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 return 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>

€193 Cheap Flights from Illinois to Dublin

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

...and more

Travellers love KAYAK

41 299 237 searches in the past 7 days on KAYAK

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

Free to useThere are no hidden charges or fees.

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

Cheapest return fare

€357

Overall average: €470

TAP AIR PORTUGAL

Sun 15/2Thu 26/2

ORD - DUB • 1 stop

Cheapest direct flights

€395

Typical prices: €400-€591

Aer Lingus

Sun 18/1Tue 27/1

ORD - DUB • Direct

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you love your trip to Dublin!

Flight Deals

Cheap Flights from Illinois to Dublin

Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Illinois to Dublin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Round-trip

One-way

Last minute

Direct

Recent return flight deals from Illinois to Dublin

Sun, 15 Feb - Thu, 26 Feb

20:25 - 16:10

ORD

DUB

13h 45m1 stop

04:25 - 15:25

DUB

ORD

17h 00m1 stop

€357TAP AIR PORTUGAL

Sat, 14 Feb - Fri, 20 Feb

19:20 - 16:25

ORD

DUB

15h 05m2 stops

12:30 - 16:45

DUB

ORD

34h 15m1 stop

€358Scandinavian Airlines

Sun, 1 Mar - Sat, 7 Mar

19:20 - 18:20

ORD

DUB

17h 00m1 stop

10:10 - 16:45

DUB

ORD

12h 35m1 stop

€359Scandinavian Airlines

Tue, 13 Jan - Tue, 20 Jan

11:22 - 07:30

STL

DUB

14h 08m1 stop

09:30 - 23:59

DUB

STL

20h 29m1 stop

€368Austrian Airlines

Thu, 1 Jan - Wed, 14 Jan

11:05 - 08:10

STL

DUB

15h 05m1 stop

10:40 - 17:43

DUB

STL

13h 03m1 stop

€369Lufthansa

Mon, 29 Dec - Wed, 14 Jan

18:35 - 08:10

STL

DUB

31h 35m1 stop

09:30 - 23:59

DUB

STL

20h 29m1 stop

€372Lufthansa

Sun, 1 Feb - Sun, 8 Feb

09:49 - 08:10

DEC

DUB

16h 21m1 stop

09:00 - 18:01

DUB

DEC

39h 01m2 stops

€384United Airlines

Sat, 24 Jan - Sat, 31 Jan

11:22 - 07:30

STL

DUB

14h 08m1 stop

09:00 - 14:30

DUB

STL

35h 30m2 stops

€385Multiple Airlines

Sun, 1 Feb - Sun, 8 Feb

09:49 - 07:30

DEC

DUB

15h 41m2 stops

09:00 - 18:01

DUB

DEC

39h 01m2 stops

€389United Airlines

Mon, 20 Apr - Wed, 29 Apr

16:05 - 08:15

STL

DUB

10h 10m1 stop

05:55 - 13:25

DUB

STL

13h 30m1 stop

€389Multiple Airlines

Useful Info

Low season	January
High season	August
Cheapest flight	€193

Best time to beat the crowds (13% less expensive on average)

Most popular time to fly (5% more expensive 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 return 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.

Direct departures

Illinois to Dublin

Monday

ANA, Aegean Airlines, Aer Lingus, +55 more

ANA, Aegean Airlines, +56 more

Tuesday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Wednesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aegean Airlines, Aer Lingus, +59 more

ANA, Aegean Airlines, +60 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +65 more

ANA, Aer Lingus, +66 more

See more direct flights

Direct returns

Dublin to Illinois

Monday

ANA, Aegean Airlines, Aer Lingus, +55 more

ANA, Aegean Airlines, +56 more

Tuesday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Wednesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aegean Airlines, Aer Lingus, +59 more

ANA, Aegean Airlines, +60 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +65 more

ANA, Aer Lingus, +66 more

See more direct flights

Athlone

Cavan

Gorey

Wicklow

Dundalk

Swords

Naas

Kildare

Mullingar

Bray

Tullamore

Enniscorthy

Drogheda

Carlingford

Arklow

Maynooth

Castleknock

Leixlip

Thurles

Malahide

Everything you need to know for your flight to Dublin

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Dublin

Dublin (DUB)

€193 Find Cheap Flights from Illinois to Dublin

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

Everything you should know

Cheap Flights from Illinois to Dublin

Recent return 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 return 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.

Prefer to fly direct from Illinois to Dublin?

Travelling 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 hire

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