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

As of January 2026, 65 flights take off from Chicago and land in Ireland each week. The most common flight departure day for this route is Mon, with 15% of weekly flights 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 which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

What airlines fly to Ireland?

Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to Ireland from Chicago according to our data. Aer Lingus is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 16 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

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.

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

According to our data, Air France have had the least number of delays on this route over the last 12 months; with about 18% of their flights experiencing any sort of delay.

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

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

Aer Lingus, 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?

As of January 2026, there are 9 flights per day flying from Chicago to Ireland. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

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

Prices for flights from Chicago to Ireland refresh daily.

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

The number of operators available for flights from Chicago to Ireland is 16 as of January 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Ireland.

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

The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$219 Cheap Flights from Chicago to Ireland in 2026

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Cheap round-trip flights

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6:00 pm - 10:45 am

ORD

ORK

10h 45m

1 stop

7:20 am - 7:15 pm

ORK

ORD

17h 55m

2 stops

$391British Airways

seg, abr 27 - qua, mai 6

10:35 pm - 3:10 pm

ORD

ORK

10h 35m

1 stop

7:20 am - 7:15 pm

ORK

ORD

17h 55m

2 stops

$392British Airways

seg, abr 27 - qua, mai 6

9:00 pm - 10:35 am

ORD

DUB

7h 35mnonstop

1:20 pm - 7:33 pm

DUB

ORD

12h 13m

1 stop

$421American Airlines

qua, abr 1 - qua, abr 8

9:00 pm - 10:35 am

ORD

DUB

7h 35mnonstop

4:45 pm - 7:15 pm

DUB

ORD

8h 30mnonstop

$422Iberia

ter, abr 21 - ter, abr 28

3:45 pm - 5:10 am

ORD

DUB

7h 25mnonstop

4:45 pm - 7:15 pm

DUB

ORD

8h 30mnonstop

$423Iberia

qua, abr 8 - sex, abr 17

8:15 pm - 9:45 am

ORD

DUB

7h 30mnonstop

11:35 am - 1:40 pm

DUB

ORD

8h 05mnonstop

$424United Airlines

ter, abr 7 - ter, abr 14

8:45 am - 7:20 am

ORD

DUB

16h 35m

1 stop

9:50 am - 7:58 am

DUB

ORD

28h 08m

2 stops

$425United Airlines

qua, abr 1 - ter, abr 7

7:20 pm - 6:20 pm

ORD

DUB

17h 00m

1 stop

7:05 pm - 4:45 pm

DUB

ORD

27h 40m

1 stop

$426Scandinavian Airlines

qui, fev 19 - dom, mar 1

7:15 pm - 11:50 am

ORD

DUB

34h 35m

1 stop

7:50 pm - 4:10 pm

DUB

ORD

50h 20m

2 stops

$428Scandinavian Airlines

sáb, abr 18 - seg, abr 27

6:30 pm - 11:30 am

ORD

SNN

11h 00m

1 stop

7:50 am - 5:00 pm

SNN

ORD

15h 10m

1 stop

$470American Airlines

seg, fev 16 - ter, fev 24

Aer Lingus flights from Chicago to Ireland

Our best Aer Lingus deals on Chicago to Ireland flight tickets

Aer Lingus

Apr 8

ORD9:00 pmChicago O'Hare Intl

7h 35m

DUB10:35 amDublin

Apr 15

DUB11:35 amDublin

8h 25m

ORD2:00 pmChicago O'Hare Intl

$423

Aer Lingus

Jan 30

ORD9:00 pmChicago O'Hare Intl

7h 20m

DUB10:20 amDublin

Feb 6

DUB4:40 pmDublin

8h 35m

ORD7:15 pmChicago O'Hare Intl

$465

Aer Lingus

Jan 22

ORD9:00 pmChicago O'Hare Intl

7h 20m

DUB10:20 amDublin

Jan 27

DUB4:40 pmDublin

8h 35m

ORD7:15 pmChicago O'Hare Intl

$468

United Airlines flights from Chicago to Ireland

Our best United Airlines deals on Chicago to Ireland flight tickets

United Airlines

Jan 25

ORD12:38 pmChicago O'Hare Intl

12h 52m

2 stops

DUB7:30 amDublin

Feb 3

DUB10:40 amDublin

8h 50m

ORD1:30 pmChicago O'Hare Intl

$422

United Airlines

Jan 25

ORD6:35 pmChicago O'Hare Intl

7h 35m

DUB8:10 amDublin

Feb 3

DUB10:40 amDublin

8h 50m

ORD1:30 pmChicago O'Hare Intl

$423

United Airlines

Apr 7

ORD8:15 pmChicago O'Hare Intl

7h 30m

DUB9:45 amDublin

Apr 14

DUB11:35 amDublin

8h 05m

ORD1:40 pmChicago O'Hare Intl

$424

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

seg 4/27

6:00 pm-10:45 am

1 stop10h 45m

Cork

qua 5/6

7:20 am-7:15 pm

2 stops17h 55m

$391

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

seg 4/27

10:35 pm-3:10 pm

1 stop10h 35m

Cork

qua 5/6

7:20 am-7:15 pm

2 stops17h 55m

$392

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

qua 4/1

9:00 pm-10:35 am

Nonstop7h 35m

Dublin

qua 4/8

1:20 pm-7:33 pm

1 stop12h 13m

$421

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

ter 4/21

9:00 pm-10:35 am

Nonstop7h 35m

Dublin

ter 4/28

4:45 pm-7:15 pm

Nonstop8h 30m

$422

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

qua 4/8

3:45 pm-5:10 am

Nonstop7h 25m

Dublin

sex 4/17

4:45 pm-7:15 pm

Nonstop8h 30m

$423

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

ter 4/7

8:15 pm-9:45 am

Nonstop7h 30m

Dublin

ter 4/14

11:35 am-1:40 pm

Nonstop8h 05m

$424

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

qua 4/1

8:45 am-7:20 am

1 stop16h 35m

Dublin

ter 4/7

9:50 am-7:58 am

2 stops28h 08m

$425

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

qui 2/19

