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

United 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 19m on average, while flying from Peoria to Dublin is 10h 15m on average. Dublin is the most popular airport in Dublin.

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

As of March 2026, 67 flights take off from Illinois and land in Dublin each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

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 62% 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 day?

As of March 2026, 9 flights take off from Illinois and land in Dublin each day. The most common flight departure time for this route is 7:00PM, with 73% of daily flights taking off in the evening.

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 March 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.

$258 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.

11:25 am - 9:35 am

ORD

DUB

16h 10m

1 stop

5:05 pm - 9:40 am

DUB

ORD

22h 35m

1 stop

$573Turkish Airlines

Wed, Apr 15 - Tue, Apr 21

11:25 am - 4:00 pm

ORD

DUB

22h 35m

1 stop

5:05 pm - 9:40 am

DUB

ORD

22h 35m

1 stop

$576Turkish Airlines

Wed, Apr 15 - Wed, Apr 22

7:25 pm - 1:15 pm

ORD

DUB

11h 50m

1 stop

2:15 pm - 6:15 pm

DUB

ORD

10h 00m

1 stop

$591Icelandair

Wed, Apr 22 - Thu, Apr 30

7:25 pm - 1:15 pm

ORD

DUB

11h 50m

1 stop

2:15 pm - 6:15 pm

DUB

ORD

10h 00m

1 stop

$592Icelandair

Sun, Apr 26 - Thu, Apr 30

6:00 am - 9:45 am

STL

DUB

21h 45m

1 stop

9:20 am - 12:13 pm

DUB

STL

32h 53m

2 stops

$629United Airlines

Mon, Sep 7 - Tue, Sep 15

2:40 pm - 8:15 am

STL

DUB

11h 35m

1 stop

6:00 am - 1:25 pm

DUB

STL

13h 25m

1 stop

$630Multiple Airlines

Mon, Sep 7 - Tue, Sep 15

5:00 am - 7:45 am

STL

DUB

20h 45m

2 stops

9:20 am - 11:06 am

DUB

STL

31h 46m

2 stops

$632United Airlines

Wed, Sep 2 - Tue, Sep 8

2:40 pm - 8:15 am

STL

DUB

11h 35m

1 stop

9:20 am - 12:13 pm

DUB

STL

32h 53m

2 stops

$637Air Canada

Tue, Aug 11 - Wed, Aug 19

12:10 pm - 7:45 am

STL

DUB

13h 35m

1 stop

5:55 am - 1:25 pm

DUB

STL

13h 30m

1 stop

$644Multiple Airlines

Sun, Sep 6 - Wed, Sep 16

6:00 am - 7:45 am

STL

DUB

19h 45m

2 stops

9:50 am - 6:42 pm

DUB

STL

14h 52m

1 stop

$646Air Canada

Sun, Aug 16 - Tue, Aug 25

KLM flights from Illinois to Dublin

Our best KLM deals on Illinois to Dublin flight tickets

KLM

Apr 20

MDW9:29 amChicago Midway

16h 26m

1 stop

DUB7:55 amDublin

May 5

DUB5:55 amDublin

18h 41m

2 stops

MDW6:36 pmChicago Midway

$647

KLM

Apr 27

MDW2:12 pmChicago Midway

11h 43m

1 stop

DUB7:55 amDublin

May 6

DUB10:00 amDublin

14h 36m

1 stop

MDW6:36 pmChicago Midway

$653

KLM

May 6

MDW12:52 pmChicago Midway

13h 53m

1 stop

DUB8:45 amDublin

May 13

DUB10:00 amDublin

14h 33m

1 stop

MDW6:33 pmChicago Midway

$654

United Airlines flights from Illinois to Dublin

Our best United Airlines deals on Illinois to Dublin flight tickets

United Airlines

Sep 7

STL6:00 amLambert-St Louis

21h 45m

1 stop

DUB9:45 amDublin

Sep 15

DUB9:20 amDublin

32h 53m

2 stops

STL12:13 pmLambert-St Louis

$629

United Airlines

Aug 19

ORD6:30 amChicago O'Hare Intl

22h 10m

1 stop

DUB10:40 amDublin

Aug 27

DUB9:50 amDublin

31h 31m

1 stop

ORD11:21 amChicago O'Hare Intl

$630

United Airlines

Sep 2

STL5:00 amLambert-St Louis

20h 45m

2 stops

DUB7:45 amDublin

Sep 8

DUB9:20 amDublin

31h 46m

2 stops

STL11:06 amLambert-St Louis

$632

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/15

11:25 am-9:35 am

1 stop16h 10m

Dublin

Tue 4/21

5:05 pm-9:40 am

1 stop22h 35m

$573

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/15

11:25 am-4:00 pm

1 stop22h 35m

Dublin

Wed 4/22

5:05 pm-9:40 am

1 stop22h 35m

$576

Quickest round-trip

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/22

7:25 pm-1:15 pm

1 stop11h 50m

Dublin

Thu 4/30

2:15 pm-6:15 pm

1 stop10h 00m

$591

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 4/26

7:25 pm-1:15 pm

1 stop11h 50m

Dublin

Thu 4/30

2:15 pm-6:15 pm

1 stop10h 00m

$592

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 9/7

6:00 am-9:45 am

1 stop21h 45m

Dublin

