What is the cheapest airline that flies from Chicago O'Hare Intl to Ireland?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Chicago O'Hare Intl to Ireland

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 O'Hare Intl Airport to Ireland on average per week?

As of December 2025, there are 95 flights per week flying from Chicago O'Hare Intl Airport to Ireland. The most common day of the week flights depart is Fri, with 16% of flights 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 many flights depart from Chicago O'Hare Intl Airport to Ireland on average per day?

As of December 2025, there are 13 flights per day flying from Chicago O'Hare Intl Airport to Ireland. The most common time of day flights depart is 18:00, with 65% of flights taking off in the evening.

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 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.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Ireland?

There are 2 operators available for flights from Chicago O'Hare Intl Airport to Ireland as of December 2025.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Ireland?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Ireland.

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

The necessary travel and health documents for your Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

€208 Cheap Flights from Chicago O'Hare Intl Airport to Ireland in 2025/26

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20:25 - 16:10

ORD

DUB

13h 45m1 stop

04:15 - 14:45

DUB

ORD

16h 30m1 stop

€357TAP AIR PORTUGAL

א', 1 מרץ - ש', 7 מרץ

20:15 - 23:20

ORD

DUB

21h 05m1 stop

16:55 - 15:00

DUB

ORD

28h 05m1 stop

€358TAP AIR PORTUGAL

ו', 16 ינו' - ג', 20 ינו'

19:10 - 18:20

ORD

DUB

17h 10m1 stop

10:10 - 16:55

DUB

ORD

12h 45m1 stop

€359Scandinavian Airlines

א', 1 פב' - א', 8 פב'

19:20 - 18:20

ORD

DUB

17h 00m1 stop

10:10 - 16:45

DUB

ORD

12h 35m1 stop

€359Scandinavian Airlines

ב', 2 מרץ - ש', 7 מרץ

21:50 - 17:10

ORD

DUB

13h 20m1 stop

05:00 - 15:20

DUB

ORD

16h 20m1 stop

€365Lufthansa

ג', 13 ינו' - ה', 22 ינו'

21:50 - 17:10

ORD

DUB

13h 20m1 stop

05:00 - 15:20

DUB

ORD

16h 20m1 stop

€365Lufthansa

א', 11 ינו' - ג', 20 ינו'

22:35 - 16:10

ORD

SNN

11h 35m1 stop

21:15 - 11:55

SNN

ORD

20h 40m1 stop

€400American Airlines

ג', 7 אפר' - ה', 16 אפר'

18:45 - 15:25

ORD

ORK

14h 40m1 stop

07:40 - 17:00

ORK

ORD

15h 20m1 stop

€401American Airlines

ג', 27 ינו' - ג', 3 פב'

14:00 - 10:15

ORD

SNN

14h 15m2 stops

12:30 - 19:22

SNN

ORD

12h 52m2 stops

€420United Airlines

ג', 21 אפר' - ג', 5 מאי

12:45 - 10:15

ORD

SNN

15h 30m2 stops

12:30 - 23:11

SNN

ORD

16h 41m2 stops

€462United Airlines

ג', 14 אפר' - ג', 21 אפר'

TAP AIR PORTUGAL flights from Chicago O'Hare Intl Airport to Ireland

Our best TAP AIR PORTUGAL deals on Chicago O'Hare Intl Airport to Ireland flight tickets

TAP AIR PORTUGAL

1 Mar

ORD20:25Chicago O'Hare Intl

13h 45m

1 stop

DUB16:10Dublin

7 Mar

DUB04:15Dublin

16h 30m

1 stop

ORD14:45Chicago O'Hare Intl

€357

Find similar

TAP AIR PORTUGAL

16 Jan

ORD20:15Chicago O'Hare Intl

21h 05m

1 stop

DUB23:20Dublin

20 Jan

DUB16:55Dublin

28h 05m

1 stop

ORD15:00Chicago O'Hare Intl

€358

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TAP AIR PORTUGAL

14 Jan

ORD19:10Chicago O'Hare Intl

22h 10m

1 stop

DUB23:20Dublin

20 Jan

DUB16:55Dublin

28h 05m

1 stop

ORD15:00Chicago O'Hare Intl

€373

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Scandinavian Airlines flights from Chicago O'Hare Intl Airport to Ireland

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Ireland flight tickets

Scandinavian Airlines

1 Feb

ORD19:10Chicago O'Hare Intl

17h 10m

1 stop

DUB18:20Dublin

8 Feb

DUB10:10Dublin

12h 45m

1 stop

ORD16:55Chicago O'Hare Intl

€359

Find similar

Scandinavian Airlines

2 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

8 Feb

ORD19:10Chicago O'Hare Intl

18h 25m

2 stops

DUB19:35Dublin

15 Feb

DUB17:15Dublin

29h 30m

2 stops

ORD16:45Chicago O'Hare Intl

€360

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ireland that are best for you.

