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

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

According to our data, American Airlines 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 airlines fly to Dublin?

Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to Dublin from Chicago O'Hare Intl Airport according to our data. Aer Lingus is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 16 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

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 158 minutes.

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

JetBlue, Scandinavian Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from Chicago O'Hare Intl to Dublin

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Dublin?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 9h 20m.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Dublin?

Philadelphia (PHL) has the shortest average layover time for this route: 1h 23m.

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Dublin?

Reykjavik (KEF) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Dublin?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $428.

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. Friday has historically seen more delays on average compared to the rest of the week.

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 were last updated today.

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

There are 16 operators available for flights from Chicago O'Hare Intl Airport to Dublin Airport as of October 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers 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 Dublin Airport.

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

The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$193 Cheap Flights from Chicago O'Hare Intl Airport to Dublin in 2025/26

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

The number of flights available between Chicago O'Hare Intl Airport and Dublin is 8 per day as of October 2025. The most frequent departure time is 4:00PM, with 64% of daily flights leaving in the evening.

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

As of October 2025, 60 flights take off from Chicago O'Hare Intl Airport and land in Dublin each week. The most common flight departure day for this route is Thu, with 27% of weekly flights taking off on this day.

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6:35 pm - 8:10 amORD-DUB

7h 35mnonstop

10:40 am - 1:30 pmDUB-ORD

8h 50mnonstop

$469United Airlines

Find Deal

Tue, Nov 11 - Tue, Nov 18

8:15 pm - 7:10 amORD-DUB

28h 55m1 stop

9:00 am - 4:52 pmDUB-ORD

13h 52m1 stop

$470United Airlines

Find Deal

Sat, Nov 22 - Fri, Dec 5

5:00 pm - 9:45 amORD-DUB

10h 45m1 stop

8:55 pm - 1:50 pmDUB-ORD

22h 55m1 stop

$471British Airways

Find Deal

Wed, Apr 8 - Mon, Apr 27

4:15 pm - 10:20 amORD-DUB

12h 05m1 stop

9:50 am - 7:25 pmDUB-ORD

15h 35m1 stop

$472United Airlines

Find Deal

Wed, Apr 1 - Fri, Apr 10

5:25 pm - 9:55 amORD-DUB

10h 30m1 stop

10:40 am - 1:30 pmDUB-ORD

8h 50mnonstop

$473United Airlines

Find Deal

Sun, Dec 7 - Thu, Dec 18

7:20 pm - 9:25 amORD-DUB

32h 05m1 stop

10:10 am - 4:45 pmDUB-ORD

12h 35m1 stop

$494Scandinavian Airlines

Find Deal

Fri, Nov 14 - Sat, Nov 22

7:20 pm - 9:25 amORD-DUB

32h 05m1 stop

10:10 am - 4:45 pmDUB-ORD

12h 35m1 stop

$496Scandinavian Airlines

Find Deal

Fri, Nov 14 - Sun, Nov 23

6:30 pm - 10:15 amORD-DUB

9h 45m1 stop

11:30 am - 5:20 pmDUB-ORD

11h 50m1 stop

$508Icelandair

Find Deal

Mon, Nov 10 - Fri, Nov 14

9:45 pm - 3:05 pmORD-DUB

11h 20m1 stop

8:40 pm - 1:50 pmDUB-ORD

23h 10m1 stop

$509British Airways

Find Deal

Fri, Nov 14 - Mon, Nov 17

3:50 pm - 5:10 amORD-DUB

7h 20mnonstop

11:30 am - 2:00 pmDUB-ORD

8h 30mnonstop

$515Aer Lingus

Find Deal

Mon, Dec 15 - Mon, Dec 22

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

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

United Airlines

Nov 11

ORD6:35 pmChicago O'Hare Intl

7h 35m

DUB8:10 amDublin

Nov 18

DUB10:40 amDublin

8h 50m

