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$45 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 5/7. 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
mar. 5/28
mar. 6/4

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In the last 7 days travelers have searched 43,219,010 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

March

Cheapest flight

$45
Best time to beat the crowds with an average 24% drop in price.
Most popular time to fly and prices are also 24% 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, +78 more

ANA, Aer Lingus, +79 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, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 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, +78 more

ANA, Aer Lingus, +79 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, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

See more direct flights
See more direct flights

Book cheap flights from Missouri to Chicago

Recent round-trip flight deals

8/15jeu.
nonstopUnited Airlines
1h 41mMCI-ORD
8/20mar.
nonstopUnited Airlines
1h 39mORD-MCI
$107
9/28sam.
1 stopAmerican Airlines
5h 01mMCI-ORD
10/1mar.
nonstopAmerican Airlines
1h 27mORD-MCI
$115
5/11sam.
1 stopSouthern / Mokulele
19h 40mSTL-ORD
5/13lun.
1 stopSouthern / Mokulele
14h 05mORD-STL
$138
5/14mar.
1 stopSouthern / Mokulele
7h 05mSTL-ORD
5/14mar.
1 stopSouthern / Mokulele
14h 20mORD-STL
$139
5/14mar.
2 stops
19h 20mSTL-ORD
5/17ven.
1 stop
8h 30mORD-STL
$143
5/7mar.
1 stop
13h 46mSTL-ORD
5/23jeu.
1 stop
5h 00mORD-STL
$151
10/16mer.
1 stopDelta
5h 46mSTL-MDW
10/30mer.
1 stopDelta
4h 31mMDW-STL
$156
5/26dim.
1 stopDelta
5h 14mSTL-ORD
5/28mar.
1 stopDelta
5h 03mORD-STL
$156
5/28mar.
1 stopSpirit Airlines
17h 50mMCI-ORD
6/5mer.
1 stopSpirit Airlines
22h 22mORD-MCI
$190
5/17ven.
1 stopSpirit Airlines
25h 09mMCI-ORD
5/21mar.
1 stopSpirit Airlines
16h 08mORD-MCI
$193

Search by stops

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Recent one-way flight deals

5/7mar.
1 stopSpirit Airlines
13h 46mSTL-ORD
$45
7/1lun.
nonstopUnited Airlines
1h 38mMCI-ORD
$46
5/26dim.
nonstopAmerican Airlines
1h 17mSTL-ORD
$46
9/14sam.
nonstopAmerican Airlines
1h 21mSTL-ORD
$59
5/6lun.
1 stopSouthern / Mokulele
4h 10mSTL-ORD
$65
5/4sam.
1 stopSouthern / Mokulele
4h 10mSTL-ORD
$66
6/1sam.
1 stopDelta
6h 37mMCI-ORD
$78
5/26dim.
1 stopDelta
4h 51mSTL-MDW
$78
7/26ven.
1 stopSun Country Air
17h 14mMCI-ORD
$98
7/8lun.
1 stopSun Country Air
23h 29mMCI-ORD
$105

Search by stops

Search by airline

Search by price

Last minute flights from Missouri to Chicago

Last minute flight, train and bus deals

5/3ven.
multi-stopSouthern / Mokulele
19h 40mSTL-ORD
5/5dim.
multi-stopSouthern / Mokulele
19h 20mORD-STL
$142
5/1mer.
multi-stopSouthern / Mokulele
7h 05mSTL-ORD
5/7mar.
multi-stopSouthern / Mokulele
14h 05mORD-STL
$149
5/1mer.
multi-stop
7h 05mSTL-ORD
5/7mar.
multi-stop
27h 43mORD-STL
$165
5/2jeu.
multi-stop
3h 15mSTL-ORD
5/25sam.
multi-stop
22h 22mORD-STL
$205
5/1mer.
multi-stopUnited Airlines
3h 03mJLN-ORD
5/6lun.
multi-stopUnited Airlines
3h 04mORD-JLN
$302
5/2jeu.
nonstopUnited Airlines
1h 31mSTL-ORD
5/25sam.
nonstopUnited Airlines
1h 24mORD-STL
$318
5/1mer.
multi-stopDelta
7h 00mSTL-MDW
8/20mar.
multi-stopDelta
4h 49mMDW-STL
$333
5/1mer.
multi-stopAmerican Airlines
5h 14mSTL-ORD
8/20mar.
nonstopAmerican Airlines
1h 17mORD-STL
$346
5/2jeu.
multi-stopAmerican Airlines
5h 00mSTL-ORD
5/25sam.
nonstopAmerican Airlines
1h 12mORD-STL
$360
5/1mer.
multi-stopDelta
4h 24mSTL-MDW
5/1mer.
multi-stopDelta
3h 23mMDW-STL
$450

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Missouri

Cabin classes:

$393
$523
$810
$100