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>

€178 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

€325

Typical prices: €512-€897

Lufthansa

Tue 13/1Tue 20/1

STL - DUB • 1 stop

Cheapest direct flights

€380

Typical prices: €550-€755

Brussels Airlines

Tue 28/4Tue 5/5

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

Tue, 13 Jan - Tue, 20 Jan

11:22 - 07:30STL-DUB

14h 08m1 stop

10:40 - 22:58DUB-STL

18h 18m1 stop

€325Lufthansa

Find Deal

Tue, 13 Jan - Tue, 20 Jan

11:22 - 07:30STL-DUB

14h 08m1 stop

09:30 - 23:59DUB-STL

20h 29m1 stop

€328Austrian Airlines

Find Deal

Tue, 13 Jan - Tue, 20 Jan

15:20 - 14:20STL-DUB

17h 00m2 stops

08:50 - 19:29DUB-STL

16h 39m2 stops

€354British Airways

Find Deal

Wed, 21 Jan - Wed, 28 Jan

16:05 - 17:45STL-DUB

19h 40m2 stops

09:00 - 15:29DUB-STL

12h 29m1 stop

€359Multiple Airlines

Find Deal

Tue, 28 Apr - Thu, 7 May

07:45 - 09:45STL-DUB

20h 00m1 stop

09:50 - 19:30DUB-STL

15h 40m1 stop

€362United Airlines

Find Deal

Tue, 13 Jan - Tue, 20 Jan

14:54 - 10:15STL-DUB

13h 21m2 stops

11:30 - 22:44DUB-STL

17h 14m1 stop

€364American Airlines

Find Deal

Wed, 8 Apr - Thu, 16 Apr

10:00 - 07:20STL-DUB

15h 20m2 stops

09:50 - 15:24DUB-STL

11h 34m1 stop

€366United Airlines

Find Deal

Tue, 10 Feb - Thu, 19 Feb

14:54 - 10:15STL-DUB

13h 21m2 stops

11:30 - 21:41DUB-STL

16h 11m2 stops

€367American Airlines

Find Deal

Wed, 14 Jan - Tue, 20 Jan

16:14 - 14:05ORD-DUB

15h 51m2 stops

08:50 - 17:00DUB-ORD

14h 10m1 stop

€375British Airways

Find Deal

Wed, 8 Apr - Mon, 27 Apr

14:00 - 08:15ORD-DUB

12h 15m1 stop

18:40 - 15:55DUB-ORD

27h 15m1 stop

€377Multiple Airlines

Find Deal

Useful Info

Low season	January
High season	August
Cheapest flight	€178

Best time to beat the crowds (9% less expensive on average)

Most popular time to fly (4% 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, +60 more

ANA, Aegean Airlines, +61 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, +60 more

ANA, Aegean Airlines, +61 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

Naas

Swords

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)

€178 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