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

As of December 2025, 86 flights take off from Illinois 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.

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

As of December 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 65% of daily flights taking off in the evening.

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

American Airlines is the most popular carrier operating from Illinois to Dublin

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 40m on average, while flying from Peoria to Dublin is 11h 10m 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 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.

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 December 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.

$242 Cheap Flights from Illinois to Dublin in 2025/26

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Find the cheapest flights from Illinois to Dublin

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Cheap round-trip flights

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8:20 pm - 6:20 pm

ORD

DUB

17h 00m1 stop

10:10 am - 5:45 pm

DUB

ORD

12h 35m1 stop

$420Scandinavian Airlines

Sun, Mar 8 - Sat, Mar 14

1:15 pm - 8:10 am

STL

DUB

12h 55m1 stop

5:10 am - 1:55 pm

DUB

STL

14h 45m1 stop

$420Lufthansa

Thu, Jan 22 - Wed, Jan 28

10:29 am - 6:20 pm

ORD

DUB

25h 51m2 stops

11:30 am - 4:45 pm

DUB

ORD

35h 15m2 stops

$421Scandinavian Airlines

Mon, Jan 26 - Fri, Jan 30

6:30 pm - 10:15 am

ORD

DUB

9h 45m1 stop

11:30 am - 6:20 pm

DUB

ORD

11h 50m1 stop

$427Icelandair

Thu, Mar 5 - Mon, Mar 9

6:30 pm - 10:15 am

ORD

DUB

9h 45m1 stop

11:30 am - 5:20 pm

DUB

ORD

11h 50m1 stop

$428Icelandair

Sun, Jan 18 - Sun, Feb 1

11:22 am - 7:30 am

STL

DUB

14h 08m1 stop

9:30 am - 11:59 pm

DUB

STL

20h 29m1 stop

$433Austrian Airlines

Tue, Jan 27 - Tue, Feb 3

3:00 pm - 8:10 am

PIA

DUB

11h 10m1 stop

9:00 am - 4:50 pm

DUB

PIA

37h 50m2 stops

$455United Airlines

Wed, Feb 11 - Sun, Feb 15

1:15 pm - 8:10 am

STL

DUB

12h 55m1 stop

9:00 am - 10:00 pm

DUB

STL

43h 00m2 stops

$455United Airlines

Thu, Jan 22 - Mon, Jan 26

4:05 pm - 5:10 pm

STL

DUB

20h 05m2 stops

8:00 am - 3:29 pm

DUB

STL

12h 29m1 stop

$458Multiple Airlines

Mon, Mar 9 - Wed, Mar 18

11:22 am - 7:30 am

STL

DUB

14h 08m1 stop

5:10 am - 1:55 pm

DUB

STL

14h 45m1 stop

$465Multiple Airlines

Wed, Jan 14 - Wed, Jan 28

KLM flights from Illinois to Dublin

Our best KLM deals on Illinois to Dublin flight tickets

KLM

Dec 12

STL4:32 pmLambert-St Louis

10h 13m

1 stop

DUB8:45 amDublin

Dec 18

DUB9:45 amDublin

13h 04m

1 stop

STL4:49 pmLambert-St Louis

$483

Find similar

KLM

Mar 9

EVV11:09 amEvansville Dress Regional

15h 36m

1 stop

DUB7:45 amDublin

Mar 24

DUB1:25 pmDublin

32h 54m

2 stops

EVV5:19 pmEvansville Dress Regional

$487

Find similar

KLM

Dec 12

STL4:32 pmLambert-St Louis

10h 13m

1 stop

DUB8:45 amDublin

Dec 17

DUB11:30 amDublin

16h 27m

2 stops

STL9:57 pmLambert-St Louis

$488

Find similar

United Airlines flights from Illinois to Dublin

Our best United Airlines deals on Illinois to Dublin flight tickets

United Airlines

Feb 11

PIA10:45 amGreater Peoria

15h 25m

1 stop

DUB8:10 amDublin

Feb 15

DUB9:00 amDublin

33h 43m

2 stops

PIA12:43 pmGreater Peoria

$455

Find similar

United Airlines

Feb 11

PIA10:45 amGreater Peoria

14h 45m

2 stops

DUB7:30 amDublin

Feb 15

DUB9:00 amDublin

33h 43m

2 stops

PIA12:43 pmGreater Peoria

$460

Find similar

United Airlines

Apr 21

ORD8:15 pmChicago O'Hare Intl

7h 30m

DUB9:45 amDublin

May 6

DUB9:20 amDublin

16h 33m

1 stop

ORD7:53 pmChicago O'Hare Intl

$462

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/8

8:20 pm-6:20 pm

1 stop17h 00m

Dublin

Sat 3/14

10:10 am-5:45 pm

1 stop12h 35m

$420

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Thu 1/22

1:15 pm-8:10 am

1 stop12h 55m

Dublin

Wed 1/28

5:10 am-1:55 pm

1 stop14h 45m

$420

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 1/26

10:29 am-6:20 pm

2 stops25h 51m

Dublin

Fri 1/30

11:30 am-4:45 pm

2 stops35h 15m

$421

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 3/5

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Mon 3/9

11:30 am-6:20 pm

1 stop11h 50m

