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$49 Find cheap flights from Missouri 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 6/4. 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
Sat 6/8
Sat 6/15

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In the last 7 days travelers have searched 43,895,468 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

October

Cheapest flight

$49
Best time to beat the crowds but there is an average 27% increase in price.
Most popular time to fly and prices are also 6% lower on average.
Flight from St. Louis to Chicago O'Hare Airport

FAQs for booking flights from Missouri to Chicago

  • How does KAYAK find such low prices on flights from Missouri 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 Missouri to Chicago.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Missouri 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 Missouri 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 Missouri with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri 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 Missouri 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 Missouri to Chicago?

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

Nonstop departures

Missouri to Chicago

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights

Nonstop returns

Chicago to Missouri

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights
See more direct flights

Book cheap flights from Missouri to Chicago

Recent round-trip flight deals

6/18Tue
nonstopAmerican Airlines
1h 36mMCI-ORD
6/26Wed
nonstopAmerican Airlines
1h 46mORD-MCI
$97
6/11Tue
nonstopAmerican Airlines
1h 22mSTL-ORD
6/11Tue
nonstopAmerican Airlines
1h 13mORD-STL
$97
8/26Mon
nonstopUnited Airlines
1h 21mSTL-ORD
8/28Wed
nonstopUnited Airlines
1h 19mORD-STL
$107
8/9Fri
nonstopUnited Airlines
1h 41mMCI-ORD
8/12Mon
nonstopUnited Airlines
1h 39mORD-MCI
$117
5/23Thu
1 stop
9h 37mSTL-ORD
5/27Mon
1 stop
5h 00mORD-STL
$139
5/23Thu
1 stop
9h 37mSTL-ORD
5/26Sun
1 stop
9h 45mORD-STL
$145
6/3Mon
1 stopSpirit Airlines
15h 04mMCI-ORD
6/4Tue
1 stopSpirit Airlines
15h 14mORD-MCI
$148
5/22Wed
1 stopFrontier
5h 22mSTL-MDW
5/22Wed
1 stopFrontier
13h 03mMDW-STL
$148
6/1Sat
1 stopSpirit Airlines
12h 15mMCI-ORD
6/4Tue
2 stopsSpirit Airlines
19h 11mORD-MCI
$159
5/28Tue
1 stopFrontier
10h 27mSTL-MDW
5/29Wed
1 stopFrontier
13h 03mMDW-STL
$198

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/4Tue
nonstopAmerican Airlines
1h 16mSTL-ORD
$49
9/19Thu
nonstopAmerican Airlines
1h 19mSTL-ORD
$59
6/4Tue
1 stopSpirit Airlines
8h 35mSTL-ORD
$63
6/4Tue
1 stopSpirit Airlines
7h 06mSTL-ORD
$66
6/3Mon
1 stopDelta
4h 41mMCI-ORD
$78
7/4Thu
1 stopDelta
6h 45mMCI-MDW
$78
6/11Tue
nonstopUnited Airlines
1h 38mMCI-ORD
$79
5/17Fri
1 stopFrontier
10h 30mSTL-ORD
$79
6/5Wed
1 stopFrontier
10h 00mSTL-MDW
$99
5/30Thu
nonstopUnited Airlines
1h 24mSTL-ORD
$109

Search by stops

Search by airline

Search by price

Last minute flights from Missouri to Chicago

Last minute flight, train and bus deals

5/14Tue
multi-stop
15h 30mSTL-ORD
5/21Tue
multi-stop
11h 54mORD-STL
$171
5/13Mon
multi-stopSouthern / Mokulele
7h 05mSTL-ORD
5/13Mon
multi-stopSouthern / Mokulele
17h 15mORD-STL
$176
5/14Tue
multi-stopFrontier
12h 37mSTL-MDW
5/21Tue
multi-stopFrontier
7h 09mMDW-STL
$238
5/11Sat
multi-stopUnited Airlines
3h 03mJLN-ORD
5/13Mon
multi-stopUnited Airlines
3h 04mORD-JLN
$302
5/11Sat
multi-stopFrontier
12h 27mSTL-MDW
5/15Wed
multi-stopFrontier
11h 14mMDW-STL
$318
5/10Fri
nonstopUnited Airlines
1h 38mMCI-ORD
6/14Fri
nonstopUnited Airlines
1h 36mORD-MCI
$403
5/10Fri
multi-stopAmerican Airlines
5h 43mMCI-ORD
6/14Fri
nonstopAmerican Airlines
1h 28mORD-MCI
$411
5/14Tue
multi-stopAmerican Airlines
8h 34mMCI-ORD
5/14Tue
nonstopAmerican Airlines
1h 43mORD-MCI
$420
5/14Tue
multi-stopSpirit Airlines
17h 50mMCI-ORD
5/15Wed
multi-stopSpirit Airlines
15h 05mORD-MCI
$426
5/14Tue
multi-stopSpirit Airlines
19h 39mSTL-ORD
5/15Wed
multi-stopSpirit Airlines
24h 59mORD-STL
$453

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Missouri

Cabin classes:

$587
$2,347
$853
$92