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€253 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 6/4. 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

€253
Best time to beat the crowds (20% less expensive on average)
Most popular time to fly (7% 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

2/3Sun
1 stopSWISS
19h 40mORD-DUB
11/3Tue
1 stopSWISS
27h 35mDUB-ORD
€391
2/4Wed
1 stopTAP AIR PORTUGAL
34h 00mORD-DUB
15/4Tue
1 stopTAP AIR PORTUGAL
27h 20mDUB-ORD
€406
13/4Sun
1 stopScandinavian Airlines
34h 35mORD-DUB
23/4Wed
2 stopsScandinavian Airlines
34h 25mDUB-ORD
€413
30/3Sun
1 stopScandinavian Airlines
16h 10mORD-DUB
13/4Sun
1 stopScandinavian Airlines
29h 10mDUB-ORD
€415
24/3Mon
1 stopAmerican Airlines
10h 45mORD-DUB
2/4Wed
1 stopAmerican Airlines
11h 39mDUB-ORD
€489
10/3Mon
1 stopAmerican Airlines
11h 00mORD-SNN
19/3Wed
1 stopAmerican Airlines
14h 55mSNN-ORD
€495
11/3Tue
1 stopBritish Airways
13h 05mORD-DUB
18/3Tue
1 stopBritish Airways
13h 50mDUB-ORD
€496
24/3Mon
1 stopAir Canada
28h 40mORD-DUB
2/4Wed
1 stopAir Canada
15h 40mDUB-ORD
€506
24/3Mon
1 stopAir Canada
27h 58mORD-DUB
2/4Wed
1 stopAir Canada
28h 13mDUB-ORD
€509
29/3Sat
1 stopBritish Airways
19h 25mORD-DUB
5/4Sat
1 stopBritish Airways
14h 25mDUB-ORD
€566

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Recent one-way flight deals

6/4Sun
2 stops
31h 31mORD-DUB
€253
6/4Sun
2 stops
46h 29mMDW-DUB
€274
25/2Tue
1 stopIcelandair
9h 45mORD-DUB
€281
5/3Wed
1 stopTAP AIR PORTUGAL
22h 05mORD-DUB
€323
23/4Wed
1 stopTAP AIR PORTUGAL
24h 05mORD-DUB
€324
16/5Fri
1 stopWestJet
35h 20mORD-DUB
€342
26/2Wed
1 stopIcelandair
9h 45mORD-DUB
€350
28/4Mon
1 stopScandinavian Airlines
34h 35mORD-DUB
€361
22/4Tue
1 stopScandinavian Airlines
17h 00mORD-DUB
€363
16/5Fri
2 stopsWestJet
34h 30mORD-DUB
€379

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Last minute flights from Illinois to Ireland

Last minute flight, train and bus deals

21/2Fri
multi-stopTAP AIR PORTUGAL
21h 00mORD-DUB
1/3Sat
multi-stopTAP AIR PORTUGAL
17h 15mDUB-ORD
€485
21/2Fri
multi-stopTAP AIR PORTUGAL
21h 00mORD-DUB
1/3Sat
multi-stopTAP AIR PORTUGAL
28h 35mDUB-ORD
€501
25/2Tue
multi-stopIcelandair
9h 45mORD-DUB
4/3Tue
multi-stopIcelandair
11h 50mDUB-ORD
€561
25/2Tue
multi-stop
23h 00mORD-DUB
4/3Tue
multi-stop
26h 14mDUB-ORD
€566
25/2Tue
multi-stop
14h 06mORD-DUB
4/3Tue
multi-stop
15h 45mDUB-ORD
€573
25/2Tue
multi-stopKLM
16h 48mMDW-DUB
4/3Tue
multi-stopKLM
16h 20mDUB-MDW
€582
25/2Tue
multi-stopDelta
15h 48mMDW-DUB
4/3Tue
multi-stopDelta
16h 20mDUB-MDW
€586
24/2Mon
multi-stopIcelandair
9h 45mORD-DUB
28/2Fri
multi-stopIcelandair
11h 50mDUB-ORD
€609
21/2Fri
multi-stopKLM
23h 40mORD-DUB
27/2Thu
multi-stopKLM
27h 05mDUB-ORD
€814
21/2Fri
multi-stopDelta
16h 32mMDW-DUB
26/2Wed
multi-stopDelta
16h 20mDUB-MDW
€846

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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 €2,488
Prem Econ Class Flights to Ireland
Economy class Flights to Irelandfrom €588

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