How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

Historically, on average around 22% of flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced a delay on any given week. The average delay length over the past 12 months has been 157 minutes.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

According to our data, Air Antilles have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

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

KLM, American Airlines, and Delta are the most popular carriers operating from Chicago to Ireland

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

76 flights are operational weekly from Chicago to Ireland as of November 2025. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.

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

The number of flights available between Chicago and Ireland is 10 per day as of November 2025. The most frequent departure time is 18:00, with 63% of daily flights leaving in the evening.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] 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.

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 November 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.

€194 Cheap Flights from Chicago to Ireland in 2025/26

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Find the cheapest flights from Chicago to Ireland

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07:01 - 18:20ORD-DUB

29h 19m2 stops

10:45 - 16:45DUB-ORD

36h 00m2 stops

€387Scandinavian Airlines

Find Deal

Sun, 15 Feb - Fri, 20 Feb

21:45 - 19:40ORD-DUB

15h 55m1 stop

13:10 - 18:45DUB-ORD

11h 35m1 stop

€388British Airways

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Tue, 30 Dec - Wed, 14 Jan

20:30 - 07:10ORD-DUB

28h 40m1 stop

09:00 - 20:10DUB-ORD

17h 10m2 stops

€389Air Canada

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Mon, 5 Jan - Wed, 14 Jan

18:30 - 10:15ORD-DUB

9h 45m1 stop

11:30 - 17:20DUB-ORD

11h 50m1 stop

€390Icelandair

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Mon, 5 Jan - Tue, 13 Jan

20:15 - 09:45ORD-DUB

7h 30mdirect

11:35 - 13:40DUB-ORD

8h 05mdirect

€392Brussels Airlines

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Wed, 22 Apr - Wed, 29 Apr

18:30 - 10:15ORD-DUB

9h 45m1 stop

11:30 - 17:20DUB-ORD

11h 50m1 stop

€393Icelandair

Find Deal

Wed, 7 Jan - Sat, 24 Jan

16:55 - 09:45ORD-DUB

10h 50m1 stop

20:20 - 13:50DUB-ORD

23h 30m1 stop

€393British Airways

Find Deal

Wed, 29 Apr - Tue, 5 May

21:15 - 07:20ORD-DUB

28h 05m1 stop

09:20 - 05:38DUB-ORD

26h 18m1 stop

€394United Airlines

Find Deal

Mon, 27 Apr - Fri, 8 May

19:20 - 19:35ORD-DUB

18h 15m2 stops

10:55 - 17:45DUB-ORD

35h 50m2 stops

€395Scandinavian Airlines

Find Deal

Sun, 1 Mar - Sun, 8 Mar

21:15 - 10:20ORD-DUB

31h 05m1 stop

09:00 - 09:13DUB-ORD

30h 13m1 stop

€396United Airlines

Find Deal

Mon, 29 Dec - Wed, 14 Jan

Scandinavian Airlines flights from Chicago to Ireland

Our best Scandinavian Airlines deals on Chicago to Ireland flight tickets

Scandinavian Airlines

15 Feb

ORD07:01Chicago O'Hare Intl

29h 19m

2 stops

DUB18:20Dublin

20 Feb

DUB10:45Dublin

36h 00m

2 stops

ORD16:45Chicago O'Hare Intl

€387

Find similar

Scandinavian Airlines

1 Mar

ORD19:20Chicago O'Hare Intl

18h 15m

2 stops

DUB19:35Dublin

8 Mar

DUB10:55Dublin

35h 50m

2 stops

ORD17:45Chicago O'Hare Intl

€395

Find similar

Scandinavian Airlines

14 Jan

ORD19:20Chicago O'Hare Intl

32h 40m

2 stops

DUB10:00Dublin

28 Jan

DUB11:30Dublin

35h 15m

2 stops

ORD16:45Chicago O'Hare Intl

€401

Find similar

TAP AIR PORTUGAL flights from Chicago to Ireland

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

TAP AIR PORTUGAL

5 Dec

ORD20:15Chicago O'Hare Intl

13h 55m

1 stop

DUB16:10Dublin

9 Dec

DUB16:55Dublin

28h 05m

1 stop

ORD15:00Chicago O'Hare Intl

€389

Find similar

TAP AIR PORTUGAL

7 Dec

ORD20:25Chicago O'Hare Intl

13h 45m

1 stop

DUB16:10Dublin

16 Dec

DUB16:55Dublin

28h 05m

1 stop

ORD15:00Chicago O'Hare Intl

€398

Find similar

TAP AIR PORTUGAL

8 Feb

ORD20:25Chicago O'Hare Intl

13h 45m

1 stop

DUB16:10Dublin

14 Feb

DUB04:15Dublin

16h 30m

1 stop

ORD14:45Chicago O'Hare Intl

€400

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 15/2

07:01-18:20

2 stops29h 19m

Dublin

Fri 20/2

10:45-16:45

2 stops36h 00m

€387

