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$401 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 5/13. 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

$401
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from St. Louis 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

3/26Wed
1 stopAmerican Airlines
15h 20mORD-SNN
4/2Wed
1 stopAmerican Airlines
20h 50mSNN-ORD
$498
3/28Fri
2 stopsAmerican Airlines
13h 40mORD-SNN
4/7Mon
1 stopAmerican Airlines
23h 30mSNN-ORD
$547
3/23Sun
2 stops
14h 55mORD-SNN
4/1Tue
2 stops
23h 29mSNN-ORD
$698
3/23Sun
1 stopBritish Airways
15h 20mORD-SNN
4/4Fri
1 stopBritish Airways
13h 15mSNN-ORD
$700
1/12Sun
2 stopsAir Canada
17h 55mORD-SNN
1/21Tue
2 stopsAir Canada
51h 15mSNN-ORD
$710
3/28Fri
2 stops
18h 55mORD-SNN
3/31Mon
2 stops
40h 40mSNN-ORD
$742
3/24Mon
1 stopBritish Airways
15h 40mORD-SNN
4/5Sat
1 stopBritish Airways
24h 45mSNN-ORD
$744
1/12Sun
2 stopsAir Canada
22h 10mORD-SNN
1/21Tue
2 stopsAir Canada
33h 09mSNN-ORD
$745
4/18Fri
1 stopUnited Airlines
10h 15mORD-SNN
5/1Thu
1 stopUnited Airlines
10h 47mSNN-ORD
$755
4/18Fri
1 stopUnited Airlines
10h 15mORD-SNN
5/1Thu
2 stopsUnited Airlines
25h 35mSNN-ORD
$759

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/13Tue
2 stops
30h 23mSTL-SNN
$401
5/13Tue
3 stops
45h 53mSTL-SNN
$468
4/14Mon
1 stopAmerican Airlines
16h 15mORD-SNN
$500
4/14Mon
2 stopsUnited Airlines
15h 30mORD-SNN
$507
5/13Tue
2 stopsUnited Airlines
17h 10mSTL-SNN
$532
5/13Tue
1 stopAmerican Airlines
12h 55mSTL-SNN
$632
4/23Wed
3 stops
18h 35mMDW-SNN
$779

Search by stops

Search by airline

Search by price

Last minute flights from Illinois to Shannon

Last minute flight, train and bus deals

11/24Sun
multi-stopAir Canada
15h 25mORD-SNN
12/2Mon
multi-stopAir Canada
44h 35mSNN-ORD
$1,021
11/24Sun
multi-stopBritish Airways
12h 40mORD-SNN
12/2Mon
multi-stopBritish Airways
27h 38mSNN-ORD
$1,085
11/24Sun
multi-stopBritish Airways
10h 55mORD-SNN
12/2Mon
multi-stopBritish Airways
26h 55mSNN-ORD
$1,093
11/24Sun
multi-stopBritish Airways
23h 00mORD-SNN
12/2Mon
multi-stopBritish Airways
29h 30mSNN-ORD
$1,161
11/24Sun
multi-stop
20h 40mORD-SNN
11/26Tue
multi-stop
12h 10mSNN-ORD
$1,191
11/24Sun
multi-stop
30h 05mORD-SNN
11/26Tue
multi-stop
25h 25mSNN-ORD
$1,192
11/23Sat
multi-stop
33h 05mORD-SNN
11/25Mon
multi-stop
24h 40mSNN-ORD
$1,341
11/23Sat
multi-stop
33h 05mORD-SNN
11/25Mon
multi-stop
31h 50mSNN-ORD
$1,362
11/24Sun
multi-stop
32h 05mORD-SNN
11/26Tue
multi-stop
25h 25mSNN-ORD
$1,386
11/24Sun
multi-stop
15h 25mORD-SNN
12/2Mon
multi-stop
19h 37mSNN-ORD
$1,462

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Shannon

Information on the airport you'll fly into in Shannon

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