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 59% 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.

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

Aer Lingus, Scandinavian Airlines, and JetBlue are the most popular carriers operating from Illinois to Dublin

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

As of November 2025, 85 flights take off from Illinois and land in Dublin each week. The most common flight departure day for this route is Wed, with 15% of weekly flights taking off on this day.

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

As of November 2025, 12 flights take off from Illinois and land in Dublin each day. The most common flight departure time for this route is 6:00PM, with 63% 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 9h 37m on average, while flying from Peoria to Dublin is 11h 46m on average. Dublin is the most popular airport in 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 17 as of November 2025.

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.

$234 Cheap Flights from Illinois to Dublin in 2025/26

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Find the cheapest flights from Illinois to Dublin

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 7:45 amSTL-DUB

16h 45m1 stop

9:45 am - 4:49 pmDUB-STL

13h 04m1 stop

$433KLM

Find Deal

Tue, Dec 2 - Tue, Dec 9

9:00 am - 7:45 amSTL-DUB

16h 45m1 stop

10:45 am - 8:47 pmDUB-STL

16h 02m2 stops

$438Delta

Find Deal

Tue, Dec 2 - Tue, Dec 9

3:50 pm - 11:00 amSTL-DUB

13h 10m1 stop

5:10 am - 1:55 pmDUB-STL

14h 45m1 stop

$440Lufthansa

Find Deal

Sun, Nov 16 - Sun, Nov 23

9:00 am - 7:45 amSTL-DUB

16h 45m1 stop

6:00 am - 5:10 pmDUB-STL

17h 10m2 stops

$452Multiple Airlines

Find Deal

Tue, Dec 2 - Thu, Dec 11

3:14 pm - 8:10 amSTL-DUB

10h 56m1 stop

9:00 am - 7:16 pmDUB-STL

40h 16m2 stops

$455United Airlines

Find Deal

Sun, Nov 16 - Sun, Nov 23

6:43 pm - 7:10 amSTL-DUB

30h 27m2 stops

5:10 am - 1:55 pmDUB-STL

14h 45m1 stop

$460Multiple Airlines

Find Deal

Sat, Nov 22 - Wed, Nov 26

7:20 pm - 11:45 amORD-DUB

34h 25m1 stop

10:10 am - 4:45 pmDUB-ORD

12h 35m1 stop

$461Scandinavian Airlines

Find Deal

Sat, Nov 29 - Sat, Dec 6

5:24 pm - 7:10 amSTL-DUB

31h 46m2 stops

9:00 am - 12:15 pmDUB-STL

33h 15m2 stops

$462United Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 8

7:10 am - 6:20 pmORD-DUB

29h 10m2 stops

10:10 am - 4:45 pmDUB-ORD

12h 35m1 stop

$471Scandinavian Airlines

Find Deal

Sun, Nov 16 - Sat, Nov 22

9:50 pm - 5:10 pmORD-DUB

13h 20m1 stop

9:15 am - 8:05 pmDUB-ORD

16h 50m1 stop

$476Lufthansa

Find Deal

Tue, Nov 11 - Sun, Nov 16

Aer Lingus flights from Illinois to Dublin

Our best Aer Lingus deals on Illinois to Dublin flight tickets

Aer Lingus

Nov 18

ORD3:50 pmChicago O'Hare Intl

7h 20m

DUB5:10 amDublin

Nov 24

DUB11:30 amDublin

8h 30m

ORD2:00 pmChicago O'Hare Intl

$467

Find similar

Aer Lingus

Nov 7

ORD7:40 pmChicago O'Hare Intl

7h 20m

DUB9:00 amDublin

Nov 12

DUB3:20 pmDublin

8h 35m

ORD5:55 pmChicago O'Hare Intl

$471

Find similar

Aer Lingus

Nov 25

ORD3:50 pmChicago O'Hare Intl

7h 20m

DUB5:10 amDublin

Nov 27

DUB11:30 amDublin

8h 30m

ORD2:00 pmChicago O'Hare Intl

$494

Find similar

American Airlines flights from Illinois to Dublin

Our best American Airlines deals on Illinois to Dublin flight tickets

American Airlines

Apr 12

EVV4:53 pmEvansville Dress Regional

11h 02m

1 stop

DUB9:55 amDublin

Apr 20

DUB1:45 pmDublin

14h 47m

1 stop

EVV10:32 pmEvansville Dress Regional

$666

Find similar

American Airlines

Nov 14

EVV6:00 amEvansville Dress Regional

19h 10m

1 stop

DUB7:10 amDublin

Nov 18

DUB3:20 pmDublin

12h 42m

1 stop

EVV10:02 pmEvansville Dress Regional

$683

Find similar

American Airlines

Mar 4

CMI12:19 pmChampaign University-Willard

10h 51m

1 stop

DUB5:10 amDublin

Mar 8

DUB3:20 pmDublin

11h 07m

1 stop

CMI9:27 pmChampaign University-Willard

$733

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 12/2

9:00 am-7:45 am

1 stop16h 45m

Dublin

Tue 12/9

9:45 am-4:49 pm

1 stop13h 04m

$433

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 12/2

9:00 am-7:45 am

1 stop16h 45m

Dublin

Tue 12/9

10:45 am-8:47 pm

2 stops16h 02m

$438

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 11/16

3:50 pm-11:00 am

1 stop13h 10m

Dublin

Sun 11/23

5:10 am-1:55 pm

1 stop14h 45m

$440

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 12/2

9:00 am-7:45 am

1 stop16h 45m

Dublin

Thu 12/11

6:00 am-5:10 pm

2 stops17h 10m

$452

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 11/16

3:14 pm-8:10 am

1 stop10h 56m

Dublin

Sun 11/23

9:00 am-7:16 pm

2 stops40h 16m

$455

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 11/22

6:43 pm-7:10 am

2 stops30h 27m

Dublin

Wed 11/26

5:10 am-1:55 pm

1 stop14h 45m

$460

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 11/29

7:20 pm-11:45 am

1 stop34h 25m

Dublin

Sat 12/6

10:10 am-4:45 pm

1 stop12h 35m

$461

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 12/1

5:24 pm-7:10 am

2 stops31h 46m

Dublin

Mon 12/8

9:00 am-12:15 pm

2 stops33h 15m

$462

