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>

€253 CHEAP FLIGHTS from Illinois to Dublin

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Cheap Flight Deals 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.

Round-trip

One-way

Last minute

Direct

Recent return flight deals from Illinois to Dublin

Recommended return deals departing in the coming months from the most popular airlines that fly from Illinois to Dublin.

Discover the best prices and deals for you by selecting your travel dates.

Choose your dates

20:25 - 16:10ORD-DUB

13h 45m1 stop

16:55 - 16:30DUB-ORD

28h 35m1 stop

€411TAP AIR PORTUGAL

Find Deal

Sun, 2 Mar - Tue, 11 Mar

20:25 - 16:10ORD-DUB

13h 45m1 stop

16:55 - 16:30DUB-ORD

28h 35m1 stop

€412TAP AIR PORTUGAL

Find Deal

Sun, 2 Mar - Tue, 11 Mar

19:40 - 18:20ORD-DUB

16h 40m1 stop

11:15 - 18:50DUB-ORD

36h 35m2 stops

€415Scandinavian Airlines

Find Deal

Sun, 2 Mar - Wed, 12 Mar

19:40 - 18:20ORD-DUB

16h 40m1 stop

12:30 - 18:50DUB-ORD

35h 20m1 stop

€416Scandinavian Airlines

Find Deal

Sun, 2 Mar - Wed, 12 Mar

11:35 - 07:10ORD-DUB

13h 35m2 stops

08:00 - 19:55DUB-ORD

16h 55m2 stops

€464Air Canada

Find Deal

Sun, 2 Mar - Wed, 12 Mar

19:40 - 09:00ORD-DUB

7h 20mdirect

11:30 - 15:00DUB-ORD

8h 30mdirect

€468Aer Lingus

Find Deal

Sun, 2 Mar - Tue, 11 Mar

07:20 - 07:10ORD-DUB

17h 50m2 stops

08:00 - 19:55DUB-ORD

16h 55m2 stops

€470Air Canada

Find Deal

Sun, 2 Mar - Wed, 12 Mar

19:40 - 09:00ORD-DUB

7h 20mdirect

11:30 - 15:00DUB-ORD

8h 30mdirect

€475Aer Lingus

Find Deal

Sun, 2 Mar - Wed, 12 Mar

19:30 - 11:05ORD-DUB

9h 35m1 stop

12:15 - 18:20DUB-ORD

12h 05m1 stop

€479Icelandair

Find Deal

Wed, 2 Apr - Tue, 8 Apr

22:15 - 11:05ORD-DUB

30h 50m1 stop

12:15 - 18:15DUB-ORD

12h 00m1 stop

€552Icelandair

Find Deal

Wed, 30 Apr - Wed, 14 May

Low season	January
High season	September
Cheapest flight	€253

Best time to beat the crowds (18% less expensive on average)

Most popular time to fly and prices are also 9% 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 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.

See more FAQs

Direct departures

Illinois to Dublin

Monday

ANA, Aegean Airlines, Aer Lingus, +60 more

ANA, Aegean Airlines, +61 more

Tuesday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Wednesday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

Thursday

ANA, Aer Lingus, Aeromexico, +63 more

ANA, Aer Lingus, +64 more

Friday

ANA, Aegean Airlines, Aer Lingus, +59 more

ANA, Aegean Airlines, +60 more

Saturday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Sunday

ANA, Aer Lingus, Aeromexico, +63 more

ANA, Aer Lingus, +64 more

See more direct flights

Direct returns

Dublin to Illinois

Monday

ANA, Aegean Airlines, Aer Lingus, +60 more

ANA, Aegean Airlines, +61 more

Tuesday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Wednesday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

Thursday

ANA, Aer Lingus, Aeromexico, +63 more

ANA, Aer Lingus, +64 more

Friday

ANA, Aegean Airlines, Aer Lingus, +59 more

ANA, Aegean Airlines, +60 more

Saturday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Sunday

ANA, Aer Lingus, Aeromexico, +63 more

ANA, Aer Lingus, +64 more

See more direct flights

Athlone

Cavan

Gorey

Wicklow

Mullingar

Swords

Dundalk

Naas

Bray

Tullamore

Kildare

Drogheda

Arklow

Enniscorthy

Castleknock

Maynooth

Carlingford

Leixlip

Portmarnock

Thurles

Everything you need to know for your flight to Dublin

Information on the airport you'll fly into in Dublin

Dublin (DUB)

Flights to other popular destinations

Flights from domestic origins to Dublin

Flights from Champaign to Dublinfrom €1,083

Flights from Chicago O'Hare Intl Airport to Dublin

Flights from Chicago to Dublinfrom €413

Flights from Decatur to Dublinfrom €1,148

Flights from Evansville to Dublinfrom €561

Flights from Paducah to Dublinfrom €1,878

Flights from St. Louis to Dublinfrom €488

€253 Find Cheap Flights from Illinois to Dublin

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dublin departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

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

Cheap Flight Deals 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

Low season

High season

Cheapest flight

FAQs for booking flights from Illinois to Dublin

How does KAYAK find such low prices 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?

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

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

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

Cabin classes available on flights to Dublin. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from domestic origins to Dublin

Flights from all regions of Illinois to Dublin. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Choose which airport to fly into in Dublin

Find deals for your return flight