ORD1:30 pmChicago O'Hare Intl

$469

Find similar

United Airlines

Nov 9

ORD11:15 amChicago O'Hare Intl

17h 05m

1 stop

DUB10:20 amDublin

Nov 18

DUB10:40 amDublin

8h 50m

ORD1:30 pmChicago O'Hare Intl

$470

Find similar

United Airlines

Apr 1

ORD4:15 pmChicago O'Hare Intl

12h 05m

1 stop

DUB10:20 amDublin

Apr 10

DUB9:50 amDublin

15h 35m

1 stop

ORD7:25 pmChicago O'Hare Intl

$472

Find similar

British Airways flights from Chicago O'Hare Intl Airport to Dublin

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

British Airways

Apr 8

ORD5:00 pmChicago O'Hare Intl

10h 45m

1 stop

DUB9:45 amDublin

Apr 27

DUB8:55 pmDublin

22h 55m

1 stop

ORD1:50 pmChicago O'Hare Intl

$471

Find similar

British Airways

Nov 14

ORD9:45 pmChicago O'Hare Intl

11h 20m

1 stop

DUB3:05 pmDublin

Nov 17

DUB8:40 pmDublin

23h 10m

1 stop

ORD1:50 pmChicago O'Hare Intl

$509

Find similar

British Airways

Nov 14

ORD9:45 pmChicago O'Hare Intl

11h 20m

1 stop

DUB3:05 pmDublin

Nov 17

DUB8:40 pmDublin

23h 10m

1 stop

ORD1:50 pmChicago O'Hare Intl

$510

Find similar

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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Depart

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Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 11/11

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

Tue 11/18

10:40 am-1:30 pm

Nonstop8h 50m

$469

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 11/22

8:15 pm-7:10 am

1 stop28h 55m

Dublin

Fri 12/5

9:00 am-4:52 pm

1 stop13h 52m

$470

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/8

5:00 pm-9:45 am

1 stop10h 45m

Dublin

Mon 4/27

8:55 pm-1:50 pm

1 stop22h 55m

$471

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/1

4:15 pm-10:20 am

1 stop12h 05m

Dublin

Fri 4/10

9:50 am-7:25 pm

1 stop15h 35m

$472

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 12/7

5:25 pm-9:55 am

1 stop10h 30m

Dublin

Thu 12/18

10:40 am-1:30 pm

Nonstop8h 50m

$473

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 11/14

7:20 pm-9:25 am

1 stop32h 05m

Dublin

Sat 11/22

10:10 am-4:45 pm

1 stop12h 35m

$494

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 11/14

7:20 pm-9:25 am

1 stop32h 05m

Dublin

Sun 11/23

10:10 am-4:45 pm

1 stop12h 35m

$496

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 11/10

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Fri 11/14

11:30 am-5:20 pm

1 stop11h 50m

$508

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 11/14

9:45 pm-3:05 pm

1 stop11h 20m

Dublin

Mon 11/17

8:40 pm-1:50 pm

1 stop23h 10m

$509

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 12/15

3:50 pm-5:10 am

Nonstop7h 20m

Dublin

Mon 12/22

11:30 am-2:00 pm

Nonstop8h 30m

$515

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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

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to Dublin?

In general, January is the cheapest month to fly from Chicago O'Hare Intl Airport to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $539. If you’re not able to fly to Dublin in January, then February is your next best option. Flight prices from Chicago O'Hare Intl Airport to Dublin during February average around $562.

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

The cheapest day to depart from Chicago O'Hare Intl Airport to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $759. Flights from Chicago O'Hare Intl Airport to Dublin on a Friday will generally be more expensive and average around $841. 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 Dublin?

At noon is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Dublin when you can find flight prices for as low as $735. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $806.

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 $703 when searching weeks out. 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 $633 on momondo.

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

There are 3 cabin classes 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.

