€212 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 20/1. 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.
1 adult
0 bags

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In the last 7 days, travellers have searched 47,107,125 times on KAYAK, and here's why:

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Good to know

Low season

January

High season

September

Cheapest flight

€212
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly and prices are also 15% lower 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 to Ireland 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 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 to Ireland 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 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 to Ireland from Illinois 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

16/2Sun
1 stopTAP AIR PORTUGAL
13h 45mORD-DUB
4/3Tue
1 stopTAP AIR PORTUGAL
28h 35mDUB-ORD
€337
19/1Sun
1 stopTAP AIR PORTUGAL
13h 45mORD-DUB
25/1Sat
1 stopTAP AIR PORTUGAL
28h 35mDUB-ORD
€338
5/2Wed
1 stopIcelandair
9h 45mORD-DUB
13/2Thu
1 stopIcelandair
11h 50mDUB-ORD
€364
8/2Sat
1 stopIcelandair
9h 45mORD-DUB
13/2Thu
1 stopIcelandair
11h 50mDUB-ORD
€373
2/2Sun
1 stopScandinavian Airlines
34h 30mORD-DUB
9/2Sun
1 stopScandinavian Airlines
35h 40mDUB-ORD
€384
7/4Mon
1 stopScandinavian Airlines
34h 35mORD-DUB
16/4Wed
1 stopScandinavian Airlines
27h 05mDUB-ORD
€393
23/3Sun
1 stop
11h 00mORD-DUB
1/4Tue
1 stop
13h 45mDUB-ORD
€448
23/3Sun
1 stopUnited Airlines
15h 20mORD-DUB
1/4Tue
2 stopsUnited Airlines
30h 39mDUB-ORD
€453
2/3Sun
1 stopUnited Airlines
9h 51mORD-DUB
12/3Wed
1 stopUnited Airlines
11h 51mDUB-ORD
€459
17/3Mon
1 stop
13h 20mORD-DUB
24/3Mon
1 stop
22h 35mDUB-ORD
€461

Search by stops

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Recent one-way flight deals

20/1Mon
2 stops
44h 37mORD-DUB
€212
20/1Mon
2 stops
44h 37mORD-DUB
€218
20/1Mon
1 stopIcelandair
9h 45mORD-DUB
€252
19/1Sun
1 stopIcelandair
9h 45mORD-DUB
€257
1/12Sun
1 stopTAP AIR PORTUGAL
13h 45mORD-DUB
€296
8/12Sun
1 stopTAP AIR PORTUGAL
13h 45mORD-DUB
€302
24/3Mon
1 stopScandinavian Airlines
34h 30mORD-DUB
€341
22/4Tue
1 stopScandinavian Airlines
17h 00mORD-DUB
€355
31/12Tue
1 stopSWISS
16h 45mORD-DUB
€365
25/3Tue
1 stopSWISS
16h 45mORD-DUB
€369

Search by stops

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Search by price

Last minute flights from Illinois to Ireland

Last minute flight, train and bus deals

24/11Sun
multi-stop
55h 00mORD-DUB
7/12Sat
multi-stop
35h 06mDUB-ORD
€722
24/11Sun
multi-stop
55h 00mORD-DUB
7/12Sat
multi-stop
28h 35mDUB-ORD
€738
24/11Sun
multi-stopUnited Airlines
30h 55mORD-DUB
7/12Sat
multi-stopUnited Airlines
29h 57mDUB-ORD
€748
25/11Mon
multi-stopAer Lingus
16h 25mSTL-DUB
5/12Thu
multi-stopAer Lingus
12h 53mDUB-STL
€752
24/11Sun
directAer Lingus
7h 20mORD-DUB
7/12Sat
directAer Lingus
8h 30mDUB-ORD
€806
25/11Mon
multi-stopLufthansa
19h 45mORD-DUB
2/12Mon
multi-stopLufthansa
19h 25mDUB-ORD
€861
21/11Thu
multi-stopUnited Airlines
19h 08mORD-DUB
28/11Thu
multi-stopUnited Airlines
12h 45mDUB-ORD
€871
25/11Mon
multi-stopAmerican Airlines
13h 31mSTL-DUB
5/12Thu
multi-stopAmerican Airlines
13h 48mDUB-STL
€910
23/11Sat
multi-stopLufthansa
19h 15mORD-DUB
1/12Sun
multi-stopLufthansa
30h 25mDUB-ORD
€955
21/11Thu
multi-stopAmerican Airlines
20h 10mORD-DUB
28/11Thu
directAmerican Airlines
8h 30mDUB-ORD
€1,059

Search by stops

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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.

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