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

According to our data, Aer Lingus 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 most punctual flight time for Chicago to Dublin 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.

How often are flights from Chicago to Dublin delayed?

Historically, on average around 20% of flights between Chicago and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 155 minutes.

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

As of December 2025, there are 10 flights per day flying from Chicago O'Hare Intl Airport to Dublin. 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 Dublin on average per week?

The number of flights available between Chicago O'Hare Intl Airport and Dublin is 70 per week as of December 2025. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.

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

Prices for flights from Chicago O'Hare Intl Airport to Dublin Airport are updated daily.

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

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

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

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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Dublin Airport.

What documentation or ID do you need to fly to Dublin Airport?

The travel and health documents required for your trip to Dublin Airport 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 Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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10:29 - 18:20

ORD

DUB

25h 51m2 stops

11:30 - 16:45

DUB

ORD

35h 15m2 stops

€362Scandinavian Airlines

Mon, 26 Jan - Fri, 30 Jan

07:00 - 11:45

ORD

DUB

22h 45m2 stops

10:10 - 16:45

DUB

ORD

12h 35m1 stop

€363Scandinavian Airlines

Thu, 19 Feb - Sun, 1 Mar

19:20 - 08:55

ORD

DUB

31h 35m2 stops

19:05 - 16:45

DUB

ORD

27h 40m1 stop

€363Scandinavian Airlines

Thu, 12 Feb - Sun, 22 Feb

19:20 - 18:20

ORD

DUB

17h 00m1 stop

10:10 - 16:45

DUB

ORD

12h 35m1 stop

€364Scandinavian Airlines

Sat, 28 Feb - Sat, 7 Mar

18:25 - 11:45

ORD

DUB

35h 20m2 stops

10:10 - 17:45

DUB

ORD

12h 35m1 stop

€365Scandinavian Airlines

Mon, 2 Mar - Sun, 8 Mar

19:20 - 09:25

ORD

DUB

32h 05m1 stop

10:10 - 16:45

DUB

ORD

12h 35m1 stop

€366Scandinavian Airlines

Fri, 13 Feb - Sat, 21 Feb

18:25 - 11:45

ORD

DUB

35h 20m2 stops

12:30 - 16:45

DUB

ORD

34h 15m1 stop

€367Scandinavian Airlines

Wed, 21 Jan - Fri, 30 Jan

16:10 - 12:30

ORD

DUB

14h 20m1 stop

12:50 - 12:45

DUB

ORD

29h 55m1 stop

€368SWISS

Sun, 18 Jan - Wed, 28 Jan

18:30 - 10:15

ORD

DUB

9h 45m1 stop

11:30 - 18:20

DUB

ORD

11h 50m1 stop

€369Icelandair

Wed, 4 Mar - Tue, 10 Mar

18:30 - 10:15

ORD

DUB

9h 45m1 stop

11:30 - 17:20

DUB

ORD

11h 50m1 stop

€369Icelandair

Wed, 7 Jan - Wed, 14 Jan

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

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

Scandinavian Airlines

26 Jan

ORD10:29Chicago O'Hare Intl

25h 51m

2 stops

DUB18:20Dublin

30 Jan

DUB11:30Dublin

35h 15m

2 stops

ORD16:45Chicago O'Hare Intl

€362

Find similar

Scandinavian Airlines

19 Feb

ORD07:00Chicago O'Hare Intl

22h 45m

2 stops

DUB11:45Dublin

1 Mar

DUB10:10Dublin

12h 35m

1 stop

ORD16:45Chicago O'Hare Intl

€363

Find similar

Scandinavian Airlines

12 Feb

ORD19:20Chicago O'Hare Intl

31h 35m

2 stops

DUB08:55Dublin

22 Feb

DUB19:05Dublin

27h 40m

1 stop

ORD16:45Chicago O'Hare Intl

€363

Find similar

SWISS flights from Chicago O'Hare Intl Airport to Dublin

Our best SWISS deals on Chicago O'Hare Intl Airport to Dublin flight tickets

SWISS

18 Jan

ORD16:10Chicago O'Hare Intl

14h 20m

1 stop

DUB12:30Dublin

28 Jan

DUB12:50Dublin

29h 55m

1 stop

ORD12:45Chicago O'Hare Intl

€368

Find similar

SWISS

2 Mar

ORD16:10Chicago O'Hare Intl

13h 55m

1 stop

DUB12:05Dublin

9 Mar

DUB18:35Dublin

24h 10m

1 stop

ORD13:45Chicago O'Hare Intl

€376

Find similar

SWISS

14 Apr

ORD14:20Chicago O'Hare Intl

15h 50m

1 stop

DUB12:10Dublin

24 Apr

DUB08:45Dublin

13h 10m

1 stop

ORD15:55Chicago O'Hare Intl

€393

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momondo Fare Finder

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

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Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 26/1

10:29-18:20

2 stops25h 51m

Dublin

Fri 30/1

11:30-16:45

2 stops35h 15m

€362

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 19/2

07:00-11:45

2 stops22h 45m

Dublin

Sun 1/3

10:10-16:45

1 stop12h 35m

€363

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 12/2

19:20-08:55

2 stops31h 35m

Dublin

Sun 22/2

19:05-16:45

1 stop27h 40m

€363

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 28/2

19:20-18:20

1 stop17h 00m

Dublin

Sat 7/3

10:10-16:45

1 stop12h 35m

€364

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 2/3

18:25-11:45

2 stops35h 20m

Dublin

Sun 8/3

10:10-17:45

1 stop12h 35m

€365

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 13/2

19:20-09:25

1 stop32h 05m

Dublin

Sat 21/2

10:10-16:45

1 stop12h 35m

€366

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 21/1

18:25-11:45

2 stops35h 20m

Dublin

Fri 30/1

12:30-16:45

1 stop34h 15m

€367

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 18/1

16:10-12:30

1 stop14h 20m

Dublin

Wed 28/1

12:50-12:45

1 stop29h 55m

€368

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/3

18:30-10:15

1 stop9h 45m

Dublin

Tue 10/3

11:30-18:20

1 stop11h 50m

€369

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 7/1

18:30-10:15

1 stop9h 45m

Dublin

Wed 14/1

11:30-17:20

1 stop11h 50m

€369

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Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Delays

Other information

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of January, then book flights to Dublin from Chicago O'Hare Intl Airport during February instead. Flights to Dublin in February, while not as cheap as those in January, still average around €474.

