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 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 many flights depart from Chicago to Dublin on average per week?

As of December 2025, 80 flights take off from Chicago and land in Dublin each week. The most common flight departure day for this route is Thu, with 16% of weekly flights taking off on this day.

What is the cheapest airline that flies from Chicago to Dublin?

Delta is the most popular carrier operating from Chicago to Dublin

Which layover airport offers the lowest fares from Chicago to Dublin?

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

How many flights depart from Chicago to Dublin on average per day?

As of December 2025, 11 flights take off from Chicago and land in Dublin each day. The most common flight departure time for this route is 6:00PM, with 65% of daily flights taking off in the evening.

Which airport is the most popular layover for flights between Chicago and Dublin?

Reykjavik (KEF) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

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 layover airport has the shortest connection time from Chicago to Dublin?

Newark (EWR) has the shortest average layover time for this route: 1h 14m.

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

According to our data, Aer Lingus 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 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 in the evening have, in the past, seen delays more frequently in comparison.

Which layover airport has the shortest travel time from Chicago to Dublin?

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

When did momondo last update prices for flights from Chicago to Dublin Airport?

Prices for flights from Chicago to Dublin Airport refresh daily.

How many operators does momondo search for flights from Chicago to Dublin Airport?

There are 16 operators available for flights from Chicago to Dublin Airport as of December 2025.

How old do you have to be to fly from Chicago 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 to Dublin Airport.

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

The travel and health documents you'll need for your trip to Dublin Airport 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 Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$233 Cheap Flights from Chicago to Dublin in 2025/26

