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

JetBlue, Delta, and United Airlines are the most popular carriers operating from Illinois to Dublin

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

As of July 2026, 20 flights take off from Illinois and land in Dublin each day. The most common flight departure time for this route is 8:00PM, with 80% of daily flights taking off in the evening.

How long does it take to fly to Dublin?

Average flight duration from Illinois to Dublin depends on which airport you fly into and out of. Flying from Chicago to Dublin is 8h 11m on average, while flying from Peoria to Dublin is 10h 02m on average. Dublin is the most popular airport in Dublin.

What airlines fly to Dublin?

Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to Dublin from Illinois according to our data. Aer Lingus is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 15 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 Illinois to Dublin on average per week?

As of July 2026, 140 flights take off from Illinois and land in Dublin each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

Prices for flights from Illinois to Dublin Airport were last updated today.

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

The number of operators available for flights from Illinois to Dublin Airport is 16 as of July 2026.

How old do you have to be to fly from Illinois 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 Illinois 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.

$190 Cheap Flights from Illinois to Dublin in 2026

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Find the cheapest flights from Illinois to Dublin

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:05 pm - 5:10 am

STL

DUB

31h 05m

1 stop

1:00 pm - 3:26 pm

DUB

STL

32h 26m

1 stop

$349Aer Lingus

Mon, Nov 9 - Wed, Nov 18

8:55 am - 5:10 am

STL

DUB

14h 15m

1 stop

1:20 pm - 2:02 pm

DUB

STL

30h 42m

1 stop

$353Aer Lingus

Tue, Aug 11 - Wed, Aug 19

8:55 am - 5:10 am

STL

DUB

14h 15m

1 stop

1:20 pm - 2:02 pm

DUB

STL

30h 42m

1 stop

$354Aer Lingus

Tue, Aug 11 - Wed, Aug 19

3:40 pm - 7:45 am

ORD

DUB

10h 05m

1 stop

9:20 am - 2:55 pm

DUB

ORD

11h 35m

1 stop

$430Multiple Airlines

Fri, Aug 14 - Fri, Aug 21

3:40 pm - 7:45 am

ORD

DUB

10h 05m

1 stop

9:50 am - 2:44 pm

DUB

ORD

10h 54m

1 stop

$434Multiple Airlines

Fri, Aug 7 - Tue, Aug 11

11:05 am - 7:45 am

ORD

DUB

14h 40m

1 stop

9:50 am - 7:51 am

DUB

ORD

28h 01m

1 stop

$435Air Canada

Mon, Aug 24 - Mon, Aug 31

12:46 pm - 8:45 am

MDW

DUB

13h 59m

1 stop

10:00 am - 6:33 pm

DUB

MDW

14h 33m

1 stop

$650KLM

Mon, Aug 10 - Wed, Aug 19

9:59 am - 7:55 am

MDW

DUB

15h 56m

1 stop

12:00 pm - 6:19 pm

DUB

MDW

12h 19m

1 stop

$651Delta

Tue, Aug 25 - Mon, Sep 14

6:42 pm - 10:00 am

MDW

DUB

9h 18m

1 stop

10:00 am - 6:33 pm

DUB

MDW

14h 33m

1 stop

$652KLM

Thu, Aug 20 - Wed, Aug 26

1:25 pm - 10:00 am

MDW

DUB

14h 35m

1 stop

12:00 pm - 6:01 pm

DUB

MDW

12h 01m

1 stop

$660Delta

Wed, Aug 19 - Wed, Aug 26

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Aer Lingus flights from Illinois to Dublin

