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 14 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, British Airways, and KLM are the most popular carriers operating from Illinois to Dublin

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

As of August 2026, 133 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.

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 09m on average, while flying from Peoria to Dublin is 16h 50m on average. Dublin is the most popular airport in Dublin.

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

As of August 2026, 19 flights take off from Illinois and land in Dublin each day. The most common flight departure time for this route is 8:00PM, with 78% 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 15 as of August 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.

$154 Cheap Flights from Illinois to Dublin in 2026

Discover deals from 900+ travel sites with momondo.

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 amSTL Lambert-St Louis-DUB Dublin

31h 05m1 stop Toronto Pearson Intl

1:00 pm - 3:26 pmDUB Dublin-STL Lambert-St Louis

32h 26m1 stop Toronto Pearson Intl

$338Aer Lingus

Mon, Jan 11 - Tue, Jan 19

4:05 pm - 5:10 amSTL Lambert-St Louis-DUB Dublin

32h 05m1 stop Toronto Pearson Intl

1:00 pm - 3:26 pmDUB Dublin-STL Lambert-St Louis

32h 26m1 stop Toronto Pearson Intl

$338Aer Lingus

Mon, Oct 26 - Wed, Nov 4

3:45 pm - 5:10 amORD Chicago O'Hare Intl-DUB Dublin

7h 25mnonstop

7:35 pm - 6:15 pmDUB Dublin-ORD Chicago O'Hare Intl

52h 40m3 stops Kastrup Copenhagen Gdansk Rebiechowo Reykjavik Keflavik Intl

$536Multiple Airlines

Mon, Sep 21 - Tue, Sep 29

3:45 pm - 5:10 amORD Chicago O'Hare Intl-DUB Dublin

7h 25mnonstop

7:25 pm - 6:15 pmDUB Dublin-ORD Chicago O'Hare Intl

28h 50m3 stops Milan Malpensa Gdansk Rebiechowo Reykjavik Keflavik Intl

$552Multiple Airlines

Mon, Sep 21 - Wed, Sep 30

7:25 pm - 1:15 pmORD Chicago O'Hare Intl-DUB Dublin

11h 50m1 stop Reykjavik Keflavik Intl

11:30 am - 6:20 pmDUB Dublin-ORD Chicago O'Hare Intl

11h 50m1 stop Reykjavik Keflavik Intl

$601Icelandair

Sun, Oct 18 - Sat, Oct 31

7:25 pm - 1:15 pmORD Chicago O'Hare Intl-DUB Dublin

11h 50m1 stop Reykjavik Keflavik Intl

11:30 am - 6:20 pmDUB Dublin-ORD Chicago O'Hare Intl

11h 50m1 stop Reykjavik Keflavik Intl

$601Icelandair

Mon, Oct 19 - Thu, Oct 29

12:50 pm - 7:10 amORD Chicago O'Hare Intl-DUB Dublin

12h 20m1 stop Toronto Pearson Intl

9:00 am - 3:38 pmDUB Dublin-ORD Chicago O'Hare Intl

12h 38m1 stop Toronto Pearson Intl

$621Air Canada

Wed, Dec 16 - Thu, Dec 24

12:50 pm - 7:10 amORD Chicago O'Hare Intl-DUB Dublin

12h 20m1 stop Toronto Pearson Intl

9:00 am - 3:38 pmDUB Dublin-ORD Chicago O'Hare Intl

12h 38m1 stop Toronto Pearson Intl

$653Air Canada

Wed, Dec 16 - Tue, Dec 29

6:30 am - 7:30 amSTL Lambert-St Louis-DUB Dublin

19h 00m1 stop Newark

9:00 am - 12:06 pmDUB Dublin-STL Lambert-St Louis

33h 06m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$679United Airlines

Tue, Dec 1 - Tue, Dec 15

7:30 am - 7:30 amSTL Lambert-St Louis-DUB Dublin

18h 00m1 stop Newark

9:00 am - 12:06 pmDUB Dublin-STL Lambert-St Louis

33h 06m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$679United Airlines

Tue, Dec 8 - Tue, Dec 15

Cheap last minute flights

Enter your travel dates to find the best prices.