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 30/12

21:45-19:40

1 stop15h 55m

Dublin

Wed 14/1

13:10-18:45

1 stop11h 35m

€388

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 5/1

20:30-07:10

1 stop28h 40m

Dublin

Wed 14/1

09:00-20:10

2 stops17h 10m

€389

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 5/1

18:30-10:15

1 stop9h 45m

Dublin

Tue 13/1

11:30-17:20

1 stop11h 50m

€390

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 22/4

20:15-09:45

Nonstop7h 30m

Dublin

Wed 29/4

11:35-13:40

Nonstop8h 05m

€392

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 7/1

18:30-10:15

1 stop9h 45m

Dublin

Sat 24/1

11:30-17:20

1 stop11h 50m

€393

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 29/4

16:55-09:45

1 stop10h 50m

Dublin

Tue 5/5

20:20-13:50

1 stop23h 30m

€393

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 27/4

21:15-07:20

1 stop28h 05m

Dublin

Fri 8/5

09:20-05:38

1 stop26h 18m

€394

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 1/3

19:20-19:35

2 stops18h 15m

Dublin

Sun 8/3

10:55-17:45

2 stops35h 50m

€395

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 29/12

21:15-10:20

1 stop31h 05m

Dublin

Wed 14/1

09:00-09:13

1 stop30h 13m

€396

Flights are sorted by cheapest return flights first.

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?

The month of January is another great option to travel to Ireland, with average flight prices from Chicago averaging around €488.

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 €554. 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 €753. 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 €634. 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 €790.

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 €611 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 €572 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	€497
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 €497

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 November 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 Boeing 787-8 Dreamliner, representing 21.61% of all bookings. The subsequent popular models are Boeing 767-300 at 17.71%, Boeing 787 Dreamliner at 17.27%, and Airbus A330-300 at 13.82%.

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 €311	Free Cancellation	Rating 7.2 1,379 reviews		Search Aer Lingus flights
United Airlines	PriceFrom €497	Free Cancellation	Rating 7.4 9,036 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 €90

Flights to Shannon, Clarefrom €88

Flights to Donegalfrom €103

Flights to Milltown (Kerry)from €39

Cheap flights from Chicago to Ireland from €194

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 25/1. 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

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Chicago to Ireland

Cheap return flights

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Cheap last-minute flights

Cheap direct flights

Scandinavian Airlines flights from Chicago to Ireland

Our best Scandinavian Airlines deals on Chicago to Ireland flight tickets

TAP AIR PORTUGAL flights from Chicago to Ireland

Our best TAP AIR PORTUGAL 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 €488.

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?

KLM, American Airlines, and Delta are the most popular carriers operating from Chicago to Ireland

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

Historically, on average around 22% of flights between $[0, place:'genitive'] and $[1, place:'genitive'] 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 $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] 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.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

According to our data, Air Antilles have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

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

The number of flights available between Chicago and Ireland is 10 per day as of November 2025. The most frequent departure time is 18:00, with 63% of daily flights leaving in the evening.

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

76 flights are operational weekly from Chicago to Ireland as of November 2025. The most popular departure day for this route is Fri, with 17% 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