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Find cheap flights from Illinois to Ireland from $293

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 9/9. 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
Fri 6/21
Fri 6/28

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In the last 7 days travelers have searched 43,423,329 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$293
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 34% increase in price.
Flight from Chicago Midway 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 round-trip 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 round-trip flight deals

11/5Tue
1 stopAir Canada
14h 35mSTL-DUB
11/19Tue
1 stopAir Canada
12h 23mDUB-STL
$485
11/5Tue
1 stop
14h 35mSTL-DUB
11/12Tue
2 stops
34h 38mDUB-STL
$494
11/5Tue
2 stopsBritish Airways
15h 16mSTL-DUB
11/12Tue
2 stopsBritish Airways
18h 26mDUB-STL
$500
10/27Sun
2 stopsUnited Airlines
17h 55mSTL-DUB
11/5Tue
2 stopsUnited Airlines
27h 59mDUB-STL
$502
9/25Wed
1 stopUnited Airlines
11h 23mORD-SNN
10/16Wed
1 stopUnited Airlines
12h 07mSNN-ORD
$515
11/7Thu
1 stopKLM
17h 14mMDW-DUB
11/11Mon
1 stopKLM
15h 24mDUB-MDW
$537
9/13Fri
1 stopDelta
14h 45mMDW-DUB
10/16Wed
1 stopDelta
12h 10mDUB-MDW
$541
9/17Tue
2 stopsDelta
17h 04mMDW-DUB
10/2Wed
2 stopsDelta
17h 44mDUB-MDW
$545
11/5Tue
2 stopsBritish Airways
15h 16mSTL-DUB
11/16Sat
2 stopsBritish Airways
17h 08mDUB-STL
$550
10/23Wed
1 stopKLM
11h 00mMDW-DUB
11/4Mon
1 stopKLM
15h 24mDUB-MDW
$601

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Recent one-way flight deals

9/9Mon
2 stops
40h 47mMDW-DUB
$293
7/23Tue
2 stops
25h 50mMDW-DUB
$318
7/25Thu
1 stopIcelandair
30h 50mORD-DUB
$408
6/24Mon
2 stopsWestJet
22h 00mMDW-DUB
$409
7/18Thu
1 stopAer Lingus
9h 55mORD-CFN
$434
9/4Wed
2 stopsWestJet
22h 00mSTL-DUB
$445
10/27Sun
1 stopUnited Airlines
15h 55mSTL-DUB
$464
7/7Sun
nonstopAer Lingus
7h 30mORD-DUB
$531
7/1Mon
1 stopIcelandair
30h 50mORD-DUB
$586
7/21Sun
nonstopUnited Airlines
7h 50mORD-DUB
$593

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Last minute flights from Illinois to Ireland

Last minute flight, train and bus deals

5/26Sun
multi-stop
32h 55mORD-DUB
5/30Thu
multi-stop
30h 40mDUB-ORD
$957
5/27Mon
multi-stop
33h 03mORD-DUB
6/3Mon
multi-stop
15h 55mDUB-ORD
$975
5/26Sun
multi-stopScandinavian Airlines
18h 00mORD-DUB
6/6Thu
multi-stopScandinavian Airlines
36h 05mDUB-ORD
$995
5/25Sat
multi-stopScandinavian Airlines
15h 20mORD-DUB
6/8Sat
multi-stopScandinavian Airlines
51h 50mDUB-ORD
$1,002
5/26Sun
multi-stopTAP AIR PORTUGAL
18h 05mORD-DUB
6/6Thu
multi-stopTAP AIR PORTUGAL
16h 35mDUB-ORD
$1,112
5/26Sun
multi-stopTAP AIR PORTUGAL
18h 05mORD-DUB
6/6Thu
multi-stopTAP AIR PORTUGAL
27h 10mDUB-ORD
$1,119
5/26Sun
multi-stopIcelandair
9h 40mORD-DUB
7/14Sun
multi-stopIcelandair
12h 00mDUB-ORD
$1,133
5/27Mon
multi-stopIcelandair
9h 40mORD-DUB
8/3Sat
multi-stopIcelandair
12h 00mDUB-ORD
$1,136
5/23Thu
multi-stopIberia
9h 56mORD-DUB
5/30Thu
multi-stopIberia
11h 59mDUB-ORD
$1,210
5/25Sat
multi-stopIberia
19h 50mORD-DUB
7/27Sat
nonstopIberia
8h 00mDUB-ORD
$1,412

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