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

TAP AIR PORTUGAL and WestJet are the most popular carriers 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 29m on average, while flying from Peoria to Dublin is 14h 15m 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 2025, 16 flights take off from Illinois and land in Dublin each day. The most common flight departure time for this route is 8:00PM, with 81% of daily flights taking off in the evening.

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

As of August 2025, 114 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.

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 August 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.

$211 Cheap Flights from Illinois to Dublin in 2025

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Find the cheapest flights from Illinois to Dublin

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:30 am - 8:10 amSTL-DUB

19h 40m1 stop

9:00 am - 3:29 pmDUB-STL

12h 29m1 stop

$397United Airlines

Find Deal

Tue, Nov 18 - Wed, Nov 26

6:30 am - 7:10 amSTL-DUB

18h 40m2 stops

9:00 am - 3:29 pmDUB-STL

12h 29m1 stop

$399Air Canada

Find Deal

Tue, Nov 18 - Wed, Nov 26

8:15 pm - 11:20 pmORD-DUB

21h 05m1 stop

4:25 am - 3:15 pmDUB-ORD

16h 50m1 stop

$402TAP AIR PORTUGAL

Find Deal

Fri, Nov 7 - Thu, Nov 13

6:00 pm - 11:20 amORD-DUB

35h 20m1 stop

4:55 pm - 3:00 pmDUB-ORD

28h 05m1 stop

$407TAP AIR PORTUGAL

Find Deal

Fri, Oct 24 - Tue, Nov 4

7:20 pm - 9:25 amORD-DUB

32h 05m1 stop

6:55 pm - 4:45 pmDUB-ORD

27h 50m2 stops

$408Scandinavian Airlines

Find Deal

Fri, Nov 7 - Fri, Nov 14

10:36 am - 6:30 amSTL-DUB

13h 54m1 stop

11:30 am - 8:55 pmDUB-STL

15h 25m1 stop

$408Iberia

Find Deal

Tue, Oct 21 - Wed, Nov 5

7:20 pm - 6:20 pmORD-DUB

17h 00m1 stop

10:10 am - 4:45 pmDUB-ORD

12h 35m1 stop

$409Scandinavian Airlines

Find Deal

Mon, Nov 10 - Sat, Nov 15

5:11 am - 7:10 amSTL-DUB

20h 59m1 stop

11:30 am - 5:37 pmDUB-STL

12h 07m1 stop

$415

Find Deal

Sun, Oct 26 - Thu, Nov 6

7:01 am - 7:10 amSTL-DUB

19h 09m1 stop

11:30 am - 12:05 amDUB-STL

18h 35m2 stops

$419

Find Deal

Sun, Oct 26 - Thu, Nov 6

11:51 am - 8:55 amSTL-DUB

15h 04m2 stops

12:55 pm - 10:29 pmDUB-STL

15h 34m1 stop

$475Iberia

Find Deal

Wed, Nov 5 - Sun, Nov 9

United Airlines flights from Illinois to Dublin

Our best United Airlines deals on Illinois to Dublin flight tickets

United Airlines

Nov 18

STL6:30 amLambert-St Louis

19h 40m

1 stop

DUB8:10 amDublin

Nov 26

DUB9:00 amDublin

12h 29m

1 stop

STL3:29 pmLambert-St Louis

$397

Find similar

United Airlines

Nov 18

STL3:14 pmLambert-St Louis

10h 56m

1 stop

DUB8:10 amDublin

Nov 26

DUB9:00 amDublin

20h 44m

2 stops

STL11:44 pmLambert-St Louis

$407

Find similar

United Airlines

Oct 21

STL4:05 pmLambert-St Louis

10h 10m

1 stop

DUB8:15 amDublin

Nov 5

DUB9:00 amDublin

20h 44m

2 stops

STL11:44 pmLambert-St Louis

$409

Find similar

Air Canada flights from Illinois to Dublin

Our best Air Canada deals on Illinois to Dublin flight tickets

Air Canada

Nov 18

STL6:30 amLambert-St Louis

18h 40m

2 stops

DUB7:10 amDublin

Nov 26

DUB9:00 amDublin

12h 29m

1 stop

STL3:29 pmLambert-St Louis

$399

Find similar

Air Canada

Oct 21

STL4:05 pmLambert-St Louis

10h 10m

1 stop

DUB8:15 amDublin

Nov 5

DUB9:00 amDublin

35h 25m

2 stops

STL2:25 pmLambert-St Louis

$414

Find similar

Air Canada

Aug 17

STL1:30 pmLambert-St Louis

12h 15m

1 stop

DUB7:45 amDublin

Sep 2

DUB9:20 amDublin

16h 37m

1 stop

STL7:57 pmLambert-St Louis

$439

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/18

6:30 am-8:10 am

1 stop19h 40m

Dublin

Wed 11/26

9:00 am-3:29 pm

1 stop12h 29m

$397

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/18

6:30 am-7:10 am

2 stops18h 40m

Dublin

Wed 11/26

9:00 am-3:29 pm

1 stop12h 29m

$399

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 11/7

8:15 pm-11:20 pm

1 stop21h 05m

Dublin

Thu 11/13

4:25 am-3:15 pm

1 stop16h 50m

$402

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 10/24

6:00 pm-11:20 am

1 stop35h 20m

Dublin

Tue 11/4

4:55 pm-3:00 pm

1 stop28h 05m

$407

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 11/7

7:20 pm-9:25 am

1 stop32h 05m

Dublin

Fri 11/14

6:55 pm-4:45 pm

2 stops27h 50m

$408

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 10/21

10:36 am-6:30 am

1 stop13h 54m

Dublin

