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Cheap flights from Chicago to Missouri from $58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Missouri departing on 6/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Chicago to Missouri

Cheap round-trip flights

Enter your travel dates to find the best prices.
Contour Logo
12:10 pm - 1:50 pm
ORD
-
CGI
1h 40mnonstop
Contour Logo
9:45 am - 11:30 am
CGI
-
ORD
1h 45mnonstop
$119Contour
Thu, Apr 23 - Fri, Apr 24
Contour Logo
12:10 pm - 1:50 pm
ORD
-
CGI
1h 40mnonstop
Contour Logo
9:45 am - 11:30 am
CGI
-
ORD
1h 45mnonstop
$121Contour
Fri, Jun 12 - Mon, Jun 15
Frontier Logo
5:50 am - 7:21 pm
ORD
-
STL
13h 31m
2 stops
Frontier Logo
8:23 pm - 7:55 am
STL
-
ORD
11h 32m
1 stop
$186Frontier
Thu, Apr 30 - Mon, May 4
American Airlines Logo
2:32 pm - 4:00 pm
ORD
-
STL
1h 28mnonstop
American Airlines Logo
8:03 pm - 9:40 pm
STL
-
ORD
1h 37mnonstop
$187American Airlines
Wed, May 20 - Wed, May 20
United Airlines Logo
3:03 pm - 4:39 pm
ORD
-
STL
1h 36mnonstop
United Airlines Logo
5:28 pm - 7:00 pm
STL
-
ORD
1h 32mnonstop
$191United Airlines
Thu, Apr 30 - Mon, May 4
Southwest Logo
9:30 pm - 10:45 pm
MDW
-
STL
1h 15mnonstop
Southwest Logo
7:20 am - 8:30 am
STL
-
MDW
1h 10mnonstop
$191Southwest
Thu, Apr 30 - Mon, May 4
Frontier Logo
8:21 am - 11:19 pm
MDW
-
STL
14h 58m
1 stop
Frontier Logo
8:23 pm - 11:09 am
STL
-
MDW
14h 46m
1 stop
$192Frontier
Thu, Apr 30 - Mon, May 4
American Airlines Logo
10:25 am - 11:47 am
ORD
-
STL
1h 22mnonstop
American Airlines Logo
7:05 am - 8:36 am
STL
-
ORD
1h 31mnonstop
$194American Airlines
Thu, Apr 30 - Mon, May 4
Southwest Logo
9:30 pm - 10:45 pm
MDW
-
STL
1h 15mnonstop
Southwest Logo
4:00 pm - 10:20 pm
STL
-
MDW
6h 20m
1 stop
$201Southwest
Thu, Apr 30 - Mon, May 4
United Airlines Logo
8:09 pm - 10:04 pm
ORD
-
SGF
1h 55mnonstop
United Airlines Logo
6:50 pm - 8:38 pm
SGF
-
ORD
1h 48mnonstop
$264United Airlines
Wed, Apr 22 - Mon, Apr 27

United Airlines flights from Chicago to Missouri

Our best United Airlines deals on Chicago to Missouri flight tickets
United Airlines
Apr 30
ORD3:03 pmChicago O'Hare Intl
1h 36m
STL4:39 pmLambert-St Louis
May 4
STL5:28 pmLambert-St Louis
1h 32m
ORD7:00 pmChicago O'Hare Intl
$191
United Airlines
May 16
ORD9:20 pmChicago O'Hare Intl
1h 25m
STL10:45 pmLambert-St Louis
May 19
STL7:09 pmLambert-St Louis
1h 31m
ORD8:40 pmChicago O'Hare Intl
$224
United Airlines
May 8
ORD7:06 amChicago O'Hare Intl
1h 33m
STL8:39 amLambert-St Louis
May 9
STL7:11 pmLambert-St Louis
1h 31m
ORD8:42 pmChicago O'Hare Intl
$234

Frontier flights from Chicago to Missouri

Our best Frontier deals on Chicago to Missouri flight tickets
Frontier
Apr 30
ORD5:50 amChicago O'Hare Intl
13h 31m
2 stops
STL7:21 pmLambert-St Louis
May 4
STL8:23 pmLambert-St Louis
11h 32m
1 stop
ORD7:55 amChicago O'Hare Intl
$186
Frontier
Apr 30
ORD5:50 amChicago O'Hare Intl
13h 31m
2 stops
STL7:21 pmLambert-St Louis
May 4
STL8:23 pmLambert-St Louis
11h 32m
1 stop
ORD7:55 amChicago O'Hare Intl
$187
Frontier
Apr 30
MDW8:21 amChicago Midway
14h 58m
1 stop
STL11:19 pmLambert-St Louis
May 4
STL8:23 pmLambert-St Louis
14h 46m
1 stop
MDW11:09 amChicago Midway
$192

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 10, 2026.
Use the filters below to find and compare flights from Chicago to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCape Girardeau

