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€244 Find Cheap Flights from Illinois to Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Illinois to Ireland departing on 9/2. 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.
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Good to know

Low season

January

High season

August

Cheapest flight

€244
Best time to beat the crowds (21% less expensive on average)
Most popular time to fly (10% more expensive on average)
Flight from Chicago O'Hare Airport to Dublin

FAQs for booking flights from Illinois to Ireland

  • How does KAYAK find such low prices on flights from Illinois to Ireland?

    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 Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

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

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Illinois to Ireland with an airline and back with another airline.

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

    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 from Illinois to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Illinois to Ireland

Recent return flight deals

7/2pt.
1 stopTAP AIR PORTUGAL
13h 50mORD-DUB
20/2czw.
1 stopTAP AIR PORTUGAL
17h 05mDUB-ORD
€392
21/2pt.
1 stopTAP AIR PORTUGAL
21h 00mORD-DUB
1/3sob.
1 stopTAP AIR PORTUGAL
17h 15mDUB-ORD
€393
2/4śr.
1 stopIcelandair
9h 35mORD-DUB
7/4pon.
1 stopIcelandair
12h 05mDUB-ORD
€412
1/4wt.
1 stopIcelandair
9h 35mORD-DUB
8/4wt.
1 stopIcelandair
12h 05mDUB-ORD
€416
7/4pon.
1 stopScandinavian Airlines
17h 00mORD-DUB
16/4śr.
1 stopScandinavian Airlines
27h 05mDUB-ORD
€420
2/2ndz.
directAer Lingus
7h 15mORD-DUB
11/2wt.
directAer Lingus
8h 35mDUB-ORD
€421
26/1ndz.
directAer Lingus
7h 15mORD-DUB
4/2wt.
directAer Lingus
8h 35mDUB-ORD
€424
31/3pon.
1 stopScandinavian Airlines
17h 00mORD-DUB
14/4pon.
1 stopScandinavian Airlines
27h 05mDUB-ORD
€425
29/1śr.
1 stopIberia
9h 20mORD-DUB
5/2śr.
1 stopIberia
11h 59mDUB-ORD
€432
4/3wt.
1 stopIberia
9h 22mORD-DUB
11/3wt.
1 stopIberia
13h 42mDUB-ORD
€439

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Recent one-way flight deals

9/2ndz.
2 stops
34h 40mORD-DUB
€244
9/2ndz.
2 stops
34h 40mORD-DUB
€245
25/2wt.
1 stopIcelandair
9h 45mORD-DUB
€291
12/2śr.
1 stopIcelandair
9h 45mORD-DUB
€292
4/5ndz.
1 stopTAP AIR PORTUGAL
18h 05mORD-DUB
€329
9/2ndz.
1 stopTAP AIR PORTUGAL
13h 45mORD-DUB
€333
24/3pon.
1 stopScandinavian Airlines
34h 00mORD-DUB
€353
17/2pon.
1 stopBritish Airways
13h 35mORD-DUB
€382
13/2czw.
1 stopScandinavian Airlines
31h 45mORD-DUB
€416
13/2czw.
1 stopBritish Airways
10h 50mORD-DUB
€433

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Last minute flights from Illinois to Ireland

Last minute flight, train and bus deals

19/1ndz.
multi-stopTAP AIR PORTUGAL
13h 45mORD-DUB
21/1wt.
multi-stopTAP AIR PORTUGAL
28h 35mDUB-ORD
€428
19/1ndz.
multi-stopTAP AIR PORTUGAL
13h 45mORD-DUB
20/5wt.
multi-stopTAP AIR PORTUGAL
27h 15mDUB-ORD
€476
20/1pon.
multi-stop
22h 30mORD-DUB
27/1pon.
multi-stop
15h 35mDUB-ORD
€563
19/1ndz.
directAer Lingus
7h 15mORD-DUB
29/1śr.
directAer Lingus
8h 35mDUB-ORD
€600
19/1ndz.
directAer Lingus
7h 15mORD-DUB
20/5wt.
directAer Lingus
8h 25mDUB-ORD
€603
20/1pon.
multi-stop
22h 30mORD-DUB
26/1ndz.
multi-stop
33h 05mDUB-ORD
€619
19/1ndz.
multi-stopIcelandair
9h 45mORD-DUB
29/1śr.
multi-stopIcelandair
11h 50mDUB-ORD
€639
20/1pon.
multi-stopIcelandair
9h 45mORD-DUB
24/1pt.
multi-stopIcelandair
11h 50mDUB-ORD
€645
18/1sob.
multi-stopScandinavian Airlines
20h 10mORD-DUB
20/5wt.
multi-stopScandinavian Airlines
58h 25mDUB-ORD
€705
18/1sob.
multi-stopScandinavian Airlines
33h 15mORD-DUB
20/5wt.
multi-stopScandinavian Airlines
58h 25mDUB-ORD
€770

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Everything you need to know for your flight to Ireland

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class Flights to Ireland
Business Class Flights to Irelandfrom €2,527
Prem Econ Class Flights to Ireland
Economy class Flights to Irelandfrom €546

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