How does KAYAK find such low prices on flights from Illinois to Dublin?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Dublin. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Dublin?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Dublin?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dublin with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Dublin?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$224 CHEAP FLIGHTS from Illinois to Dublin

DUB

KAYAK searches hundreds of travel sites at once for deals on flights to Dublin

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals

Cheap Flights from Illinois to Dublin

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Dublin

Tue, Sep 8 - Tue, Sep 15

8:55 am - 5:10 am

STL

DUB

14h 15m

1 stop

1:20 pm - 2:00 pm

DUB

STL

30h 40m

1 stop

$325Aer Lingus

Sun, Sep 6 - Wed, Sep 16

8:55 am - 5:10 am

STL

DUB

14h 15m

1 stop

1:20 pm - 2:00 pm

DUB

STL

30h 40m

1 stop

$326Aer Lingus

Tue, Sep 1 - Tue, Sep 8

8:55 am - 5:10 am

STL

DUB

14h 15m

1 stop

1:20 pm - 8:00 pm

DUB

STL

12h 40m

1 stop

$335Aer Lingus

Sun, Oct 25 - Sat, Oct 31

8:15 pm - 6:20 pm

ORD

DUB

17h 05m

1 stop

7:05 pm - 5:45 pm

DUB

ORD

27h 40m

1 stop

$597Scandinavian Airlines

Sat, Oct 31 - Sat, Nov 7

8:15 pm - 6:20 pm

ORD

DUB

17h 05m

1 stop

7:05 pm - 4:45 pm

DUB

ORD

27h 40m

1 stop

$603Scandinavian Airlines

Tue, Jun 16 - Tue, Jun 23

10:15 am - 9:20 am

MDW

DUB

17h 05m

1 stop

10:10 am - 9:40 am

DUB

MDW

29h 30m

2 stops

$610Multiple Airlines

Fri, Nov 6 - Tue, Nov 10

6:30 pm - 10:15 am

ORD

DUB

9h 45m

1 stop

11:30 am - 5:20 pm

DUB

ORD

11h 50m

1 stop

$617Icelandair

Tue, Jun 16 - Tue, Jun 23

10:15 am - 9:20 am

MDW

DUB

17h 05m

1 stop

10:10 am - 9:40 am

DUB

MDW

29h 30m

2 stops

$618Multiple Airlines

Tue, Oct 20 - Fri, Nov 6

6:06 pm - 2:35 pm

EVV

DUB

14h 29m

2 stops

11:30 am - 11:30 pm

DUB

EVV

18h 00m

2 stops

$701American Airlines

Fri, Jul 31 - Wed, Aug 5

6:28 pm - 11:50 am

CMI

DUB

11h 22m

1 stop

11:45 am - 8:27 pm

DUB

CMI

14h 42m

2 stops

$1,044American Airlines

Useful Info

Low season	January
High season	August
Cheapest flight	$224

Best time to beat the crowds with an average 21% drop in price.

Most popular time to fly and prices are also 6% lower on average.

Flight from Chicago O'Hare Airport to Dublin

How does KAYAK find such low prices on flights from Illinois to Dublin?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Dublin.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Dublin?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Dublin?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dublin with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Dublin?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Swords

Athlone

Malahide

Wicklow

Kildare

Dundalk

Castleknock

Maynooth

Cavan

Drogheda

Naas

Portmarnock

Mullingar

Gorey

Tullamore

Enniscorthy

Leixlip

Carlingford

Slane

Thurles

Everything you need to know for your flight to Dublin

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Dublin

Dublin (DUB)

DUB

$224 Find Cheap Flights from Illinois to Dublin

KAYAK searches hundreds of travel sites at once for deals on flights to Dublin

Cheap Flights from Illinois to Dublin

Recent round-trip flight deals from Illinois to Dublin

Recent one-way flight deals from Illinois to Dublin

Recent last minute flight deals from Illinois to Dublin

Recent direct flight deals from Illinois to Dublin

Good to know

FAQs for booking flights from Illinois to Dublin

How does KAYAK find such low prices on flights from Illinois to Dublin?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Dublin.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Dublin?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Dublin?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dublin with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Dublin?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Dublin?

Everything you need to know for your flight to Dublin

Information on the airport you'll fly into in Dublin

Cabin class types available on flights to Illinois

Complete your trip to Dublin with a hotel stay or car rental

Find direct flights for Dublin

Flights to other popular destinations

Flights from domestic origins to Dublin

Choose which airport to fly into in Dublin

Find deals for your return flight