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

TAP AIR PORTUGAL 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 September 2025, 122 flights take off from Illinois and land in Dublin each week. The most common flight departure day for this route is Mon, with 16% 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 59% 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 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 32m on average, while flying from Peoria to Dublin is 15h 19m on average. Dublin is the most popular airport in Dublin.

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

As of September 2025, 17 flights take off from Illinois and land in Dublin each day. The most common flight departure time for this route is 8:00PM, with 79% 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 17 as of September 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.

$204 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

Direct

Cheap round-trip flights

6:43 pm - 6:10 amSTL-DUB

30h 27m2 stops

9:00 am - 3:46 pmDUB-STL

36h 46m2 stops

$499Air Canada

Find Deal

Mon, Oct 27 - Wed, Nov 12

6:43 pm - 6:10 amSTL-DUB

30h 27m2 stops

9:00 am - 3:29 pmDUB-STL

12h 29m1 stop

$500Air Canada

Find Deal

Mon, Oct 27 - Wed, Nov 12

6:28 pm - 4:25 pmORD-DUB

16h 57m2 stops

5:10 am - 2:55 pmDUB-ORD

15h 45m2 stops

$502Multiple Airlines

Find Deal

Mon, Oct 27 - Wed, Nov 5

8:20 pm - 6:20 pmORD-DUB

17h 00m1 stop

7:00 pm - 4:10 pmDUB-ORD

50h 10m2 stops

$503Scandinavian Airlines

Find Deal

Thu, Mar 19 - Sat, Mar 28

10:30 am - 8:05 amORD-DUB

16h 35m2 stops

1:25 pm - 11:58 pmDUB-ORD

16h 33m2 stops

$504Delta

Find Deal

Wed, Oct 29 - Thu, Nov 6

10:35 am - 8:05 amMDW-DUB

16h 30m2 stops

5:55 am - 6:08 pmDUB-MDW

17h 13m2 stops

$504Delta

Find Deal

Wed, Mar 11 - Wed, Mar 18

1:00 pm - 8:10 amSTL-DUB

13h 10m1 stop

9:00 am - 4:28 pmDUB-STL

37h 28m2 stops

$504United Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

6:00 am - 10:20 amORD-DUB

23h 20m1 stop

9:00 am - 9:13 amDUB-ORD

30h 13m1 stop

$506United Airlines

Find Deal

Mon, Oct 27 - Sun, Nov 9

8:10 pm - 9:25 amORD-DUB

32h 15m1 stop

12:30 pm - 5:45 pmDUB-ORD

34h 15m1 stop

$508Scandinavian Airlines

Find Deal

Fri, Mar 13 - Tue, Mar 17

6:40 am - 11:05 amORD-DUB

22h 25m2 stops

4:15 am - 2:45 pmDUB-ORD

16h 30m1 stop

$517Multiple Airlines

Find Deal

Mon, Oct 20 - Sat, Nov 8

Aer Lingus flights from Illinois to Dublin

Our best Aer Lingus deals on Illinois to Dublin flight tickets

Aer Lingus

Dec 11

ORD3:50 pmChicago O'Hare Intl

7h 20m

DUB5:10 amDublin

Dec 18

DUB3:20 pmDublin

8h 35m

ORD5:55 pmChicago O'Hare Intl

$505

Find similar

Aer Lingus

Nov 7

ORD7:40 pmChicago O'Hare Intl

7h 20m

DUB9:00 amDublin

Nov 14

DUB3:20 pmDublin

8h 35m

ORD5:55 pmChicago O'Hare Intl

$509

Find similar

Aer Lingus

Nov 16

ORD7:40 pmChicago O'Hare Intl

7h 20m

DUB9:00 amDublin

Nov 22

DUB11:30 amDublin

8h 30m

ORD2:00 pmChicago O'Hare Intl

$512

Find similar

United Airlines flights from Illinois to Dublin

Our best United Airlines deals on Illinois to Dublin flight tickets

United Airlines

Dec 3

STL1:00 pmLambert-St Louis

13h 10m

1 stop

DUB8:10 amDublin

Dec 10

DUB9:00 amDublin

37h 28m

2 stops

STL4:28 pmLambert-St Louis

$504

Find similar

United Airlines

Oct 27

ORD6:00 amChicago O'Hare Intl

23h 20m

1 stop

DUB10:20 amDublin

Nov 9

DUB9:00 amDublin

30h 13m

1 stop

ORD9:13 amChicago O'Hare Intl

$506

Find similar

United Airlines

Nov 3

ORD6:05 pmChicago O'Hare Intl

31h 05m

2 stops

DUB7:10 amDublin

Nov 16

DUB9:00 amDublin

35h 25m

2 stops

ORD2:25 pmChicago O'Hare Intl

$507

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 10/27

6:43 pm-6:10 am

2 stops30h 27m

Dublin

Wed 11/12

9:00 am-3:46 pm

2 stops36h 46m

$499

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 10/27

6:43 pm-6:10 am

2 stops30h 27m

Dublin

Wed 11/12

9:00 am-3:29 pm

1 stop12h 29m

$500

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 10/27

6:28 pm-4:25 pm

2 stops16h 57m

Dublin

Wed 11/5

5:10 am-2:55 pm

2 stops15h 45m

$502

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 3/19

8:20 pm-6:20 pm

1 stop17h 00m

Dublin

Sat 3/28

7:00 pm-4:10 pm