Tue 9/15

9:20 am-12:13 pm

2 stops32h 53m

$629

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 9/7

2:40 pm-8:15 am

1 stop11h 35m

Dublin

Tue 9/15

6:00 am-1:25 pm

1 stop13h 25m

$630

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 9/2

5:00 am-7:45 am

2 stops20h 45m

Dublin

Tue 9/8

9:20 am-11:06 am

2 stops31h 46m

$632

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 8/11

2:40 pm-8:15 am

1 stop11h 35m

Dublin

Wed 8/19

9:20 am-12:13 pm

2 stops32h 53m

$637

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 9/6

12:10 pm-7:45 am

1 stop13h 35m

Dublin

Wed 9/16

5:55 am-1:25 pm

1 stop13h 30m

$644

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 8/16

6:00 am-7:45 am

2 stops19h 45m

Dublin

Tue 8/25

9:50 am-6:42 pm

1 stop14h 52m

$646

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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, January 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 $496. If you’re not able to fly to Dublin in January, then February is your next best option. Flight prices from Illinois to Dublin during February average around $520.

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

The cheapest day to depart from Illinois to Dublin is on a Monday. Travelers who choose to depart for Dublin on a Monday will often find tickets for as low as $719. Flights from Illinois to Dublin on a Friday will generally be more expensive and average around $826. 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 $732. 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 $792.

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 $670 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 $632 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 11% 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	$423
Fastest flight time	7h 15m
Direct flights	Every day
Airports in Dublin	1 airport

The best one-way flight to Dublin from Illinois in the past 72 hours is $423. The best round-trip flight deal from Illinois to Dublin found on momondo in the last 72 hours is $675.

The fastest flight from Illinois to Dublin takes 7h 15m

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 16 as of March 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 Dreamliner, making up 23.12% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 20.09%, Airbus A330-300 with 18.65%, and Boeing 767-300 with 11.55%.

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 2,904 reviews	Search JetBlue flights
TAP AIR PORTUGAL	PriceFrom $274	Free Cancellation	Rating 7.1 2,180 reviews	Search TAP AIR PORTUGAL flights
Icelandair	PriceFrom $345	Free Cancellation	Rating 7.0 625 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.3 1,724 reviews	Search Scandinavian Airlines flights
Iberia	PriceFrom $424	Free Cancellation	Rating 7.0 3,155 reviews	Search Iberia flights
British Airways	PriceFrom $425	Free Cancellation	Rating 6.7 7,821 reviews	Search British Airways flights
Aer Lingus	PriceFrom $469	Free Cancellation	Rating 7.2 1,489 reviews	Search Aer Lingus flights
Finnair	PriceFrom $472	Free Cancellation	Rating 7.7 1,374 reviews	Search Finnair flights
Lufthansa	PriceFrom $476	Free Cancellation	Rating 6.8 7,870 reviews	Search Lufthansa flights
United Airlines	PriceFrom $478	Free Cancellation	Rating 7.4 9,483 reviews	Search United Airlines flights

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Athlone

Dundalk

Bray

Kildare

Mullingar

Wicklow

Drogheda

Portmarnock

Arklow

Castleknock

Leixlip

Carlingford

Cavan

Malahide

Maynooth

Naas

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.

An easier way to manage your Dublin trip

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Cheap flights from Illinois to Dublin from $258

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 3/30. 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 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 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

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

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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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