Our best Aer Lingus deals on Illinois to Dublin flight tickets

Aer Lingus

Nov 9

STL4:05 pmLambert-St Louis

31h 05m

1 stop

DUB5:10 amDublin

Nov 18

DUB1:00 pmDublin

32h 26m

1 stop

STL3:26 pmLambert-St Louis

$349

Aer Lingus

Aug 11

STL8:55 amLambert-St Louis

14h 15m

1 stop

DUB5:10 amDublin

Aug 19

DUB1:20 pmDublin

30h 42m

1 stop

STL2:02 pmLambert-St Louis

$353

Aer Lingus

Aug 11

STL8:55 amLambert-St Louis

14h 15m

1 stop

DUB5:10 amDublin

Aug 19

DUB1:20 pmDublin

30h 42m

1 stop

STL2:02 pmLambert-St Louis

$354

Delta flights from Illinois to Dublin

Our best Delta deals on Illinois to Dublin flight tickets

Delta

Aug 25

MDW9:59 amChicago Midway

15h 56m

1 stop

DUB7:55 amDublin

Sep 14

DUB12:00 pmDublin

12h 19m

1 stop

MDW6:19 pmChicago Midway

$651

Delta

Aug 19

MDW6:42 pmChicago Midway

9h 18m

1 stop

DUB10:00 amDublin

Aug 25

DUB12:00 pmDublin

12h 01m

1 stop

MDW6:01 pmChicago Midway

$660

Delta

Aug 29

MDW6:42 pmChicago Midway

9h 18m

1 stop

DUB10:00 amDublin

Sep 8

DUB10:00 amDublin

12h 57m

1 stop

MDW4:57 pmChicago Midway

$690

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 11/9

4:05 pm-5:10 am

1 stop31h 05m

Dublin

Wed 11/18

1:00 pm-3:26 pm

1 stop32h 26m

$349

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 8/11

8:55 am-5:10 am

1 stop14h 15m

Dublin

Wed 8/19

1:20 pm-2:02 pm

1 stop30h 42m

$353

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 8/11

8:55 am-5:10 am

1 stop14h 15m

Dublin

Wed 8/19

1:20 pm-2:02 pm

1 stop30h 42m

$354

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 8/14

3:40 pm-7:45 am

1 stop10h 05m

Dublin

Fri 8/21

9:20 am-2:55 pm

1 stop11h 35m

$430

Quickest round-trip

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 8/7

3:40 pm-7:45 am

1 stop10h 05m

Dublin

Tue 8/11

9:50 am-2:44 pm

1 stop10h 54m

$434

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 8/24

11:05 am-7:45 am

1 stop14h 40m

Dublin

Mon 8/31

9:50 am-7:51 am

1 stop28h 01m

$435

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Mon 8/10

12:46 pm-8:45 am

1 stop13h 59m

Dublin

Wed 8/19

10:00 am-6:33 pm

1 stop14h 33m

$650

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 8/25

9:59 am-7:55 am

1 stop15h 56m

Dublin

Mon 9/14

12:00 pm-6:19 pm

1 stop12h 19m

$651

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Thu 8/20

6:42 pm-10:00 am

1 stop9h 18m

Dublin

Wed 8/26

10:00 am-6:33 pm

1 stop14h 33m

$652

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Wed 8/19

1:25 pm-10:00 am

1 stop14h 35m

Dublin

Wed 8/26

12:00 pm-6:01 pm

1 stop12h 01m

$660

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How to get the cheapest flight ticket from Illinois 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

Other information

What is the cheapest month to fly to Dublin?

In general, February is the cheapest month to fly from Illinois to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $340. If you’re not able to fly to Dublin in February, then January is your next best option. Flight prices from Illinois to Dublin during January average around $344.

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

The cheapest day to depart from Illinois to Dublin is on a Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $738. Flights from Illinois to Dublin on a Friday will generally be more expensive and average around $859. 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 Illinois to Dublin when you can find flight prices for as low as $762. 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 $831.

What is the cheapest Illinois to Dublin flight route?

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

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

You are more likely to see cheaper flights to Dublin from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $686 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Illinois for as low as $629 on momondo.

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

There are 4 cabin classes available to choose from on Illinois 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 Illinois to Dublin flights?

You could potentially save up to 53% on your flight if you consider stops on a Illinois to Dublin flight.

Cheap Illinois to Dublin flight deals and tips

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

Best Price Found	$540
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Dublin	1 airport

The best one-way flight to Dublin from Illinois in the past 72 hours is $540. The best round-trip flight deal from Illinois to Dublin found on momondo in the last 72 hours is $876.

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

Direct flights go from Illinois to Dublin every day.

There is 1 airport in Dublin. From Illinois there are direct flights to Dublin (DUB).

Search flight deals

Frequently asked questions about flying from Illinois to Dublin

When did momondo last update prices for flights from Illinois to Dublin Airport?
Prices for flights from Illinois to Dublin Airport were last updated today.
How many operators does momondo search for flights from Illinois to Dublin Airport?
The number of operators available for flights from Illinois to Dublin Airport is 16 as of July 2026.
How old do you have to be to fly from Illinois 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 Illinois 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 Illinois to Dublin?
Based on momondo bookings for flights between Illinois and Dublin, the leading plane model is Boeing 787-8 Dreamliner, making up 34.32% of the total bookings. Other popular models include Airbus A330-300 with 22.14%, Boeing 787 Dreamliner with 11.54%, and Boeing 787-9 Dreamliner with 7.42%.

Best airlines flying from Illinois to Dublin

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.1 3,009 reviews	Search JetBlue flights
Icelandair	PriceFrom $345	Free Cancellation	Rating 7.0 697 reviews	Search Icelandair flights
Aer Lingus	PriceFrom $375	Free Cancellation	Rating 7.3 1,638 reviews	Search Aer Lingus flights
Scandinavian Airlines	PriceFrom $423	Free Cancellation	Rating 7.4 1,862 reviews	Search Scandinavian Airlines flights
Iberia	PriceFrom $424	Free Cancellation	Rating 7.0 3,250 reviews	Search Iberia flights
British Airways	PriceFrom $425	Free Cancellation	Rating 6.7 8,091 reviews	Search British Airways flights
Brussels Airlines	PriceFrom $469	Free Cancellation	Rating 7.2 418 reviews	Search Brussels Airlines flights
United Airlines	PriceFrom $473	Free Cancellation	Rating 7.4 9,927 reviews	Search United Airlines flights
Lufthansa	PriceFrom $476	Free Cancellation	Rating 6.8 8,108 reviews	Search Lufthansa flights
Delta	PriceFrom $479	Free Cancellation	Rating 7.8 8,453 reviews	Search Delta flights

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Portmarnock

Dundalk

Arklow

Leixlip

Castleknock

Naas

Cavan

Carlingford

Maynooth

Slane

Thurles

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Dublin. Millions of users trust and use momondo every year so you are in good hands.

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

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

How can momondo help me find flights from Illinois 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 Illinois.

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

Price alerts on flights to Dublin from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Illinois to Dublin from $190

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Dublin departing on 8/28. 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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Aer Lingus flights from Illinois to Dublin

Our best Aer Lingus deals on Illinois to Dublin flight tickets

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Our best Delta deals on Illinois to Dublin flight tickets

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How to get the cheapest flight ticket from Illinois 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 Illinois to Dublin flight route?

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

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

Can stopping save me money on Illinois to Dublin flights?

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

What airlines fly to Dublin?

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

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

How long does it take to fly to Dublin?

Cheap Illinois to Dublin flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Dublin

Frequently asked questions about flying from Illinois to Dublin

Best airlines flying from Illinois to Dublin

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

Traveling to a place near Dublin?

Why use momondo?

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.

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

Fly your favorite airline to Dublin

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List of cabin classes available on flights landing in Dublin. Availability may vary depending on flight origin and airline.

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