hare Intl

12h 30m

1 stop

DUB07:30Dublin

3 Feb

DUB10:40Dublin

8h 50m

ORD13:30Chicago O'Hare Intl

€360

United Airlines

25 Jan

ORD18:35Chicago O'Hare Intl

7h 35m

DUB08:10Dublin

3 Feb

DUB10:40Dublin

8h 50m

ORD13:30Chicago O'Hare Intl

€361

United Airlines

7 Apr

ORD20:15Chicago O'Hare Intl

7h 30m

DUB09:45Dublin

15 Apr

DUB11:35Dublin

8h 05m

ORD13:40Chicago O'Hare Intl

€362

Scandinavian Airlines flights from Chicago to Ireland

Our best Scandinavian Airlines deals on Chicago to Ireland flight tickets

Scandinavian Airlines

19 Feb

ORD19:20Chicago O'Hare Intl

17h 00m

1 stop

DUB18:20Dublin

22 Feb

DUB19:05Dublin

27h 40m

1 stop

ORD16:45Chicago O'Hare Intl

€364

Scandinavian Airlines

18 Apr

ORD19:15Chicago O'Hare Intl

34h 35m

1 stop

DUB11:50Dublin

22 Apr

DUB11:40Dublin

58h 30m

2 stops

ORD16:10Chicago O'Hare Intl

€365

Scandinavian Airlines

18 Apr

ORD19:15Chicago O'Hare Intl

33h 40m

2 stops

DUB10:55Dublin

22 Apr

DUB11:40Dublin

58h 30m

2 stops

ORD16:10Chicago O'Hare Intl

€367

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 27/4

18:00-10:45

1 stop10h 45m

Cork

Wed 6/5

07:20-19:15

2 stops17h 55m

€334

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 27/4

22:35-15:10

1 stop10h 35m

Cork

Wed 6/5

07:20-19:15

2 stops17h 55m

€335

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 16/2

18:22-15:25

2 stops15h 03m

Cork

Mon 23/2

17:35-19:15

2 stops31h 40m

€342

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 27/4

17:45-15:10

2 stops15h 25m

Cork

Wed 6/5

20:30-14:00

2 stops23h 30m

€342

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 1/4

21:00-10:35

Nonstop7h 35m

Dublin

Tue 7/4

13:20-19:33

1 stop12h 13m

€360

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 21/4

15:45-05:10

Nonstop7h 25m

Dublin

Tue 28/4

11:35-14:00

Nonstop8h 25m

€360

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/4

21:00-10:35

Nonstop7h 35m

Dublin

Wed 15/4

11:35-14:00

Nonstop8h 25m

€361

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 7/4

20:15-09:45

Nonstop7h 30m

Dublin

Wed 15/4

11:35-13:40

Nonstop8h 05m

€362

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 25/3

11:45-05:05

1 stop12h 20m

Dublin

Tue 7/4

13:20-19:33

1 stop12h 13m

€363

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 27/4

13:00-10:15

2 stops15h 15m

Shannon

Wed 6/5

12:30-19:22

2 stops12h 52m

€421

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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 €545. 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 €741. 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 €624. 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 in the afternoon when prices are around €645.

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 €584 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 €551 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	€362
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 €362

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 January 2026.
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 26.34% of all bookings. The subsequent popular models are Boeing 767-300 at 17.97%, Boeing 787 Dreamliner at 17.30%, and Boeing 787-8 Dreamliner at 15.13%.

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 €302	Free Cancellation	Rating 7.2 1,440 reviews		Search Aer Lingus flights
United Airlines	PriceFrom €447	Free Cancellation	Rating 7.4 9,190 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 €38

Flights to Corkfrom €86

Flights to Shannon, Clarefrom €91

Flights to Donegalfrom €209

Flights to Milltown (Kerry)from €38

Cheap flights from Chicago to Ireland from €187

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 11/2. 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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Filter for what you want

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Find the cheapest flights from Chicago to Ireland

Cheap return flights

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United Airlines flights from Chicago to Ireland

Our best United Airlines deals on Chicago to Ireland flight tickets

Scandinavian Airlines flights from Chicago to Ireland

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 €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?

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

How often are flights from Chicago to Ireland delayed?

Historically, on average around 23% 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, Air France 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 9 per day as of January 2026. The most frequent departure time is 18:00, with 100% of daily flights leaving in the evening.

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

65 flights are operational weekly from Chicago to Ireland as of January 2026. 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