$427

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 1/18

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Sun 2/1

11:30 am-5:20 pm

1 stop11h 50m

$428

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 1/27

11:22 am-7:30 am

1 stop14h 08m

Dublin

Tue 2/3

9:30 am-11:59 pm

1 stop20h 29m

$433

PeoriaDublin

PIA - DUB

PIADUB

Greater Peoria

Wed 2/11

3:00 pm-8:10 am

1 stop11h 10m

Dublin

Sun 2/15

9:00 am-4:50 pm

2 stops37h 50m

$455

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Thu 1/22

1:15 pm-8:10 am

1 stop12h 55m

Dublin

Mon 1/26

9:00 am-10:00 pm

2 stops43h 00m

$455

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 3/9

4:05 pm-5:10 pm

2 stops20h 05m

Dublin

Wed 3/18

8:00 am-3:29 pm

1 stop12h 29m

$458

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 1/14

11:22 am-7:30 am

1 stop14h 08m

Dublin

Wed 1/28

5:10 am-1:55 pm

1 stop14h 45m

$465

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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 $560. 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 $564.

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 $755. Flights from Illinois 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 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 $698 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 $666 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?

No. A direct flight is the cheapest option for a flight between Illinois 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	$393
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 $393. The best round-trip flight deal from Illinois to Dublin found on momondo in the last 72 hours is $597.

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

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 December 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 Airbus A330-300, making up 25.39% of the total bookings. Other popular models include Boeing 767-300 with 19.88%, Boeing 787 Dreamliner with 14.04%, and Boeing 787-8 Dreamliner with 14.03%.

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 2,899 reviews	Search JetBlue flights
Icelandair	PriceFrom $346	Free Cancellation	Rating 7.0 589 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $393	Free Cancellation	Rating 7.1 2,089 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.4 1,605 reviews	Search Scandinavian Airlines flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.5 1,810 reviews	Search SWISS flights
Aer Lingus	PriceFrom $478	Free Cancellation	Rating 7.2 1,394 reviews	Search Aer Lingus flights
Lufthansa	PriceFrom $488	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights
British Airways	PriceFrom $512	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
United Airlines	PriceFrom $518	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $522	Free Cancellation	Rating 7.2 375 reviews	Search Brussels Airlines flights

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Maynooth

Bray

Kildare

Mullingar

Drogheda

Naas

Arklow

Cavan

Castleknock

Wicklow

Leixlip

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.

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Cheap flights from Illinois to Dublin from $242

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 2/1. 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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KLM flights from Illinois to Dublin

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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?

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?

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

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

American Airlines is the most popular carrier operating from Illinois to Dublin

What airlines fly to Dublin?

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

As of December 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 65% of daily flights taking off in the evening.

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

As of December 2025, 86 flights take off from Illinois 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.

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 40m on average, while flying from Peoria to Dublin is 11h 10m 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