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

As of January 2026, 9 flights take off from Chicago O'Hare Intl Airport and land in Ireland each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

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

Lufthansa and Aer Lingus are the most popular carriers operating from Chicago O'Hare Intl to Ireland

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 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 airlines fly to Ireland?

Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to Ireland from Chicago O'Hare Intl Airport 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 154 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.

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

As of January 2026, there are 65 flights per week flying from Chicago O'Hare Intl Airport to Ireland. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

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 are updated daily.

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

The number of operators available for flights from Chicago O'Hare Intl Airport to Ireland is 16 as of January 2026.

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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 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 O'Hare Intl Airport to Ireland in 2026

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Find the cheapest flights from Chicago O'Hare Intl Airport to Ireland

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:20 pm - 6:20 pm

ORD

DUB

17h 00m

1 stop

10:10 am - 4:45 pm

DUB

ORD

12h 35m

1 stop

$423Scandinavian Airlines

Wed, Feb 25 - Sat, Mar 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

$424Scandinavian Airlines

Wed, Feb 18 - Sun, Feb 22

6:30 pm - 10:15 am

ORD

DUB

9h 45m

1 stop

11:30 am - 5:20 pm

DUB

ORD

11h 50m

1 stop

$429Icelandair

Wed, Feb 25 - Wed, Mar 4

7:25 pm - 1:15 pm

ORD

DUB

11h 50m

1 stop

2:15 pm - 6:15 pm

DUB

ORD

10h 00m

1 stop

$433Icelandair

Mon, Apr 13 - Tue, Apr 21

8:35 pm - 8:35 pm

ORD

SNN

18h 00m

1 stop

7:30 am - 3:00 pm

SNN

ORD

13h 30m

1 stop

$471American Airlines

Tue, Apr 7 - Fri, Apr 17

6:00 pm - 8:35 pm

ORD

SNN

20h 35m

1 stop

9:15 pm - 12:30 pm

SNN

ORD

21h 15m

1 stop

$472American Airlines

Mon, Apr 27 - Wed, May 6

4:30 pm - 10:15 am

ORD

SNN

11h 45m

1 stop

12:30 pm - 6:25 pm

SNN

ORD

11h 55m

1 stop

$490United Airlines

Tue, Apr 7 - Fri, Apr 17

2:00 pm - 10:15 am

ORD

SNN

14h 15m

2 stops

12:30 pm - 7:22 pm

SNN

ORD

12h 52m

2 stops

$494United Airlines

Tue, Apr 21 - Tue, May 5

5:10 pm - 12:25 pm

ORD

NOC

13h 15m

1 stop

1:00 pm - 4:25 pm

NOC

ORD

32h 25m

1 stop

$904British Airways

Wed, Mar 4 - Sun, Mar 8

5:10 pm - 12:25 pm

ORD

NOC

13h 15m

1 stop

1:00 pm - 6:00 pm

NOC

ORD

34h 00m

1 stop

$905British Airways

Wed, Mar 4 - Sun, Mar 8

Lufthansa flights from Chicago O'Hare Intl Airport to Ireland

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

Lufthansa

Mar 1

ORD9:50 pmChicago O'Hare Intl

13h 20m

1 stop

DUB5:10 pmDublin

Mar 10

DUB5:00 amDublin

14h 25m

1 stop

ORD2:25 pmChicago O'Hare Intl

$430

Lufthansa

Feb 25

ORD9:50 pmChicago O'Hare Intl

13h 20m

1 stop

DUB5:10 pmDublin

Mar 4

DUB5:10 amDublin

14h 15m

1 stop

ORD1:25 pmChicago O'Hare Intl

$432

Lufthansa

Apr 8

ORD9:00 amChicago O'Hare Intl

19h 15m

1 stop

SNN10:15 amShannon

Apr 17

SNN12:30 pmShannon

11h 55m

1 stop

ORD6:25 pmChicago O'Hare Intl

$510

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

Apr 8

ORD6:00 pmChicago O'Hare Intl

24h 05m

1 stop

DUB12:05 amDublin

Apr 19

DUB5:30 amDublin

16h 30m

1 stop

ORD4:00 pmChicago O'Hare Intl

$440

TAP AIR PORTUGAL

Mar 1

ORD8:25 pmChicago O'Hare Intl

13h 45m

1 stop

DUB4:10 pmDublin

Mar 10

DUB4:55 pmDublin

28h 05m

1 stop

ORD4:00 pmChicago O'Hare Intl

$461

TAP AIR PORTUGAL

Feb 8

ORD8:25 pmChicago O'Hare Intl

13h 45m

1 stop

DUB4:10 pmDublin

Feb 19

DUB4:25 amDublin

17h 00m

1 stop

ORD3:25 pmChicago O'Hare Intl

$488

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.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/25