8:50 pm - 5:10 amORD Chicago O'Hare Intl-DUB Dublin

26h 20m1 stop Toronto Pearson Intl

1:20 pm - 2:55 pmDUB Dublin-ORD Chicago O'Hare Intl

31h 35m1 stop Toronto Pearson Intl

$529Aer Lingus

Wed, Aug 19 - Tue, Aug 25

9:45 am - 5:10 amORD Chicago O'Hare Intl-DUB Dublin

13h 25m1 stop Toronto Pearson Intl

1:20 pm - 8:20 pmDUB Dublin-ORD Chicago O'Hare Intl

13h 00m1 stop Toronto Pearson Intl

$624Aer Lingus

Wed, Aug 19 - Sat, Aug 22

7:50 pm - 10:00 amORD Chicago O'Hare Intl-DUB Dublin

32h 10m1 stop Lisbon Humberto Delgado

6:50 pm - 4:00 pmDUB Dublin-ORD Chicago O'Hare Intl

27h 10m1 stop Lisbon Humberto Delgado

$809TAP AIR PORTUGAL

Thu, Aug 20 - Thu, Aug 27

7:25 pm - 1:15 pmORD Chicago O'Hare Intl-DUB Dublin

11h 50m1 stop Reykjavik Keflavik Intl

12:15 pm - 9:25 pmDUB Dublin-ORD Chicago O'Hare Intl

15h 10m1 stop Reykjavik Keflavik Intl

$823Icelandair

Fri, Aug 21 - Wed, Sep 2

7:25 pm - 1:15 pmORD Chicago O'Hare Intl-DUB Dublin

11h 50m1 stop Reykjavik Keflavik Intl

11:30 am - 5:20 pmDUB Dublin-ORD Chicago O'Hare Intl

11h 50m1 stop Reykjavik Keflavik Intl

$853Icelandair

Fri, Aug 21 - Sun, Dec 13

2:01 pm - 7:45 amORD Chicago O'Hare Intl-DUB Dublin

11h 44m1 stop Montreal Pierre Elliott Trudeau Intl

9:50 am - 2:44 pmDUB Dublin-ORD Chicago O'Hare Intl

10h 54m1 stop Montreal Pierre Elliott Trudeau Intl

$862Air Canada

Wed, Aug 19 - Tue, Aug 25

3:35 pm - 9:45 amPIA Greater Peoria-DUB Dublin

12h 10m1 stop Chicago O'Hare Intl

9:50 am - 7:03 pmDUB Dublin-PIA Greater Peoria

39h 13m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$866United Airlines

Tue, Aug 18 - Thu, Sep 3

10:41 am - 9:45 amPIA Greater Peoria-DUB Dublin

17h 04m1 stop Chicago O'Hare Intl

9:50 am - 7:03 pmDUB Dublin-PIA Greater Peoria

39h 13m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$866United Airlines

Tue, Aug 18 - Thu, Sep 3

10:25 pm - 10:40 pmORD Chicago O'Hare Intl-DUB Dublin

18h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl

9:40 am - 12:00 pmDUB Dublin-ORD Chicago O'Hare Intl

32h 20m3 stops Halifax Intl Toronto Pearson Intl Ottawa

$870Multiple Airlines

Fri, Aug 21 - Wed, Sep 2

10:40 am - 7:45 amORD Chicago O'Hare Intl-DUB Dublin

15h 05m2 stops Ottawa Montreal Pierre Elliott Trudeau Intl

9:50 am - 6:46 pmDUB Dublin-ORD Chicago O'Hare Intl

14h 56m2 stops Montreal Pierre Elliott Trudeau Intl Ottawa

$916Air Canada

Wed, Aug 19 - Thu, Aug 27

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Aer Lingus flights from Illinois to Dublin

