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$499 Find Cheap Flights from Illinois to Shannon

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Shannon departing on 4/14. 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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Good to know

Low season

January

High season

August

Cheapest flight

$499
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Chicago O'Hare Airport to Shannon

FAQs for booking flights from Illinois to Shannon

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

    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 Shannon.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon 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 Shannon?

    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 Shannon 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 Shannon?

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

See more FAQs

Prefer to fly non-stop from Illinois to Shannon?

Find which airlines fly direct from Illinois to Shannon Airport, which days they fly and book direct flights.

Nonstop departures

Illinois to Shannon

Monday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Tuesday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Wednesday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Thursday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Friday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Saturday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Sunday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

See more direct flights

Nonstop returns

Shannon to Illinois

Monday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Tuesday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Wednesday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Thursday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Friday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Saturday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Sunday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

See more direct flights
See more direct flights

Book cheap flights from Illinois to Shannon

Recent round-trip flight deals

1/7Tue
1 stopAmerican Airlines
12h 45mORD-SNN
4/8Tue
1 stopAmerican Airlines
13h 15mSNN-ORD
$547
12/1Sun
1 stopAmerican Airlines
12h 40mORD-SNN
12/8Sun
1 stopAmerican Airlines
15h 15mSNN-ORD
$556
4/28Mon
1 stopUnited Airlines
10h 15mORD-SNN
5/6Tue
1 stopUnited Airlines
12h 17mSNN-ORD
$696
4/28Mon
1 stopUnited Airlines
11h 45mORD-SNN
5/7Wed
2 stopsUnited Airlines
16h 42mSNN-ORD
$700
12/1Sun
2 stopsAir Canada
17h 55mORD-SNN
12/10Tue
2 stopsAir Canada
17h 47mSNN-ORD
$708
1/8Wed
2 stops
22h 10mORD-SNN
4/9Wed
2 stops
18h 15mSNN-ORD
$747
1/7Tue
2 stops
33h 00mORD-SNN
4/8Tue
2 stops
23h 29mSNN-ORD
$752
3/17Mon
1 stopAer Lingus
13h 00mORD-SNN
3/21Fri
1 stopAer Lingus
17h 00mSNN-ORD
$754
12/1Sun
2 stopsAir Canada
17h 55mORD-SNN
12/8Sun
2 stopsAir Canada
47h 24mSNN-ORD
$756
2/20Thu
2 stopsAer Lingus
16h 25mORD-SNN
2/23Sun
2 stopsAer Lingus
29h 10mSNN-ORD
$781

Search by stops

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Recent one-way flight deals

4/14Mon
1 stopAmerican Airlines
11h 25mORD-SNN
$499
4/14Mon
2 stopsUnited Airlines
14h 30mORD-SNN
$507

Search by stops

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Last minute flights from Illinois to Shannon

Last minute flight, train and bus deals

11/5Tue
multi-stopAmerican Airlines
13h 30mORD-SNN
11/19Tue
multi-stopAmerican Airlines
13h 00mSNN-ORD
$863
11/5Tue
multi-stopAmerican Airlines
13h 30mORD-SNN
11/19Tue
multi-stopAmerican Airlines
17h 26mSNN-ORD
$873
11/5Tue
multi-stopAmerican Airlines
12h 40mORD-SNN
11/19Tue
multi-stopAmerican Airlines
15h 15mSNN-ORD
$910
11/4Mon
multi-stopAer Lingus
15h 05mORD-SNN
11/6Wed
multi-stopAer Lingus
27h 50mSNN-ORD
$1,127
11/5Tue
multi-stopAir Canada
17h 53mORD-SNN
11/19Tue
multi-stopAir Canada
21h 15mSNN-ORD
$1,279
11/4Mon
multi-stop
35h 00mORD-SNN
11/6Wed
multi-stop
23h 50mSNN-ORD
$1,291
11/4Mon
multi-stop
15h 30mORD-SNN
11/6Wed
multi-stop
26h 55mSNN-ORD
$1,391
11/4Mon
multi-stopAir Canada
17h 53mORD-SNN
11/6Wed
multi-stopAir Canada
21h 15mSNN-ORD
$2,538

Search by stops

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Search by price

Everything you need to know for your flight to Shannon

Information on the airport you'll fly into in Shannon