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7:20 pm - 10:45 am

ORD

DUB

33h 25m2 stops

10:10 am - 4:55 pm

DUB

ORD

12h 45m1 stop

$423Scandinavian Airlines

Sat, Jan 31 - Sun, Feb 8

7:10 pm - 11:45 am

ORD

DUB

34h 35m1 stop

10:10 am - 4:45 pm

DUB

ORD

12h 35m1 stop

$426Scandinavian Airlines

Sun, Jan 11 - Sat, Jan 17

6:25 pm - 9:25 am

ORD

DUB

33h 00m2 stops

12:30 pm - 4:45 pm

DUB

ORD

34h 15m1 stop

$427Scandinavian Airlines

Fri, Jan 30 - Fri, Feb 6

6:30 pm - 10:15 am

ORD

DUB

9h 45m1 stop

11:30 am - 5:20 pm

DUB

ORD

11h 50m1 stop

$429Icelandair

Sat, Jan 10 - Thu, Jan 15

6:30 pm - 10:15 am

ORD

DUB

9h 45m1 stop

11:30 am - 5:20 pm

DUB

ORD

11h 50m1 stop

$437Icelandair

Wed, Jan 14 - Sat, Jan 31

6:35 pm - 3:45 pm

MDW

DUB

15h 10m2 stops

8:50 am - 5:55 pm

DUB

MDW

15h 05m2 stops

$478Multiple Airlines

Tue, Jan 20 - Tue, Jan 27

1:31 pm - 8:05 am

MDW

DUB

12h 34m2 stops

8:50 am - 5:55 pm

DUB

MDW

15h 05m2 stops

$482KLM

Tue, Jan 20 - Tue, Jan 27

12:46 pm - 7:45 am

MDW

DUB

12h 59m1 stop

5:55 am - 5:37 pm

DUB

MDW

17h 42m2 stops

$483Delta

Mon, Feb 23 - Fri, Mar 6

10:53 am - 7:45 am

MDW

DUB

14h 52m1 stop

9:45 am - 6:37 pm

DUB

MDW

14h 52m1 stop

$485KLM

Mon, Feb 23 - Fri, Mar 6

2:03 pm - 7:55 am

MDW

DUB

11h 52m1 stop

8:55 am - 6:05 pm

DUB

MDW

15h 10m2 stops

$486Delta

Wed, Apr 8 - Wed, Apr 15

Icelandair flights from Chicago to Dublin

Our best Icelandair deals on Chicago to Dublin flight tickets

Icelandair

Jan 10

ORD6:30 pmChicago O'Hare Intl

9h 45m

1 stop

DUB10:15 amDublin

Jan 15

DUB11:30 amDublin

11h 50m

1 stop

ORD5:20 pmChicago O'Hare Intl

$429

Find similar

Icelandair

Jan 14

ORD6:30 pmChicago O'Hare Intl

9h 45m

1 stop

DUB10:15 amDublin

Jan 31

DUB11:30 amDublin

11h 50m

1 stop

ORD5:20 pmChicago O'Hare Intl

$437

Find similar

Icelandair

Jan 7

ORD6:30 pmChicago O'Hare Intl

9h 45m

1 stop

DUB10:15 amDublin

Apr 29

DUB12:15 pmDublin

12h 00m

1 stop

ORD6:15 pmChicago O'Hare Intl

$444

Find similar

British Airways flights from Chicago to Dublin

Our best British Airways deals on Chicago to Dublin flight tickets

British Airways

Jan 20

ORD9:45 pmChicago O'Hare Intl

10h 35m

1 stop

DUB2:20 pmDublin

Jan 28

DUB8:50 amDublin

15h 55m

1 stop

ORD6:45 pmChicago O'Hare Intl

$445

Find similar

British Airways

Jan 14

ORD4:14 pmChicago O'Hare Intl

15h 51m

2 stops

DUB2:05 pmDublin

Jan 20

DUB8:40 pmDublin

29h 24m

2 stops

ORD8:04 pmChicago O'Hare Intl

$464

Find similar

British Airways

Dec 14

ORD6:35 pmChicago O'Hare Intl

11h 40m

1 stop

DUB12:15 pmDublin

Dec 22

DUB8:40 pmDublin

28h 43m

2 stops

ORD7:23 pmChicago O'Hare Intl

$843

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 1/31

7:20 pm-10:45 am

2 stops33h 25m

Dublin

Sun 2/8

10:10 am-4:55 pm

1 stop12h 45m

$423

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 1/11

7:10 pm-11:45 am

1 stop34h 35m

Dublin

Sat 1/17

10:10 am-4:45 pm

1 stop12h 35m

$426

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 1/30

6:25 pm-9:25 am

2 stops33h 00m

Dublin

Fri 2/6

12:30 pm-4:45 pm

1 stop34h 15m

$427

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 1/10

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Thu 1/15

11:30 am-5:20 pm

1 stop11h 50m

$429

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 1/14

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Sat 1/31

11:30 am-5:20 pm

1 stop11h 50m

$437

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 1/20

6:35 pm-3:45 pm

2 stops15h 10m

Dublin

Tue 1/27

8:50 am-5:55 pm

2 stops15h 05m

$478

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 1/20

1:31 pm-8:05 am

2 stops12h 34m

Dublin

Tue 1/27

8:50 am-5:55 pm

2 stops15h 05m

$482

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Mon 2/23

12:46 pm-7:45 am

1 stop12h 59m

Dublin

Fri 3/6

5:55 am-5:37 pm

2 stops17h 42m

$483

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Mon 2/23

10:53 am-7:45 am

1 stop14h 52m

Dublin

Fri 3/6

9:45 am-6:37 pm

1 stop14h 52m

$485

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Wed 4/8

2:03 pm-7:55 am

1 stop11h 52m

Dublin

Wed 4/15

8:55 am-6:05 pm

2 stops15h 10m

$486

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How to get the cheapest flight ticket from Chicago 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, February is the cheapest month to fly from Chicago to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $560. If you’re not able to fly to Dublin in February, then January is your next best option. Flight prices from Chicago to Dublin during January average around $564.

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

The cheapest day to depart from Chicago 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 to Dublin on a Friday will generally be more expensive and average around $844. 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 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 $808.

What is the cheapest Chicago to Dublin flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Chicago - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $698 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Chicago for as low as $666 on momondo.

What cabin class options are available on Chicago to Dublin flights?

There are 3 cabin classes available to choose from on Chicago 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 to Dublin flights?

No. A direct flight is the cheapest option for a flight between Chicago to Dublin.

How have Chicago to Dublin flight prices changed over time?

As of December 2025, prices for Chicago to Dublin flights are approximately 20% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Dublin

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

Estimated round-trip price

Cheap Chicago to Dublin (CHI to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Dublin

Best Price Found	$393
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Dublin	1 airport

The best one-way flight to Dublin from Chicago in the past 72 hours is $393. The best round-trip flight deal from Chicago to Dublin found on momondo in the last 72 hours is $597.

The fastest flight from Chicago to Dublin takes 7h 20m

Direct flights go from Chicago to Dublin every day.