What is the cheapest day to depart on your flight to Dublin?

Our data shows that Thursday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €557. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €745. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

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

Our data shows that the cheapest Chicago O'Hare Intl Airport to Dublin flights are usually those with departure times in the evening. Our users have found flights to Dublin in the evening for as low as €628. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €782 on average. Flights to Dublin from Chicago O'Hare Intl Airport at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

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

You are more likely to see cheaper flights to Dublin from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €600 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Chicago O'Hare Intl Airport for as low as €572 on momondo.

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

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

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

How have Chicago O'Hare Intl Airport to Dublin flight prices changed over time?

As of December 2025, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 22% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Dublin according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Chicago O'Hare Intl Airport to Dublin (ORD to DUB) flight deals and tips

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

Best price found	€634
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Dublin	1 airport

The best flight deal from Chicago O'Hare Intl Airport to Dublin found on momondo in the last 72 hours is €634

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

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

There is 1 airport near Dublin: Dublin (DUB)

Search flight deals

How far is Chicago O'Hare Intl to Dublin by plane?
There are 5895.0 km between Chicago O'Hare Intl and Dublin. A reasonable flight in good conditions will take 7h 30m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Dublin Airport?
Prices for flights from Chicago O'Hare Intl Airport to Dublin Airport are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Dublin Airport?
There are 2 operators available for flights from Chicago O'Hare Intl Airport to Dublin Airport as of December 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Dublin Airport?
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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The travel and health documents required for your trip to Dublin Airport 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 Dublin Airport. 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 O'Hare Intl Airport to Dublin?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Dublin is Airbus A330-300 (25.39% of total bookings). The next most popular plane models are Boeing 767-300 (19.88%), Boeing 787 Dreamliner (14.04%), and Boeing 787-8 Dreamliner (14.03%).
What is the most popular airline from Chicago O'Hare Intl Airport to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Dublin is Aer Lingus (56% of total bookings). The next most popular airline is United Airlines (44%).

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

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

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom €308	Free Cancellation	Rating 7.2 1,389 reviews		Search Aer Lingus flights
United Airlines	PriceFrom €492	Free Cancellation	Rating 7.4 9,090 reviews		Search United Airlines flights

United Airlines Flights From Chicago O'Hare Intl Airport to Dublin
United Airlines is one of the most popular airlines flying from Chicago O'Hare Intl Airport to Dublin, operating 3 flights/week on average for this route. A good United Airlines flight deal for Chicago O'Hare Intl Airport to Dublin starts from €492 round-trip, up to an average price of €628. Our users have rated United Airlines at 7.4/10.
Aer Lingus Flights From Chicago O'Hare Intl Airport to Dublin
Across 1,389 Aer Lingus reviews on momondo, the average score is 7.2/10. Aer Lingus flies from Chicago O'Hare Intl Airport to Dublin about 9 times each week, with ticket deals ranging from €308 to €641. Price data is based on momondo searches in the last 72 hours.

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Why use momondo?

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

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 Dublin from Chicago.

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

Yes. momondo enables you to select and highlight flights to Dublin from Chicago with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Dublin.

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

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Chicago and alert you when they change.

An easier way to manage your Dublin 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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Cheap flights from Chicago O'Hare Intl Airport to Dublin from €208

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

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SWISS flights from Chicago O'Hare Intl Airport to Dublin

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

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 Dublin?

If you aren’t able to travel during the month of January, then book flights to Dublin from Chicago O'Hare Intl Airport during February instead. Flights to Dublin in February, while not as cheap as those in January, still average around €474.

What is the cheapest day to depart on your flight to Dublin?

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

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

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

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

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

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

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

How have Chicago O'Hare Intl Airport to Dublin flight prices changed over time?

As of December 2025, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 22% more expensive when compared to flights at the same time last year.

How often are flights from Chicago to Dublin delayed?

Historically, on average around 20% of flights between Chicago and Dublin 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 Dublin 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 Dublin flights?

According to our data, Aer Lingus 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 O'Hare Intl Airport to Dublin on average per day?

As of December 2025, there are 10 flights per day flying from Chicago O'Hare Intl Airport to Dublin. 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 Dublin on average per week?

The number of flights available between Chicago O'Hare Intl Airport and Dublin is 70 per week as of December 2025. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.

When to book flights from Chicago O'Hare Intl Airport to Dublin

Cheap Chicago O'Hare Intl Airport to Dublin (ORD to DUB) flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Dublin

How far is Chicago O'Hare Intl to Dublin by plane?

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

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

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

What documentation or ID do you need to fly to Dublin Airport?

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

What is the most popular airline from Chicago O'Hare Intl Airport to Dublin?

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

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

United Airlines Flights From Chicago O'Hare Intl Airport to Dublin

Aer Lingus Flights From Chicago O'Hare Intl Airport to Dublin

Travelling to a place near Dublin?

Why use momondo?

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

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

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

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

An easier way to manage your Dublin 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

Airports servicing Ireland