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Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

א' 1/3

20:25-16:10

1 stop13h 45m

Dublin

ש' 7/3

04:15-14:45

1 stop16h 30m

€357

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

ו' 16/1

20:15-23:20

1 stop21h 05m

Dublin

ג' 20/1

16:55-15:00

1 stop28h 05m

€358

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

א' 1/2

19:10-18:20

1 stop17h 10m

Dublin

א' 8/2

10:10-16:55

1 stop12h 45m

€359

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

ב' 2/3

19:20-18:20

1 stop17h 00m

Dublin

ש' 7/3

10:10-16:45

1 stop12h 35m

€359

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

ג' 13/1

21:50-17:10

1 stop13h 20m

Dublin

ה' 22/1

05:00-15:20

1 stop16h 20m

€365

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

א' 11/1

21:50-17:10

1 stop13h 20m

Dublin

ג' 20/1

05:00-15:20

1 stop16h 20m

€365

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

ג' 7/4

22:35-16:10

1 stop11h 35m

Shannon

ה' 16/4

21:15-11:55

1 stop20h 40m

€400

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

ג' 27/1

18:45-15:25

1 stop14h 40m

Cork

ג' 3/2

07:40-17:00

1 stop15h 20m

€401

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

ג' 21/4

14:00-10:15

2 stops14h 15m

Shannon

ג' 5/5

12:30-19:22

2 stops12h 52m

€420

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

ג' 14/4

12:45-10:15

2 stops15h 30m

Shannon

ג' 21/4

12:30-23:11

2 stops16h 41m

€462

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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 February is another great option to travel to Ireland, with average flight prices from Chicago O'Hare Intl Airport averaging around €469.

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 €543. 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 O'Hare Intl Airport 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 €775.

What is the cheapest Chicago O'Hare Intl to Ireland flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport 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 O'Hare Intl Airport for as low as €566 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Ireland flights?

There is only 1 cabin class available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Ireland flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Ireland.

Cheap Chicago O'Hare Intl Airport to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Ireland found on momondo in the last 72 hours is €488

The fastest flight from Chicago O'Hare Intl Airport to Ireland takes 7h 20m

Direct flights go from Chicago O'Hare Intl Airport to Ireland every day.

There are 77 airports in Ireland. From Chicago O'Hare Intl Airport there are direct flights to Dublin (DUB), Shannon (SNN).

Search flight deals

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Ireland?
Prices for flights from Chicago O'Hare Intl Airport to Ireland refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Ireland?
There are 2 operators available for flights from Chicago O'Hare Intl Airport to Ireland as of December 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Ireland?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The necessary travel and health documents for your Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Ireland?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Ireland, the leading plane model is Airbus A330-300, making up 24.94% of the total bookings. Other popular models include Boeing 767-300 with 20.23%, Boeing 787 Dreamliner with 14.42%, and Boeing 787-8 Dreamliner with 13.87%.

Best airlines flying from Chicago O'Hare Intl Airport to Ireland

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Ireland with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom €305	Free Cancellation	Rating 7.2 1,394 reviews		Search Aer Lingus flights
United Airlines	PriceFrom €488	Free Cancellation	Rating 7.4 9,092 reviews		Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ireland from Chicago.

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?

Once all potential Chicago to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Chicago to Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ireland and let you know when they 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.

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Find better results for your trip to Ireland

Popular Cities in Ireland

Flights to Dublinfrom €39

Flights to Corkfrom €93

Flights to Shannon, Clarefrom €95

Flights to Donegalfrom €75

Flights to Milltown (Kerry)from €39

Cheap flights from Chicago O'Hare Intl Airport to Ireland from €208

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Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ireland that are best for you.

See travel insights to Ireland from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Ireland

What is the cheapest month to fly to Ireland?

The month of February is another great option to travel to Ireland, with average flight prices from Chicago O'Hare Intl Airport averaging around €469.

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 O'Hare Intl to Ireland flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Chicago O'Hare Intl - Ireland flight prices

How far in advance should I book a flight to Ireland?

What cabin class options are available on Chicago O'Hare Intl to Ireland flights?

There is only 1 cabin class available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Ireland flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Ireland.

What is the cheapest airline that flies from Chicago O'Hare Intl to Ireland?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Chicago O'Hare Intl 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 O'Hare Intl Airport to Ireland on average per day?

As of December 2025, there are 13 flights per day flying from Chicago O'Hare Intl Airport to Ireland. The most common time of day flights depart is 18:00, with 65% of flights taking off in the evening.

How many flights depart from Chicago O'Hare Intl Airport to Ireland on average per week?

As of December 2025, there are 95 flights per week flying from Chicago O'Hare Intl Airport to Ireland. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.

Cheap Chicago O'Hare Intl Airport to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Ireland

Best price found

Fastest flight time

Direct flights

Airports in Ireland

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Ireland?

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Ireland?

How old do you have to be to fly from Chicago O'Hare Intl Airport to Ireland?

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

What is the most popular plane model from Chicago O'Hare Intl Airport to Ireland?

Best airlines flying from Chicago O'Hare Intl Airport to Ireland

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport 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