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 61% 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 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.

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

Reykjavik (KEF) was the most common stop: 44% 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 airline has the best punctuality record on Chicago to Dublin 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.

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

Aer Lingus is the most popular carrier operating from Chicago to Dublin

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

Saturday 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?

Hartford (BDL) has the shortest average layover time for this route: 1h 21m.

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.

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

As of January 2026, 57 flights take off from Chicago and land in Dublin each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

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

Flights connecting via Hartford (BDL) have the shortest average one-way travel time: 9h 43m.

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

As of January 2026, 8 flights take off from Chicago and land in Dublin each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

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 January 2026.

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.

$225 Cheap Flights from Chicago to Dublin in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Chicago to Dublin

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:21 pm - 2:20 pm

ORD

DUB

16h 59m

2 stops

7:00 pm - 6:07 pm

DUB

ORD

29h 07m

2 stops

$422British Airways

Tue, Mar 24 - Tue, Mar 31

7:20 pm - 6:20 pm

ORD

DUB

17h 00m

1 stop

7:05 pm - 4:45 pm

DUB

ORD

27h 40m

1 stop

$423Scandinavian Airlines

Thu, Feb 19 - Sun, Feb 22

5:00 pm - 10:15 am

ORD

DUB

11h 15m

1 stop

9:40 am - 3:55 pm

DUB

ORD

12h 15m

1 stop

$424British Airways

Wed, Apr 22 - Wed, Apr 29

2:10 pm - 4:55 am

ORD

DUB

9h 45m

1 stop

1:20 pm - 7:33 pm

DUB

ORD

12h 13m

1 stop

$425American Airlines

Wed, Mar 25 - Tue, Apr 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

$426Scandinavian Airlines

Thu, Feb 19 - Sun, Feb 22

8:25 pm - 4:10 pm

ORD

DUB

13h 45m

1 stop

4:55 pm - 2:45 pm

DUB

ORD

27h 50m

1 stop

$431TAP AIR PORTUGAL

Sun, Mar 1 - Sat, Mar 7

2:12 pm - 7:55 am

MDW

DUB

11h 43m

1 stop

10:00 am - 6:45 pm

DUB

MDW

14h 45m

1 stop

$482KLM

Mon, Apr 20 - Wed, Apr 29

9:30 am - 7:45 am

MDW

DUB

17h 15m

1 stop

8:50 am - 10:31 pm

DUB

MDW

18h 41m

2 stops

$483Delta

Tue, Mar 10 - Tue, Mar 17

2:05 pm - 7:45 am

MDW

DUB

12h 40m

1 stop

9:45 am - 10:31 pm

DUB

MDW

17h 46m

1 stop

$485KLM

Tue, Mar 10 - Tue, Mar 17

9:30 am - 7:55 am

MDW

DUB

16h 25m

1 stop

5:55 am - 5:54 pm

DUB

MDW

17h 59m

2 stops

$486Delta

Tue, Apr 7 - Tue, Apr 14

Delta flights from Chicago to Dublin

Our best Delta deals on Chicago to Dublin flight tickets

Delta

Mar 10

MDW9:30 amChicago Midway

17h 15m

1 stop

DUB7:45 amDublin

Mar 17

DUB8:50 amDublin

18h 41m

2 stops

MDW10:31 pmChicago Midway

$483

Delta

Apr 7

MDW9:30 amChicago Midway

16h 25m

1 stop

DUB7:55 amDublin

Apr 14

DUB5:55 amDublin

17h 59m

2 stops

MDW5:54 pmChicago Midway

$486

Delta

Apr 6

MDW9:30 amChicago Midway

16h 25m

1 stop

DUB7:55 amDublin

May 6

DUB8:55 amDublin

15h 50m

2 stops

MDW6:45 pmChicago Midway

$487

KLM flights from Chicago to Dublin

Our best KLM deals on Chicago to Dublin flight tickets

KLM

Apr 20

MDW2:12 pmChicago Midway

11h 43m

1 stop

DUB7:55 amDublin

Apr 29

DUB10:00 amDublin

14h 45m

1 stop

MDW6:45 pmChicago Midway

$482

KLM

Mar 10

MDW2:05 pmChicago Midway

12h 40m

1 stop

DUB7:45 amDublin

Mar 17

DUB9:45 amDublin

17h 46m

1 stop

MDW10:31 pmChicago Midway

$485

KLM

Apr 8

MDW2:05 pmChicago Midway

11h 50m

1 stop

DUB7:55 amDublin

May 5

DUB10:00 amDublin

14h 45m

1 stop

MDW6:45 pmChicago Midway

$490

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 3/24

4:21 pm-2:20 pm

2 stops16h 59m

Dublin

Tue 3/31

7:00 pm-6:07 pm

2 stops29h 07m

$422

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 2/19

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

Sun 2/22

7:05 pm-4:45 pm

1 stop27h 40m

$423

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/22

5:00 pm-10:15 am

1 stop11h 15m

Dublin

Wed 4/29

9:40 am-3:55 pm

1 stop12h 15m

$424

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 3/25

2:10 pm-4:55 am

1 stop9h 45m

Dublin

Tue 4/7

1:20 pm-7:33 pm

1 stop12h 13m

$425

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 2/19

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

Sun 2/22

7:05 pm-4:45 pm

1 stop27h 40m

$426

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/1

8:25 pm-4:10 pm

1 stop13h 45m

Dublin

Sat 3/7

4:55 pm-2:45 pm

1 stop27h 50m

$431

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Mon 4/20

2:12 pm-7:55 am

1 stop11h 43m

Dublin

Wed 4/29

10:00 am-6:45 pm

1 stop14h 45m

$482

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 3/10

9:30 am-7:45 am

1 stop17h 15m

Dublin

Tue 3/17

8:50 am-10:31 pm

2 stops18h 41m

$483

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 3/10

2:05 pm-7:45 am

1 stop12h 40m

Dublin

Tue 3/17

9:45 am-10:31 pm

1 stop17h 46m

$485

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 4/7

9:30 am-7:55 am

1 stop16h 25m

Dublin

Tue 4/14

5:55 am-5:54 pm

2 stops17h 59m