There is 1 airport near Dublin: Dublin (DUB)

Search flight deals

How far is Chicago to Dublin by plane?
There are 3657.3 mi between Chicago and Dublin. A reasonable flight in good conditions will take 7h 30m.
When did momondo last update prices for flights from Chicago to Dublin Airport?
Prices for flights from Chicago to Dublin Airport refresh daily.
How many operators does momondo search for flights from Chicago to Dublin Airport?
There are 16 operators available for flights from Chicago to Dublin Airport as of December 2025.
How old do you have to be to fly from Chicago 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 to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The travel and health documents you'll need for your trip to Dublin Airport 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 Dublin Airport. 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 to Dublin?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago 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 to Dublin?
Based on momondo bookings for flights between Chicago and Dublin, the leading airline is Aer Lingus, making up 52% of the total bookings. Other popular airlines include United Airlines with 24%, American Airlines with 6%, and Icelandair with 4%.

Best airlines flying from Chicago to Dublin

Compare and see reviews for airlines that fly from Chicago to Dublin with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Icelandair	PriceFrom $346	Free Cancellation	Rating 7.0 586 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $393	Free Cancellation	Rating 7.1 2,085 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.4 1,597 reviews	Search Scandinavian Airlines flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.5 1,807 reviews	Search SWISS flights
Aer Lingus	PriceFrom $478	Free Cancellation	Rating 7.2 1,389 reviews	Search Aer Lingus flights
Lufthansa	PriceFrom $488	Free Cancellation	Rating 6.8 7,617 reviews	Search Lufthansa flights
British Airways	PriceFrom $512	Free Cancellation	Rating 6.7 7,564 reviews	Search British Airways flights
United Airlines	PriceFrom $518	Free Cancellation	Rating 7.4 9,078 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $522	Free Cancellation	Rating 7.2 375 reviews	Search Brussels Airlines flights

SWISS Flights From Chicago to Dublin
The lowest priced SWISS flight from Chicago to Dublin from the last 72 hours was $473. Generally, SWISS has 3 flights on this route every week with an average price of $818. SWISS is rated 7.5/10 by our users.
United Airlines Flights From Chicago to Dublin
$518 is the best United Airlines flight deal from Chicago to Dublin found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $777, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,078 user reviews) flies into Dublin from Chicago 7 times in an average week so prices can vary.

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Why use momondo?

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

It is quick and easy to find Chicago to Dublin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dublin that suits you.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dublin from Chicago.

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

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Cheap flights from Chicago to Dublin from $225

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Dublin departing on 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Chicago 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?

At noon is the cheapest time of day to fly from Chicago 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 $808.

What is the cheapest Chicago to Dublin flight route?

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

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

What cabin class options are available on Chicago to Dublin flights?

There are 3 cabin classes available to choose from on Chicago 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 to Dublin flights?

No. A direct flight is the cheapest option for a flight between Chicago to Dublin.

How have Chicago to Dublin flight prices changed over time?

As of December 2025, prices for Chicago to Dublin flights are approximately 20% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Chicago to Dublin?

Delta is the most popular carrier operating from Chicago 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 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 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 Dublin flights?

According to our data, Aer Lingus 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 and Dublin?

Reykjavik (KEF) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago 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 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 to Dublin?

Newark (EWR) has the shortest average layover time for this route: 1h 14m.

How many flights depart from Chicago to Dublin on average per day?

As of December 2025, 11 flights take off from Chicago and land in Dublin each day. The most common flight departure time for this route is 6:00PM, with 65% of daily flights taking off in the evening.

How many flights depart from Chicago to Dublin on average per week?

As of December 2025, 80 flights take off from Chicago and land in Dublin each week. The most common flight departure day for this route is Thu, with 16% of weekly flights taking off on this day.

When to book flights from Chicago to Dublin

Cheap Chicago to Dublin (CHI to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Dublin

Best Price Found

Fastest flight time

Direct flights

Airports in Dublin

How far is Chicago to Dublin by plane?

When did momondo last update prices for flights from Chicago to Dublin Airport?

How many operators does momondo search for flights from Chicago to Dublin Airport?

How old do you have to be to fly from Chicago to Dublin Airport?

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

What is the most popular plane model from Chicago to Dublin?

What is the most popular airline from Chicago to Dublin?

Best airlines flying from Chicago to Dublin

Compare and see reviews for airlines that fly from Chicago to Dublin with momondo

SWISS Flights From Chicago to Dublin

United Airlines Flights From Chicago to Dublin

Traveling to a place near Dublin?

Why use momondo?