How often are flights from Chicago to Dublin delayed?

Historically, on average around 22% 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 153 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.

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 57 per week as of January 2026. The most frequent departure day is Wed, with 16% of weekly flights leaving on this day.

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

As of January 2026, there are 8 flights per day flying from Chicago O'Hare Intl Airport to Dublin. The most common time of day flights depart is 18:00, with 100% of flights taking off in the evening.

What day of the week experiences the fewest flight delays on this route?

Saturday 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, 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.

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 January 2026.

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.

€187 Cheap Flights from Chicago O'Hare Intl Airport to Dublin in 2026

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Round-trip

One-way

Last minute

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Cheap return flights

Enter your travel dates to find the best prices.

15:45 - 05:10

ORD

DUB

7h 25mdirect

13:20 - 19:33

DUB

ORD

12h 13m

1 stop

€360American Airlines

Wed, 1 Apr - Wed, 8 Apr

16:21 - 14:20

ORD

DUB

16h 59m

2 stops

19:00 - 18:07

DUB

ORD

29h 07m

2 stops

€360British Airways

Tue, 24 Mar - Tue, 31 Mar

21:00 - 10:35

ORD

DUB

7h 35mdirect

11:35 - 14:00

DUB

ORD

8h 25mdirect

€361Aer Lingus

Wed, 8 Apr - Wed, 15 Apr

20:15 - 09:45

ORD

DUB

7h 30mdirect

11:35 - 13:40

DUB

ORD

8h 05mdirect

€362United Airlines

Tue, 7 Apr - Tue, 14 Apr

11:45 - 05:05

ORD

DUB

12h 20m

1 stop

13:20 - 19:33

DUB

ORD

12h 13m

1 stop

€363American Airlines

Wed, 25 Mar - Tue, 7 Apr

19:20 - 18:20

ORD

DUB

17h 00m

1 stop

19:05 - 16:45

DUB

ORD

27h 40m

1 stop

€364Scandinavian Airlines

Thu, 19 Feb - Sun, 1 Mar

11:21 - 09:00

ORD

DUB

15h 39m

2 stops

12:30 - 11:55

DUB

ORD

29h 25m

2 stops

€365British Airways

Wed, 22 Apr - Thu, 30 Apr

19:15 - 11:50

ORD

DUB

34h 35m

1 stop

11:40 - 16:10

DUB

ORD

58h 30m

2 stops

€365Scandinavian Airlines

Sat, 18 Apr - Wed, 22 Apr

11:15 - 07:20

ORD

DUB

14h 05m

1 stop

11:35 - 13:40

DUB

ORD

8h 05mdirect

€366United Airlines

Wed, 1 Apr - Thu, 30 Apr

19:15 - 10:55

ORD

DUB

33h 40m

2 stops

19:50 - 16:10

DUB

ORD

50h 20m

2 stops

€367Scandinavian Airlines

Sat, 18 Apr - Mon, 27 Apr

Aer Lingus flights from Chicago O'Hare Intl Airport to Dublin

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

Aer Lingus

8 Apr

ORD21:00Chicago O'Hare Intl

7h 35m

DUB10:35Dublin

15 Apr

DUB11:35Dublin

8h 25m

ORD14:00Chicago O'Hare Intl

€361

Aer Lingus

30 Jan

ORD21:00Chicago O'Hare Intl

7h 20m

DUB10:20Dublin

6 Feb

DUB16:40Dublin

8h 35m

ORD19:15Chicago O'Hare Intl

€397

Aer Lingus

19 Apr

ORD15:45Chicago O'Hare Intl

7h 25m

DUB05:10Dublin

26 Apr

DUB16:45Dublin

8h 30m

ORD19:15Chicago O'Hare Intl

€400

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

19 Feb

ORD19:20Chicago O'Hare Intl

17h 00m

1 stop

DUB18:20Dublin

1 Mar

DUB19:05Dublin

27h 40m

1 stop

ORD16:45Chicago O'Hare Intl

€364

Scandinavian Airlines

18 Apr

ORD19:15Chicago O'Hare Intl

34h 35m

1 stop

DUB11:50Dublin

22 Apr

DUB11:40Dublin

58h 30m

2 stops

ORD16:10Chicago O'Hare Intl

€365

Scandinavian Airlines

18 Apr

ORD19:15Chicago O'Hare Intl

33h 40m

2 stops

DUB10:55Dublin

27 Apr

DUB19:50Dublin

50h 20m

2 stops

ORD16:10Chicago O'Hare Intl

€367

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.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 1/4