$486

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 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 $549. 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 $743. Flights from Chicago to Dublin on a Friday will generally be more expensive and average around $834. 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?

In the evening is the cheapest time of day to fly from Chicago to Dublin when you can find flight prices for as low as $759. Flying to Dublin in the evening 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 $800.

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 $684 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 $645 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 January 2026, prices for Chicago to Dublin flights are approximately 4% 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	$396
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 $396. The best round-trip flight deal from Chicago to Dublin found on momondo in the last 72 hours is $559.

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

Direct flights go from Chicago to Dublin every day.

There is 1 airport in Dublin. From Chicago there are direct flights to 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 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 January 2026.
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 (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 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 23%, 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 2,893 reviews	Search JetBlue flights
Icelandair	PriceFrom $344	Free Cancellation	Rating 7.1 602 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $393	Free Cancellation	Rating 7.1 2,125 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.3 1,660 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $435	Free Cancellation	Rating 6.7 7,690 reviews	Search British Airways flights
Aer Lingus	PriceFrom $469	Free Cancellation	Rating 7.2 1,442 reviews	Search Aer Lingus flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.5 1,856 reviews	Search SWISS flights
Brussels Airlines	PriceFrom $487	Free Cancellation	Rating 7.2 382 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom $488	Free Cancellation	Rating 6.8 7,744 reviews	Search Lufthansa flights
Finnair	PriceFrom $499	Free Cancellation	Rating 7.6 1,353 reviews	Search Finnair flights

United Airlines Flights From Chicago to Dublin
The lowest priced United Airlines flight from Chicago to Dublin from the last 72 hours was $508. Generally, United Airlines has 5 flights on this route every week with an average price of $767. United Airlines is rated 7.4/10 by our users.
Aer Lingus Flights From Chicago to Dublin
$469 is the best Aer Lingus flight deal from Chicago to Dublin found on momondo over the last 72 hours. The average Aer Lingus ticket price found was closer to $705, however, with flight time and availability significantly affecting the price. Aer Lingus (7.2/10 from 1,442 user reviews) flies into Dublin from Chicago 6 times in an average week so prices can vary.

Kilkenny

Swords

Athlone

Dundalk

Malahide

Mullingar

Bray

Kildare

Wicklow

Drogheda

Maynooth

Portmarnock

Arklow

Castleknock

Naas

Leixlip

Carlingford

Cavan

Thurles

Slane

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

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 2/22

Sun 3/1

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Airports servicing Ireland

Cheap flights from Chicago to Dublin from $224

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 3/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Chicago to Dublin

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Delta flights from Chicago to Dublin

Our best Delta deals on Chicago to Dublin flight tickets

KLM flights from Chicago to Dublin

Our best KLM deals on Chicago to Dublin flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago to Dublin that are best for you.

See travel insights to Dublin from

How to get the cheapest flight ticket from Chicago to Dublin

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 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 January 2026, prices for Chicago to Dublin flights are approximately 4% more expensive when compared to flights at the same time last year.

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

Aer Lingus 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 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 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 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, 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.

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

Reykjavik (KEF) was the most common stop: 44% 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 Hartford (BDL) have the shortest average one-way travel time: 9h 43m.

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

Hartford (BDL) has the shortest average layover time for this route: 1h 21m.

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

As of January 2026, 8 flights take off from Chicago and land in Dublin 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 to Dublin on average per week?

As of January 2026, 57 flights take off from Chicago and land in Dublin each week. The most common flight departure day for this route is Wed, 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

United Airlines Flights From Chicago to Dublin

Aer Lingus Flights From Chicago 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?