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

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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

Fri, 7 Nov - Sat, 15 Nov

20:15 - 23:20ORD-DUB

21h 05m1 stop

04:15 - 15:00DUB-ORD

16h 45m1 stop

€413TAP AIR PORTUGAL

Find Deal

Thu, 2 Oct - Sat, 11 Oct

19:15 - 19:15ORD-DUB

42h 00m2 stops

20:05 - 16:10DUB-ORD

26h 05m2 stops

€414Scandinavian Airlines

Find Deal

Mon, 1 Sep - Tue, 9 Sep

21:15 - 10:40ORD-DUB

7h 25mdirect

11:35 - 14:00DUB-ORD

8h 25mdirect

€417Aer Lingus

Find Deal

Fri, 17 Oct - Sun, 2 Nov

22:15 - 11:05ORD-DUB

30h 50m1 stop

11:30 - 17:20DUB-ORD

11h 50m1 stop

€421Icelandair

Find Deal

Mon, 1 Sep - Tue, 9 Sep

15:45 - 05:10ORD-DUB

7h 25mdirect

11:35 - 14:00DUB-ORD

8h 25mdirect

€422Aer Lingus

Find Deal

Wed, 22 Oct - Sat, 1 Nov

19:25 - 13:15ORD-DUB

11h 50m1 stop

11:30 - 18:20DUB-ORD

11h 50m1 stop

€422Icelandair

Find Deal

Tue, 28 Oct - Fri, 21 Nov

06:00 - 10:20ORD-DUB

23h 20m1 stop

09:00 - 09:13DUB-ORD

30h 13m1 stop

€434United Airlines

Find Deal

Sat, 3 Jan - Fri, 16 Jan

18:35 - 07:10STL-DUB

30h 35m2 stops

09:00 - 12:20DUB-STL

33h 20m2 stops

€439United Airlines

Find Deal

Tue, 28 Oct - Tue, 11 Nov

19:25 - 12:10ORD-DUB

11h 45m1 stop

11:30 - 19:34DUB-ORD

14h 04m1 stop

€444

Find Deal

Tue, 28 Oct - Tue, 18 Nov

19:35 - 08:10ORD-DUB

7h 35mdirect

05:00 - 13:10DUB-ORD

14h 10m1 stop

€446

Find Deal

Useful Info

Low season	January
High season	August
Cheapest flight	€178

Best time to beat the crowds (15% 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, +69 more

ANA, Aegean Airlines, +70 more

Tuesday

ANA, Aer Lingus, Aeromexico, +68 more

ANA, Aer Lingus, +69 more

Wednesday

ANA, Aegean Airlines, Aer Lingus, +68 more

ANA, Aegean Airlines, +69 more

Thursday

ANA, Aer Lingus, Aeromexico, +71 more

ANA, Aer Lingus, +72 more

Friday

ANA, Aegean Airlines, Aer Lingus, +68 more

ANA, Aegean Airlines, +69 more

Saturday

ANA, Aer Lingus, Aeromexico, +66 more

ANA, Aer Lingus, +67 more

Sunday

ANA, Aer Lingus, Aeromexico, +72 more

ANA, Aer Lingus, +73 more

See more direct flights

Direct returns

Dublin to Illinois

Monday

ANA, Aegean Airlines, Aer Lingus, +69 more

ANA, Aegean Airlines, +70 more

Tuesday

ANA, Aer Lingus, Aeromexico, +68 more

ANA, Aer Lingus, +69 more

Wednesday

ANA, Aegean Airlines, Aer Lingus, +68 more

ANA, Aegean Airlines, +69 more

Thursday

ANA, Aer Lingus, Aeromexico, +71 more

ANA, Aer Lingus, +72 more

Friday

ANA, Aegean Airlines, Aer Lingus, +68 more

ANA, Aegean Airlines, +69 more

Saturday

ANA, Aer Lingus, Aeromexico, +66 more

ANA, Aer Lingus, +67 more

Sunday

ANA, Aer Lingus, Aeromexico, +72 more

ANA, Aer Lingus, +73 more

See more direct flights

Athlone

Cavan

Wicklow

Dundalk

Gorey

Swords

Mullingar

Naas

Bray

Kildare

Tullamore

Drogheda

Arklow

Enniscorthy

Carlingford

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)

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

€178 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

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