15:45-05:10

Nonstop7h 25m

Dublin

Wed 8/4

13:20-19:33

1 stop12h 13m

€360

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 24/3

16:21-14:20

2 stops16h 59m

Dublin

Tue 31/3

19:00-18:07

2 stops29h 07m

€360

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/4

21:00-10:35

Nonstop7h 35m

Dublin

Wed 15/4

11:35-14:00

Nonstop8h 25m

€361

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 7/4

20:15-09:45

Nonstop7h 30m

Dublin

Tue 14/4

11:35-13:40

Nonstop8h 05m

€362

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 25/3

11:45-05:05

1 stop12h 20m

Dublin

Tue 7/4

13:20-19:33

1 stop12h 13m

€363

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 19/2

19:20-18:20

1 stop17h 00m

Dublin

Sun 1/3

19:05-16:45

1 stop27h 40m

€364

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 22/4

11:21-09:00

2 stops15h 39m

Dublin

Thu 30/4

12:30-11:55

2 stops29h 25m

€365

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 18/4

19:15-11:50

1 stop34h 35m

Dublin

Wed 22/4

11:40-16:10

2 stops58h 30m

€365

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 1/4

11:15-07:20

1 stop14h 05m

Dublin

Thu 30/4

11:35-13:40

Nonstop8h 05m

€366

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 18/4

19:15-10:55

2 stops33h 40m

Dublin

Mon 27/4

19:50-16:10

2 stops50h 20m

€367

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 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 €447.

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 €545. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €741. 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 €624. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €645 on average. Flights to Dublin from Chicago O'Hare Intl Airport in the afternoon 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 €584 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 €551 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 January 2026, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 40% 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	€362
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 €362

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 in Dublin. From Chicago O'Hare Intl Airport there are direct flights to 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 20m.
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 January 2026.
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 (26.52% of total bookings). The next most popular plane models are Boeing 767-300 (18.09%), Boeing 787 Dreamliner (17.42%), and Boeing 787-8 Dreamliner (15.23%).
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 (54% of total bookings). The next most popular airline is United Airlines (46%).

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 €302	Free Cancellation	Rating 7.2 1,441 reviews		Search Aer Lingus flights
United Airlines	PriceFrom €447	Free Cancellation	Rating 7.4 9,193 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 5 flights/week on average for this route. A good United Airlines flight deal for Chicago O'Hare Intl Airport to Dublin starts from €447 round-trip, up to an average price of €624. Our users have rated United Airlines at 7.4/10.
Aer Lingus Flights From Chicago O'Hare Intl Airport to Dublin
Across 1,441 Aer Lingus reviews on momondo, the average score is 7.2/10. Aer Lingus flies from Chicago O'Hare Intl Airport to Dublin about 6 times each week, with ticket deals ranging from €302 to €545. Price data is based on momondo searches in the last 72 hours.

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Gorey

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Maynooth

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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 €187

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

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Aer Lingus flights from Chicago O'Hare Intl Airport to Dublin

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

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

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.

See travel insights to Dublin from

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

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 €447.

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 January 2026, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 40% 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 22% 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 153 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?

Saturday 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, 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 O'Hare Intl Airport to Dublin on average per day?

As of January 2026, there are 8 flights per day flying from Chicago O'Hare Intl Airport to Dublin. The most common time of day flights depart is 18:00, with 100% 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 57 per week as of January 2026. The most frequent departure day is Wed, with 16% 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