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

As of October 2025, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 87% 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 round-trip 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	$444
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Dublin	1 airport

The best one-way flight to Dublin from Chicago O'Hare Intl Airport in the past 72 hours is $444. The best round-trip flight deal from Chicago O'Hare Intl Airport to Dublin found on momondo in the last 72 hours is $588.

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 3663.0 mi between Chicago O'Hare Intl and Dublin. By plane, this route typically takes 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 were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Dublin Airport?
There are 16 operators available for flights from Chicago O'Hare Intl Airport to Dublin Airport as of October 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers 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 Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Dublin?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Dublin, the leading plane model is Boeing 787-8 Dreamliner, making up 23.52% of the total bookings. Other popular models include Boeing 787 Dreamliner with 17.92%, Boeing 767-300 with 16.48%, and Airbus A330-300 with 13.30%.
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 (53% of total bookings). The next most popular airlines are United Airlines (23%), American Airlines (8%), and Icelandair (5%).

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
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,906 reviews	Search JetBlue flights
Icelandair	PriceFrom $349	Free Cancellation	Rating 7.1 562 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $393	Free Cancellation	Rating 7.1 2,041 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.4 1,550 reviews	Search Scandinavian Airlines flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.5 1,777 reviews	Search SWISS flights
Lufthansa	PriceFrom $476	Free Cancellation	Rating 6.8 7,543 reviews	Search Lufthansa flights
Aer Lingus	PriceFrom $497	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus flights
British Airways	PriceFrom $512	Free Cancellation	Rating 6.7 7,489 reviews	Search British Airways flights
Air Canada	PriceFrom $523	Free Cancellation	Rating 7.1 10,385 reviews	Search Air Canada flights
Turkish Airlines	PriceFrom $528	Free Cancellation	Rating 7.3 4,033 reviews	Search Turkish Airlines flights

United Airlines Flights From Chicago O'Hare Intl Airport to Dublin
United Airlines flight deals from Chicago O'Hare Intl Airport to Dublin start from $528 round-trip. Over the 3 United Airlines flights for this route in a normal week, average airfare is usually $782 round-trip - but some users have found much cheaper deals with momondo.
Aer Lingus Flights From Chicago O'Hare Intl Airport to Dublin
Aer Lingus (7.2/10 from 1,365 reviews) operates around 11 flights from Chicago O'Hare Intl Airport to Dublin in any given week. The average Aer Lingus airfare for this route is around $720, with deals from around $497 rare but found on momondo. Referenced prices are for round-trip Chicago O'Hare Intl Airport to Dublin flight searches in the last 72 hours.

Kilkenny

Athlone

Swords

Dundalk

Malahide

Maynooth

Bray

Mullingar

Naas

Arklow

Castleknock

Cavan

Drogheda

Wicklow

Leixlip

Kildare

Thurles

Slane

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?

All flight searches from Chicago to Dublin on momondo can be filtered to show those which offer flexible booking policies.

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?

Yes. momondo can track prices for Chicago to Dublin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Chicago O'Hare Intl Airport to Dublin from $193

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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?

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 are 3 cabin classes 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.

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

As of October 2025, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 87% more expensive when compared to flights at the same time last year.

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

JetBlue, Scandinavian Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from Chicago O'Hare Intl to Dublin

What airlines fly to Dublin?

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 158 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 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. Friday 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, American Airlines 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.

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Dublin?

Reykjavik (KEF) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Dublin?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $428.

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Dublin?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 9h 20m.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Dublin?

Philadelphia (PHL) has the shortest average layover time for this route: 1h 23m.

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

The number of flights available between Chicago O'Hare Intl Airport and Dublin is 8 per day as of October 2025. The most frequent departure time is 4:00PM, with 64% of daily flights leaving in the evening.

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

As of October 2025, 60 flights take off from Chicago O'Hare Intl Airport and land in Dublin each week. The most common flight departure day for this route is Thu, with 27% of weekly flights taking off 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

Traveling 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?