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$60 Find Cheap Flights from Illinois to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago departing on 1/23. 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 travelers have searched 46,479,581 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

October

Cheapest flight

$60
Best time to beat the crowds with an average 24% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from St. Louis to Chicago Midway Airport

FAQs for booking flights from Illinois to Chicago

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

    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 Chicago.

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

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

    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 Chicago 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 Chicago?

    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 Chicago 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 Chicago?

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

Nonstop departures

Illinois to Chicago

Monday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Tuesday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Wednesday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Saturday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Sunday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

See more direct flights

Nonstop returns

Chicago to Illinois

Monday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Tuesday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Wednesday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Saturday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Sunday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

See more direct flights
See more direct flights

Book cheap flights from Illinois to Chicago

Recent round-trip flight deals

11/13Wed
1 stopFrontier
18h 46mSTL-MDW
11/20Wed
1 stopFrontier
14h 09mMDW-STL
$112
11/25Mon
1 stopSouthern / Mokulele
4h 10mSTL-ORD
12/2Mon
1 stopSouthern / Mokulele
8h 30mORD-STL
$114
11/14Thu
nonstopUnited Airlines
1h 08mDEC-ORD
11/18Mon
nonstopUnited Airlines
1h 03mORD-DEC
$148
11/11Mon
1 stop
3h 32mSTL-ORD
11/13Wed
1 stop
11h 33mORD-STL
$178
12/15Sun
nonstopUnited Airlines
1h 06mMLI-ORD
12/22Sun
nonstopUnited Airlines
1h 18mORD-MLI
$179
11/13Wed
1 stop
22h 05mSTL-ORD
11/14Thu
1 stop
11h 08mORD-STL
$180
11/22Fri
nonstopDenver Air Connection
0h 55mDBQ-ORD
11/24Sun
nonstopDenver Air Connection
0h 55mORD-DBQ
$190
12/6Fri
nonstopSouthwest
1h 10mSTL-MDW
12/8Sun
nonstopSouthwest
1h 20mMDW-STL
$196
12/4Wed
nonstopSouthwest
1h 10mSTL-MDW
12/11Wed
1 stopSouthwest
3h 40mMDW-STL
$205
11/11Mon
nonstopDenver Air Connection
0h 55mDBQ-ORD
11/12Tue
nonstopDenver Air Connection
0h 55mORD-DBQ
$218

Search by stops

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Recent one-way flight deals

1/23Thu
1 stopFrontier
15h 13mSTL-MDW
$60
2/24Mon
1 stopFrontier
15h 52mSTL-MDW
$61
12/6Fri
1 stopSouthern / Mokulele
26h 10mSTL-ORD
$61
1/6Mon
1 stopSouthern / Mokulele
19h 40mSTL-ORD
$62
12/18Wed
nonstopSouthwest
1h 10mSTL-MDW
$98
12/8Sun
nonstopUnited Airlines
1h 29mSTL-ORD
$98
12/31Tue
nonstopAmerican Airlines
1h 12mCMI-ORD
$103
12/10Tue
1 stopSouthwest
5h 10mSTL-MDW
$107
11/28Thu
nonstopAmerican Airlines
1h 21mPIA-ORD
$115
12/24Tue
nonstopUnited Airlines
1h 35mSTL-ORD
$119

Search by stops

Search by airline

Search by price

Last minute flights from Illinois to Chicago

Last minute flight, train and bus deals

11/4Mon
multi-stop
3h 32mSTL-ORD
11/15Fri
multi-stop
12h 12mORD-STL
$202
11/3Sun
multi-stopSouthern / Mokulele
3h 37mSTL-ORD
11/6Wed
multi-stopSouthern / Mokulele
4h 20mORD-STL
$236
11/4Mon
nonstopAmerican Airlines
1h 13mMLI-ORD
11/14Thu
nonstopAmerican Airlines
0h 58mORD-MLI
$244
11/4Mon
multi-stopFrontier
5h 26mSTL-MDW
11/7Thu
multi-stopFrontier
10h 21mMDW-STL
$288
11/1Fri
nonstopAmerican Airlines
1h 13mMLI-ORD
11/3Sun
nonstopAmerican Airlines
1h 08mORD-MLI
$299
11/5Tue
nonstopUnited Airlines
1h 08mMLI-ORD
11/14Thu
nonstopUnited Airlines
1h 06mORD-MLI
$304
11/5Tue
nonstopUnited Airlines
1h 09mMLI-ORD
11/9Sat
nonstopUnited Airlines
1h 12mORD-MLI
$309
11/5Tue
multi-stopSpirit Airlines
30h 26mSTL-ORD
11/12Tue
multi-stopSpirit Airlines
11h 34mORD-STL
$388
11/5Tue
multi-stopSpirit Airlines
21h 26mSTL-ORD
11/7Thu
multi-stopSpirit Airlines
11h 34mORD-STL
$418
11/3Sun
multi-stopFrontier
20h 01mSTL-MDW
11/5Tue
multi-stopFrontier
13h 28mMDW-STL
$493

Search by stops

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Everything you need to know for your flight to Chicago

Cabin class types available on flights to Illinois

Cabin classes available on flights to Chicago. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.