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>

€186 CHEAP FLIGHTS from Illinois to Dublin

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

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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

Wed, 3 Dec - Wed, 10 Dec

16:32 - 08:45STL-DUB

10h 13m1 stop

09:45 - 18:33DUB-STL

14h 48m1 stop

€367KLM

Find Deal

Wed, 3 Dec - Tue, 23 Dec

16:32 - 08:45STL-DUB

10h 13m1 stop

09:45 - 22:16DUB-STL

18h 31m1 stop

€375Delta

Find Deal

Thu, 13 Nov - Thu, 20 Nov

16:30 - 08:45STL-DUB

10h 15m1 stop

10:45 - 16:33DUB-STL

11h 48m1 stop

€388Multiple Airlines

Find Deal

Mon, 1 Dec - Mon, 8 Dec

17:24 - 08:10STL-DUB

32h 46m1 stop

09:00 - 16:28DUB-STL

37h 28m2 stops

€394United Airlines

Find Deal

Mon, 1 Dec - Sun, 7 Dec

18:43 - 10:20STL-DUB

33h 37m2 stops

09:00 - 12:15DUB-STL

33h 15m2 stops

€399United Airlines

Find Deal

Wed, 12 Nov - Wed, 21 Jan

15:50 - 11:00STL-DUB

13h 10m1 stop

09:00 - 15:29DUB-STL

12h 29m1 stop

€405Multiple Airlines

Find Deal

Tue, 9 Dec - Sun, 14 Dec

15:50 - 05:10ORD-DUB

7h 20mdirect

15:20 - 17:55DUB-ORD

8h 35mdirect

€407Aer Lingus

Find Deal

Sat, 31 Jan - Thu, 12 Feb

12:06 - 09:50STL-DUB

15h 44m2 stops

13:10 - 23:30DUB-STL

16h 20m2 stops

€407British Airways

Find Deal

Fri, 6 Mar - Wed, 11 Mar

21:00 - 10:20ORD-DUB

7h 20mdirect

11:30 - 15:00DUB-ORD

8h 30mdirect

€428Aer Lingus

Find Deal

Fri, 14 Nov - Mon, 17 Nov

21:45 - 15:05ORD-DUB

11h 20m1 stop

20:40 - 13:50DUB-ORD

23h 10m1 stop

€433British Airways

Find Deal

Cheapest return fare

€367

Typical prices: €615-€1,136

KLM

Wed 3/12Wed 10/12

STL - DUB • 1 stop

Cheapest direct flights

€407

Typical prices: €536-€992

United Airlines

Tue 9/12Thu 18/12

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!

Useful Info

Low season	January
High season	May
Cheapest flight	€186

Best time to beat the crowds (16% less expensive on average)

Most popular time to fly (7% 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, +58 more

ANA, Aegean Airlines, +59 more

Tuesday

ANA, Aer Lingus, Aeromexico, +63 more

ANA, Aer Lingus, +64 more

Wednesday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 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, +58 more

ANA, Aegean Airlines, +59 more

Tuesday

ANA, Aer Lingus, Aeromexico, +63 more

ANA, Aer Lingus, +64 more

Wednesday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 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

Swords

Kildare

Naas

Mullingar

Bray

Tullamore

Drogheda

Enniscorthy

Carlingford

Arklow

Maynooth

Castleknock

Leixlip

Thurles

Portmarnock

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)

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.

€186 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 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

Everything you should know

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