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 154 minutes.

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?

JetBlue and Air France 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 7 per day as of February 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?

52 flights are operational weekly from Chicago to Ireland as of February 2026. The most popular departure day for this route is Thu, with 17% 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.

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 February 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.

€159 Cheap Flights from Chicago to Ireland in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Chicago to Ireland

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

19:25 - 13:15

ORD

DUB

11h 50m

1 stop

12:15 - 18:15

DUB

ORD

12h 00m

1 stop

€356Icelandair

Wed, 15 Apr - Wed, 29 Apr

19:20 - 18:20

ORD

DUB

17h 00m

1 stop

10:10 - 16:45

DUB

ORD

12h 35m

1 stop

€357Scandinavian Airlines

Wed, 25 Feb - Sat, 7 Mar

07:30 - 09:10

MDW

DUB

43h 40m

2 stops

11:30 - 10:05

DUB

MDW

28h 35m

1 stop

€398Multiple Airlines

Sat, 18 Apr - Sat, 25 Apr

13:49 - 07:45

MDW

DUB

11h 56m

1 stop

09:45 - 17:22

DUB

MDW

12h 37m

1 stop

€399Air France

Sun, 1 Mar - Tue, 10 Mar

13:49 - 07:45

MDW

DUB

11h 56m

1 stop

09:45 - 17:22

DUB

MDW

12h 37m

1 stop

€400Air France

Sun, 1 Mar - Tue, 10 Mar

18:20 - 15:00

ORD

ORK

15h 40m

1 stop

17:10 - 14:30

ORK

ORD

27h 20m

1 stop

€402Multiple Airlines

Mon, 23 Mar - Tue, 7 Apr

10:49 - 07:45

MDW

DUB

14h 56m

1 stop

09:45 - 17:22

DUB

MDW

12h 37m

1 stop

€402KLM

Mon, 2 Mar - Wed, 11 Mar

14:05 - 07:45

MDW

DUB

12h 40m

1 stop

09:45 - 22:31

DUB

MDW

17h 46m

1 stop

€403KLM

Tue, 10 Mar - Tue, 17 Mar

18:20 - 15:00

ORD

ORK

15h 40m

1 stop

17:10 - 16:43

ORK

ORD

29h 33m

2 stops

€406Delta

Mon, 23 Mar - Tue, 7 Apr

14:10 - 15:00

ORD

ORK

19h 50m

2 stops

06:15 - 14:30

ORK

ORD

14h 15m

1 stop

€407Delta

Tue, 24 Mar - Wed, 1 Apr

Delta flights from Chicago to Ireland

Our best Delta deals on Chicago to Ireland flight tickets

Delta

2 Mar

MDW10:49Chicago Midway

14h 56m

1 stop

DUB07:45Dublin

11 Mar

DUB09:45Dublin

12h 37m

1 stop

MDW17:22Chicago Midway

€402

Delta

23 Mar

ORD18:20Chicago O'Hare Intl

15h 40m

1 stop

ORK15:00Cork

7 Apr

ORK17:10Cork

29h 33m

2 stops

ORD16:43Chicago O'Hare Intl

€406

Delta

24 Mar

ORD14:10Chicago O'Hare Intl

19h 50m

2 stops

ORK15:00Cork

1 Apr

ORK06:15Cork

14h 15m

1 stop

ORD14:30Chicago O'Hare Intl

€407

KLM flights from Chicago to Ireland

Our best KLM deals on Chicago to Ireland flight tickets

KLM

10 Mar

MDW14:05Chicago Midway

12h 40m

1 stop

DUB07:45Dublin

17 Mar

DUB09:45Dublin

17h 46m

1 stop

MDW22:31Chicago Midway

€403

KLM

25 Mar

ORD17:25Chicago O'Hare Intl

25h 00m

1 stop

ORK23:25Cork

2 Apr

ORK06:15Cork

14h 00m

1 stop

ORD14:15Chicago O'Hare Intl

€408

KLM

27 Apr

ORD17:10Chicago O'Hare Intl

15h 30m

1 stop

ORK14:40Cork

6 May

ORK10:50Cork

16h 39m

2 stops

ORD21:29Chicago O'Hare Intl

€412

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 15/4

19:25-13:15

1 stop11h 50m

Dublin

Wed 29/4

12:15-18:15

1 stop12h 00m

€356

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 25/2

19:20-18:20

1 stop17h 00m

Dublin

Sat 7/3

10:10-16:45

1 stop12h 35m

€357

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Sat 18/4

07:30-09:10

2 stops43h 40m

Dublin

Sat 25/4

11:30-10:05

1 stop28h 35m

€398

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Sun 1/3

13:49-07:45

1 stop11h 56m

Dublin

Tue 10/3

09:45-17:22

1 stop12h 37m

€399

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Sun 1/3

13:49-07:45

1 stop11h 56m

Dublin

Tue 10/3

09:45-17:22

1 stop12h 37m

€400

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 23/3

18:20-15:00

1 stop15h 40m

Cork

Tue 7/4

17:10-14:30

1 stop27h 20m

€402

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Mon 2/3

10:49-07:45

1 stop14h 56m

Dublin

Wed 11/3

09:45-17:22

1 stop12h 37m

€402

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 10/3

14:05-07:45

1 stop12h 40m

Dublin

Tue 17/3

09:45-22:31

1 stop17h 46m

€403

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 23/3

18:20-15:00

1 stop15h 40m

Cork

Tue 7/4

17:10-16:43

2 stops29h 33m

€406

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Tue 24/3

14:10-15:00

2 stops19h 50m

Cork

Wed 1/4

06:15-14:30

1 stop14h 15m

€407

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 €476.

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 €538. 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 €732. 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 €616. 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 €638.

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 €576 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 €542 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	€358
Fastest flight time	7h 15m
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 €358

The fastest flight from Chicago to Ireland takes 7h 15m

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 February 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 26.26% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 17.37%, Boeing 767-300 at 17.25%, and Boeing 787-8 Dreamliner at 15.53%.

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 €298	Free Cancellation	Rating 7.2 1,444 reviews		Search Aer Lingus flights
United Airlines	PriceFrom €442	Free Cancellation	Rating 7.4 9,219 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 3/3

Tue 10/3

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular Cities in Ireland

Flights to Dublinfrom €40

Flights to Corkfrom €89

Flights to Shannon, Clarefrom €89

Flights to Donegalfrom €74

Flights to Milltown (Kerry)from €40

Cheap flights from Chicago to Ireland from €159

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 25/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Delta flights from Chicago to Ireland

Our best Delta deals on Chicago to Ireland flight tickets

KLM flights from Chicago to Ireland

Our best KLM deals on Chicago to Ireland flight tickets

momondo Fare Finder

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 €476.

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?

JetBlue and Air France 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 154 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 7 per day as of February 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?

52 flights are operational weekly from Chicago to Ireland as of February 2026. The most popular departure day for this route is Thu, 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