ORD - CGI

ORDCGI

Chicago O'Hare Intl

Thu 4/23

12:10 pm-1:50 pm

Nonstop1h 40m

Cape Girardeau

Fri 4/24

9:45 am-11:30 am

Nonstop1h 45m

$119

ChicagoCape Girardeau

ORD - CGI

ORDCGI

Chicago O'Hare Intl

Fri 6/12

12:10 pm-1:50 pm

Nonstop1h 40m

Cape Girardeau

Mon 6/15

9:45 am-11:30 am

Nonstop1h 45m

$121

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 4/30

5:50 am-7:21 pm

2 stops13h 31m

Lambert-St Louis

Mon 5/4

8:23 pm-7:55 am

1 stop11h 32m

$186

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 5/20

2:32 pm-4:00 pm

Nonstop1h 28m

Lambert-St Louis

Wed 5/20

8:03 pm-9:40 pm

Nonstop1h 37m

$187

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 4/30

3:03 pm-4:39 pm

Nonstop1h 36m

Lambert-St Louis

Mon 5/4

5:28 pm-7:00 pm

Nonstop1h 32m

$191
Quickest round-trip

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 4/30

9:30 pm-10:45 pm

Nonstop1h 15m

Lambert-St Louis

Mon 5/4

7:20 am-8:30 am

Nonstop1h 10m

$191

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 4/30

8:21 am-11:19 pm

1 stop14h 58m

Lambert-St Louis

Mon 5/4

8:23 pm-11:09 am

1 stop14h 46m

$192

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 4/30

10:25 am-11:47 am

Nonstop1h 22m

Lambert-St Louis

Mon 5/4

7:05 am-8:36 am

Nonstop1h 31m

$194

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 4/30

9:30 pm-10:45 pm

Nonstop1h 15m

Lambert-St Louis

Mon 5/4

4:00 pm-10:20 pm

1 stop6h 20m

$201

ChicagoSpringfield

ORD - SGF

ORDSGF

Chicago O'Hare Intl

Wed 4/22

8:09 pm-10:04 pm

Nonstop1h 55m

Springfield-Branson

Mon 4/27

6:50 pm-8:38 pm

Nonstop1h 48m

$264

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Missouri from

How to get the cheapest flight ticket from Chicago to Missouri

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Missouri?

In general, December is the cheapest month to fly from Chicago to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $217. If you aren’t able to travel to Missouri during the month of December, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $240.

What is the cheapest day to depart on your flight to Missouri?

The cheapest day to depart from Chicago to Missouri is on a Saturday when prices can be found for as low as $267. Flights from Chicago to Missouri on a Monday will generally be more expensive and average around $552. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Missouri?

According to our data, the cheapest time of day to fly to Missouri is at noon. momondo users have found flights departing from Chicago to Missouri at noon for as low as $333. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the afternoon, with an average ticket price of $528. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Chicago to Missouri flight route?

Fly from Chicago O'Hare Intl to Lambert-St Louis for the best Chicago - Missouri flight prices

How far in advance should I book a flight to Missouri?

You are more likely to see cheaper flights to Missouri from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $339 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Chicago for as low as $165 on momondo.

What cabin class options are available on Chicago to Missouri flights?

There are 4 cabin classes available to choose from on Chicago to Missouri flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Missouri flights?

No. A direct flight is the cheapest option for a flight between Chicago to Missouri.

Cheap Chicago to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Missouri

Best Price Found

$166

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Missouri

55 airports
The best one-way flight to Missouri from Chicago in the past 72 hours is $166. The best round-trip flight deal from Chicago to Missouri found on momondo in the last 72 hours is $104.
The fastest flight from Chicago to Missouri takes 1h 10m
Direct flights go from Chicago to Missouri every day.
There are 55 airports in Missouri. From Chicago there are direct flights to Kansas City (MCI), Columbia Regional (COU), Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from Chicago to Missouri

  • When did momondo last update prices for flights from Chicago to Missouri?

    Prices for flights from Chicago to Missouri were last updated today.

  • How many operators does momondo search for flights from Chicago to Missouri?

  • How old do you have to be to fly from Chicago to Missouri?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Missouri.

  • What documentation or ID do you need to fly to Missouri?

    The travel and health documents required for your trip to Missouri can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Chicago to Missouri?

Best airlines flying from Chicago to Missouri

Compare and see reviews for airlines that fly from Chicago to Missouri with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $77Free CancellationRating
8.0
4,336 reviews
Search Southwest flights
ContourPriceFrom $104Free CancellationRating
7.6
42 reviews
Search Contour flights
American AirlinesPriceFrom $124Free CancellationRating
7.1
11,562 reviews
Search American Airlines flights
United AirlinesPriceFrom $151Free CancellationRating
7.4
9,560 reviews
Search United Airlines flights
Southern / MokulelePriceFrom $156Free CancellationRating
0.0
0 reviews
Search Southern / Mokulele flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Missouri?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Missouri. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Missouri with flexible booking policies on momondo?

Flights from Chicago to Missouri with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Missouri?

momondo provides multiple filters to help you find the best flight to Missouri from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Missouri right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to Missouri now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Missouri and let you know when they change.

An easier way to manage your Missouri trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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