2 stops50h 10m

$503

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 10/29

10:30 am-8:05 am

2 stops16h 35m

Dublin

Thu 11/6

1:25 pm-11:58 pm

2 stops16h 33m

$504

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Wed 3/11

10:35 am-8:05 am

2 stops16h 30m

Dublin

Wed 3/18

5:55 am-6:08 pm

2 stops17h 13m

$504

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 12/3

1:00 pm-8:10 am

1 stop13h 10m

Dublin

Wed 12/10

9:00 am-4:28 pm

2 stops37h 28m

$504

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 10/27

6:00 am-10:20 am

1 stop23h 20m

Dublin

Sun 11/9

9:00 am-9:13 am

1 stop30h 13m

$506

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 3/13

8:10 pm-9:25 am

1 stop32h 15m

Dublin

Tue 3/17

12:30 pm-5:45 pm

1 stop34h 15m

$508

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 10/20

6:40 am-11:05 am

2 stops22h 25m

Dublin

Sat 11/8

4:15 am-2:45 pm

1 stop16h 30m

$517

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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 $551. 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 $560.

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 $752. Flights from Illinois to Dublin on a Friday will generally be more expensive and average around $830. 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 $796.

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 $702 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 $653 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 4% 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	$487
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 $487. The best round-trip flight deal from Illinois to Dublin found on momondo in the last 72 hours is $583.

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 September 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 34.02% of the total bookings. Other popular models include Boeing 787 Dreamliner with 18.35%, Airbus A330 with 11.30%, and Boeing 767-300 with 11.09%.

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 2,912 reviews	Search JetBlue flights
Icelandair	PriceFrom $355	Free Cancellation	Rating 7.0 545 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $393	Free Cancellation	Rating 7.1 1,988 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.4 1,492 reviews	Search Scandinavian Airlines flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.5 1,744 reviews	Search SWISS flights
Aer Lingus	PriceFrom $482	Free Cancellation	Rating 7.2 1,296 reviews	Search Aer Lingus flights
British Airways	PriceFrom $498	Free Cancellation	Rating 6.7 7,391 reviews	Search British Airways flights
Iberia	PriceFrom $523	Free Cancellation	Rating 7.0 2,943 reviews	Search Iberia flights
Turkish Airlines	PriceFrom $528	Free Cancellation	Rating 7.3 3,977 reviews	Search Turkish Airlines flights
Air Canada	PriceFrom $535	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights

Kilkenny

Athlone

Swords

Dundalk

Malahide

Maynooth

Bray

Leixlip

Castleknock

Naas

Mullingar

Arklow

Cavan

Drogheda

Enniscorthy

Wicklow

Thurles

Kildare

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

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Cheap flights from Illinois to Dublin from $204

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 10/7. 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

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 $796.

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 4% on your flight if you consider stops on a Illinois to Dublin flight.

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

TAP AIR PORTUGAL 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 September 2025, 17 flights take off from Illinois and land in Dublin each day. The most common flight departure time for this route is 8:00PM, with 79% of daily flights taking off in the evening.

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

As of September 2025, 122 flights take off from Illinois and land in Dublin each week. The most common flight departure day for this route is Mon, 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 32m on average, while flying from Peoria to Dublin is 15h 19m 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