Our best Aer Lingus deals on Illinois to Dublin flight tickets

Aer Lingus

Jan 11

STL4:05 pmLambert-St Louis

31h 05m

1 stop

DUB5:10 amDublin

Jan 21

DUB1:00 pmDublin

32h 26m

1 stop

STL3:26 pmLambert-St Louis

$329

Aer Lingus

Oct 26

STL4:05 pmLambert-St Louis

32h 05m

1 stop

DUB5:10 amDublin

Nov 4

DUB1:00 pmDublin

32h 26m

1 stop

STL3:26 pmLambert-St Louis

$338

Aer Lingus

Jan 11

STL4:05 pmLambert-St Louis

31h 05m

1 stop

DUB5:10 amDublin

Jan 21

DUB1:00 pmDublin

32h 26m

1 stop

STL3:26 pmLambert-St Louis

$339

United Airlines flights from Illinois to Dublin

Our best United Airlines deals on Illinois to Dublin flight tickets

United Airlines

Dec 8

STL7:30 amLambert-St Louis

18h 00m

1 stop

DUB7:30 amDublin

Dec 15

DUB9:00 amDublin

33h 06m

2 stops

STL12:06 pmLambert-St Louis

$679

United Airlines

Dec 8

STL11:45 amLambert-St Louis

16h 10m

1 stop

DUB9:55 amDublin

Dec 15

DUB9:00 amDublin

12h 26m

1 stop

STL3:26 pmLambert-St Louis

$692

United Airlines

Dec 8

STL11:25 amLambert-St Louis

16h 30m

2 stops

DUB9:55 amDublin

Dec 15

DUB9:00 amDublin

12h 26m

1 stop

STL3:26 pmLambert-St Louis

$697

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Mon 1/11

4:05 pm-5:10 am

1 stop31h 05m

Dublin

Tue 1/19

1:00 pm-3:26 pm

1 stop32h 26m

$338

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Mon 10/26

4:05 pm-5:10 am

1 stop32h 05m

Dublin

Wed 11/4

1:00 pm-3:26 pm

1 stop32h 26m

$338

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Mon 9/21

3:45 pm-5:10 am

Nonstop7h 25m

Dublin

Tue 9/29

7:35 pm-6:15 pm

3 stops52h 40m

$536

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Mon 9/21

3:45 pm-5:10 am

Nonstop7h 25m

Dublin

Wed 9/30

7:25 pm-6:15 pm

3 stops28h 50m

$552

Quickest round-trip

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Sun 10/18

7:25 pm-1:15 pm

1 stop11h 50m

Dublin

Sat 10/31

11:30 am-6:20 pm

1 stop11h 50m

$601

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Mon 10/19

7:25 pm-1:15 pm

1 stop11h 50m

Dublin

Thu 10/29

11:30 am-6:20 pm

1 stop11h 50m

$601

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Wed 12/16

12:50 pm-7:10 am

1 stop12h 20m

Dublin

Thu 12/24

9:00 am-3:38 pm

1 stop12h 38m

$621

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Wed 12/16

12:50 pm-7:10 am

1 stop12h 20m

Dublin

Tue 12/29

9:00 am-3:38 pm

1 stop12h 38m

$653

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 12/1

6:30 am-7:30 am

1 stop19h 00m

Dublin

Tue 12/15

9:00 am-12:06 pm

2 stops33h 06m

$679

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 12/8

7:30 am-7:30 am

1 stop18h 00m

Dublin

Tue 12/15

9:00 am-12:06 pm

2 stops33h 06m

$679

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 $519. 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 $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 Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $756. Flights from Illinois to Dublin on a Saturday will generally be more expensive and average around $877. 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 $777. 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 $852.

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 $695 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 $639 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 62% 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	$154
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 $154. The best round-trip flight deal from Illinois to Dublin found on momondo in the last 72 hours is $338.

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 15 as of August 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 38.50% of the total bookings. Other popular models include Airbus A330-300 with 24.29%, Boeing 787 Dreamliner with 8.63%, and Boeing 767-300 with 6.60%.

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
Icelandair	PriceFrom $346	Free Cancellation	Rating 6.9 731 reviews	Search Icelandair flights
Aer Lingus	PriceFrom $360	Free Cancellation	Rating 7.3 1,708 reviews	Search Aer Lingus flights
Scandinavian Airlines	PriceFrom $423	Free Cancellation	Rating 7.4 1,952 reviews	Search Scandinavian Airlines flights
Iberia	PriceFrom $424	Free Cancellation	Rating 7.0 3,255 reviews	Search Iberia flights
British Airways	PriceFrom $425	Free Cancellation	Rating 6.7 8,169 reviews	Search British Airways flights
Brussels Airlines	PriceFrom $469	Free Cancellation	Rating 7.3 429 reviews	Search Brussels Airlines flights
United Airlines	PriceFrom $473	Free Cancellation	Rating 7.4 10,106 reviews	Search United Airlines flights
Lufthansa	PriceFrom $476	Free Cancellation	Rating 6.8 8,194 reviews	Search Lufthansa flights
Delta	PriceFrom $479	Free Cancellation	Rating 7.8 8,504 reviews	Search Delta flights
American Airlines	PriceFrom $484	Free Cancellation	Rating 7.1 11,946 reviews	Search American Airlines flights

Kilkenny

Swords

Athlone

Kildare

Malahide

Mullingar

Wicklow

Bray

Portmarnock

Leixlip

Dundalk

Carlingford

Drogheda

Arklow

Naas

Slane

Castleknock

Gorey

Cavan

Maynooth

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 $154

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 10/26. 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

United Airlines flights from Illinois to Dublin

Our best United Airlines 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

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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Dublin

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

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