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

Sat 3/7

10:10 am-4:45 pm

1 stop12h 35m

$423

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/18

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

Sun 2/22

7:05 pm-4:45 pm

1 stop27h 40m

$424

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/25

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Wed 3/4

11:30 am-5:20 pm

1 stop11h 50m

$429

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 4/13

7:25 pm-1:15 pm

1 stop11h 50m

Dublin

Tue 4/21

2:15 pm-6:15 pm

1 stop10h 00m

$433

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/7

8:35 pm-8:35 pm

1 stop18h 00m

Shannon

Fri 4/17

7:30 am-3:00 pm

1 stop13h 30m

$471

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 4/27

6:00 pm-8:35 pm

1 stop20h 35m

Shannon

Wed 5/6

9:15 pm-12:30 pm

1 stop21h 15m

$472

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/7

4:30 pm-10:15 am

1 stop11h 45m

Shannon

Fri 4/17

12:30 pm-6:25 pm

1 stop11h 55m

$490

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/21

2:00 pm-10:15 am

2 stops14h 15m

Shannon

Tue 5/5

12:30 pm-7:22 pm

2 stops12h 52m

$494

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/4

5:10 pm-12:25 pm

1 stop13h 15m

Knock Intl

Sun 3/8

1:00 pm-4:25 pm

1 stop32h 25m

$904

ChicagoKnock

ORD - NOC

ORDNOC

Chicago O'Hare Intl

Wed 3/4

5:10 pm-12:25 pm

1 stop13h 15m

Knock Intl

Sun 3/8

1:00 pm-6:00 pm

1 stop34h 00m

$905

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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?

In general, January is the cheapest month to fly from Chicago O'Hare Intl Airport to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $520. If you aren’t able to travel to Ireland during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $520.

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 $740. This is often the case because there is less demand to fly during this day of the week. Flights from Chicago O'Hare Intl Airport to Ireland on a Friday will generally be more expensive and average around $831. 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 O'Hare Intl Airport to Ireland in the evening for as low as $755. 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 $798.

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 $683 when searching weeks out. 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 $642 on momondo.

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

There are 3 cabin classes 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	$378
Fastest flight time	7h 15m
Direct flights	Every day
Airports in Ireland	77 airports

The best one-way flight to Ireland from Chicago O'Hare Intl Airport in the past 72 hours is $378. The best round-trip flight deal from Chicago O'Hare Intl Airport to Ireland found on momondo in the last 72 hours is $540.

The fastest flight from Chicago O'Hare Intl Airport to Ireland takes 7h 15m

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 are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Ireland?
The number of operators available for flights from Chicago O'Hare Intl Airport to Ireland is 16 as of January 2026.
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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 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 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 26.26% of the total bookings. Other popular models include Boeing 787 Dreamliner with 17.37%, Boeing 767-300 with 17.25%, and Boeing 787-8 Dreamliner with 15.53%.

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
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,892 reviews	Search JetBlue flights
Icelandair	PriceFrom $344	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $393	Free Cancellation	Rating 7.1 2,130 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.3 1,674 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $425	Free Cancellation	Rating 6.7 7,705 reviews	Search British Airways flights
Aer Lingus	PriceFrom $468	Free Cancellation	Rating 7.2 1,443 reviews	Search Aer Lingus flights
Iberia	PriceFrom $469	Free Cancellation	Rating 7.0 3,099 reviews	Search Iberia flights
American Airlines	PriceFrom $470	Free Cancellation	Rating 7.2 11,205 reviews	Search American Airlines flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.6 1,864 reviews	Search SWISS flights
Brussels Airlines	PriceFrom $487	Free Cancellation	Rating 7.2 381 reviews	Search Brussels Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Ireland. Millions of users trust and use momondo every year so you are in good hands.

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 provides multiple filters to help you find the best flight to Ireland from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

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Find better results for your trip to Ireland

Popular cities in Ireland

Flights to Dublinfrom $285

Flights to Shannon, Clarefrom $354

Flights to Corkfrom $364

Flights to Knockfrom $609

Flights to Milltown (Kerry)from $482

Flights to Donegalfrom $758

Chicago O'Hare Intl Airport flight routes

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Cheap flights from Chicago O'Hare Intl Airport to Ireland from $219

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Lufthansa flights from Chicago O'Hare Intl Airport to Ireland

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

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

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.

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?

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 are 3 cabin classes 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?

Lufthansa and Aer Lingus are the most popular carriers operating from Chicago O'Hare Intl 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 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 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 O'Hare Intl Airport to Ireland on average per day?

As of January 2026, 9 flights take off from Chicago O'Hare Intl Airport and land in Ireland each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

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

As of January 2026, there are 65 flights per week flying from Chicago O'Hare Intl Airport to Ireland. The most common day of the week flights depart is Mon, with 15% 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, 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