Wed 11/5

11:30 am-8:55 pm

1 stop15h 25m

$408

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 11/10

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

Sat 11/15

10:10 am-4:45 pm

1 stop12h 35m

$409

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 10/26

5:11 am-7:10 am

1 stop20h 59m

Dublin

Thu 11/6

11:30 am-5:37 pm

1 stop12h 07m

$415

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 10/26

7:01 am-7:10 am

1 stop19h 09m

Dublin

Thu 11/6

11:30 am-12:05 am

2 stops18h 35m

$419

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 11/5

11:51 am-8:55 am

2 stops15h 04m

Dublin

Sun 11/9

12:55 pm-10:29 pm

1 stop15h 34m

$475

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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 $545. 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 $547.

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 $745. Flights from Illinois to Dublin on a Friday will generally be more expensive and average around $820. 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 $783.

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 $691 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 $630 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 32% 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	$211
Fastest flight time	9h 41m
Direct flights	Every day
Airports in Dublin	1 airport

The best one-way flight to Dublin from Illinois in the past 72 hours is $211. The best round-trip flight deal from Illinois to Dublin found on momondo in the last 72 hours is $397.

The fastest flight from Illinois to Dublin takes 9h 41m

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 August 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 48.01% of the total bookings. Other popular models include Boeing 787 Dreamliner with 16.71%, Airbus A330 with 11.91%, and Boeing 787-10 Dreamliner with 4.05%.

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 2,915 reviews	Search JetBlue flights
Icelandair	PriceFrom $354	Free Cancellation	Rating 7.0 524 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $394	Free Cancellation	Rating 7.1 1,942 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.3 1,461 reviews	Search Scandinavian Airlines flights
Aer Lingus	PriceFrom $454	Free Cancellation	Rating 7.1 1,197 reviews	Search Aer Lingus flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.5 1,687 reviews	Search SWISS flights
Iberia	PriceFrom $512	Free Cancellation	Rating 7.0 2,865 reviews	Search Iberia flights
United Airlines	PriceFrom $513	Free Cancellation	Rating 7.4 8,912 reviews	Search United Airlines flights
British Airways	PriceFrom $524	Free Cancellation	Rating 6.6 7,235 reviews	Search British Airways flights
Finnair	PriceFrom $526	Free Cancellation	Rating 7.6 1,319 reviews	Search Finnair flights

Kilkenny

Swords

Athlone

Dundalk

Maynooth

Malahide

Leixlip

Bray

Castleknock

Kildare

Naas

Mullingar

Arklow

Cavan

Enniscorthy

Wicklow

Tullamore

Drogheda

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

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Cheap flights from Illinois to Dublin from $211

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 10/24. 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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Big names and deals

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Filter for what you want

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Find the cheapest flights from Illinois to Dublin

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United Airlines flights from Illinois to Dublin

Our best United Airlines deals on Illinois to Dublin flight tickets

Air Canada flights from Illinois to Dublin

Our best Air Canada 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 $783.

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 32% 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 WestJet 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 August 2025, 16 flights take off from Illinois and land in Dublin each day. The most common flight departure time for this route is 8:00PM, with 81% of daily flights taking off in the evening.

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

As of August 2025, 114 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 29m on average, while flying from Peoria to Dublin is 14h 15m 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