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

dom 3/1

7:05 pm-4:45 pm

1 stop27h 40m

$426

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

sáb 4/18

7:15 pm-11:50 am

1 stop34h 35m

Dublin

seg 4/27

7:50 pm-4:10 pm

2 stops50h 20m

$428

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

seg 2/16

6:30 pm-11:30 am

1 stop11h 00m

Shannon

ter 2/24

7:50 am-5:00 pm

1 stop15h 10m

$470

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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?

In general, February is the cheapest month to fly from Chicago to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $549. If you aren’t able to travel to Ireland during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $564.

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 Tuesday when prices can be found for as low as $744. This is often the case because there is less demand to fly during this day of the week. Flights from Chicago to Ireland on a Friday will generally be more expensive and average around $834. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Ireland is in the evening. momondo users have found flights departing from Chicago to Ireland in the evening for as low as $759. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around $800.

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 $684 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Chicago for as low as $645 on momondo.

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

There are 3 cabin classes 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	$396
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Ireland	77 airports

The best one-way flight to Ireland from Chicago in the past 72 hours is $396. The best round-trip flight deal from Chicago to Ireland found on momondo in the last 72 hours is $540.

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 refresh daily.
How many operators does momondo search for flights from Chicago to Ireland?
The number of operators available for flights from Chicago to Ireland is 16 as of January 2026.
How old do you have to be to fly from Chicago to Ireland?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago to Ireland?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago to Ireland is Airbus A330-300 (26.34% of total bookings). The next most popular plane models are Boeing 767-300 (17.97%), Boeing 787 Dreamliner (17.30%), and Boeing 787-8 Dreamliner (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
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,891 reviews	Search JetBlue flights
Icelandair	PriceFrom $344	Free Cancellation	Rating 7.1 602 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $393	Free Cancellation	Rating 7.1 2,124 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.3 1,660 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $435	Free Cancellation	Rating 6.7 7,689 reviews	Search British Airways flights
Aer Lingus	PriceFrom $469	Free Cancellation	Rating 7.2 1,441 reviews	Search Aer Lingus flights
American Airlines	PriceFrom $470	Free Cancellation	Rating 7.2 11,174 reviews	Search American Airlines flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.5 1,855 reviews	Search SWISS flights
Brussels Airlines	PriceFrom $487	Free Cancellation	Rating 7.2 382 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom $488	Free Cancellation	Rating 6.8 7,738 reviews	Search Lufthansa flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Ireland for you.

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

Yes. All flights to Ireland from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Chicago and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Ireland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ireland from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize 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 $333

Flights to Shannon, Clarefrom $354

Flights to Corkfrom $392

Flights to Knockfrom $462

Flights to Milltown (Kerry)from $494

Flights to Donegalfrom $520

Cheap flights from Chicago to Ireland from $219

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 2/11. 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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Aer Lingus flights from Chicago to Ireland

Our best Aer Lingus deals on Chicago to Ireland flight tickets

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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?

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 are 3 cabin classes 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?

Aer Lingus, United Airlines, and American Airlines are the most popular carriers operating from Chicago to Ireland

What airlines fly 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 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 which experiences the fewest number of 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 least number of 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?

As of January 2026, there are 9 flights per day flying from Chicago to Ireland. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

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

As of January 2026, 65 flights take off from Chicago and land in Ireland each week. The most common flight departure day for this route is Mon, with 15% of weekly flights 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, organize 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