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 11/16

7:10 am-6:20 pm

2 stops29h 10m

Dublin

Sat 11/22

10:10 am-4:45 pm

1 stop12h 35m

$471

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 11/11

9:50 pm-5:10 pm

1 stop13h 20m

Dublin

Sun 11/16

9:15 am-8:05 pm

1 stop16h 50m

$476

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 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 $558. 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 $562.

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

The cheapest day to depart from Illinois to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $757. Flights from Illinois to Dublin on a Friday will generally be more expensive and average around $845. 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 Illinois 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 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 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 $704 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 $641 on momondo.

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

There are 3 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 9% 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	$452
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 $452. The best round-trip flight deal from Illinois to Dublin found on momondo in the last 72 hours is $593.

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

Direct flights go from Illinois to Dublin every day.

There is 1 airport near Dublin: Dublin (DUB)

Search flight deals

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 17 as of November 2025.
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 21.72% of the total bookings. Other popular models include Boeing 767-300 with 17.83%, Boeing 787 Dreamliner with 17.36%, and Airbus A330-300 with 13.87%.

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 7.2 2,907 reviews	Search JetBlue flights
Icelandair	PriceFrom $346	Free Cancellation	Rating 7.1 572 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $393	Free Cancellation	Rating 7.1 2,048 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.4 1,564 reviews	Search Scandinavian Airlines flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.5 1,779 reviews	Search SWISS flights
Lufthansa	PriceFrom $476	Free Cancellation	Rating 6.8 7,558 reviews	Search Lufthansa flights
Aer Lingus	PriceFrom $494	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus flights
British Airways	PriceFrom $512	Free Cancellation	Rating 6.7 7,500 reviews	Search British Airways flights
United Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
Air Canada	PriceFrom $523	Free Cancellation	Rating 7.1 10,416 reviews	Search Air Canada flights

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 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.

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.

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Cheap flights from Illinois to Dublin from $234

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 2/2. 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

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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

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 Illinois 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 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 to Dublin?

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

There are 3 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 9% on your flight if you consider stops on a Illinois to Dublin flight.

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

Aer Lingus, Scandinavian Airlines, and JetBlue are the most popular carriers operating from Illinois to Dublin

What airlines fly to Dublin?

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

As of November 2025, 12 flights take off from Illinois and land in Dublin each day. The most common flight departure time for this route is 6:00PM, with 63% of daily flights taking off in the evening.

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

As of November 2025, 85 flights take off from Illinois and land in Dublin each week. The most common flight departure day for this route is Wed, with 15% of weekly flights taking off on this day.

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 9h 37m on average, while flying from Peoria to Dublin is 11h 46m on average. Dublin is the most popular airport in 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

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

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

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

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

What is the most popular plane model 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?

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

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

How can momondo help me find flights from Illinois to Dublin?

I’m not ready to book a flight from Illinois 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, 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