What is the cheapest airline that flies from Missouri to Chicago O'Hare Intl?

Contour, United Airlines, and Delta are the most popular carriers operating from Missouri to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

United Airlines, American Airlines and Contour are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Missouri according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 4 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

How many flights depart from Missouri to Chicago O'Hare Intl Airport on average per day?

As of June 2026, there are 109 flights per day flying from Missouri to Chicago O'Hare Intl Airport. The most common time of day flights depart is 1:00PM, with 43% of flights taking off at noon.

How long does it take to fly to Chicago O'Hare Intl Airport?

On average, it takes 1h 27m to fly from Missouri to Chicago O'Hare Intl Airport if you fly out of St. Louis (the most popular airport in Missouri) and into Chicago O'Hare Intl Airport (the most popular airport in Chicago O'Hare Intl Airport). If you’re flying out of Columbia and into Chicago O'Hare Intl Airport, then the flight time is around 1h 28m.

How many flights depart from Missouri to Chicago O'Hare Intl Airport on average per week?

769 flights are operational weekly from Missouri to Chicago O'Hare Intl Airport as of June 2026. The most popular departure day for this route is Wed, with 23% of flights per week taking off on this day.

When did momondo last update prices for flights from Missouri to Chicago O'Hare Intl Airport?

Prices for flights from Missouri to Chicago O'Hare Intl Airport were last updated today.

How many operators does momondo search for flights from Missouri to Chicago O'Hare Intl Airport?

As of June 2026, there are 4 operators available to choose from for flights from Missouri to Chicago O'Hare Intl Airport.

How old do you have to be to fly from Missouri to Chicago O'Hare Intl Airport?

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 Missouri to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents required for your trip to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$47 Cheap Flights from Missouri to Chicago O'Hare Intl Airport in 2026

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Find the cheapest flights from Missouri to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:55 am - 11:30 am

UIN

ORD

1h 35mnonstop

12:20 pm - 1:40 pm

ORD

UIN

1h 20mnonstop

$94Contour

Wed, Jul 15 - Wed, Jul 22

9:55 am - 11:30 am

UIN

ORD

1h 35mnonstop

12:20 pm - 1:40 pm

ORD

UIN

1h 20mnonstop

$102Contour

Wed, Jul 22 - Wed, Jul 29

2:10 pm - 8:27 pm

STL

ORD

6h 17m

1 stop

2:12 pm - 8:42 pm

ORD

STL

6h 30m

1 stop

$208Delta

Wed, Aug 26 - Wed, Sep 2

6:30 am - 1:00 pm

STL

ORD

6h 30m

1 stop

8:48 am - 1:14 pm

ORD

STL

4h 26m

1 stop

$218Delta

Wed, Jul 1 - Thu, Aug 6

6:34 pm - 7:53 am

STL

ORD

13h 19m

1 stop

7:05 am - 5:37 pm

ORD

STL

10h 32m

1 stop

$221Frontier

Sun, Jul 19 - Tue, Aug 11

6:34 pm - 7:53 am

STL

ORD

13h 19m

1 stop

1:50 pm - 5:37 pm

ORD

STL

27h 47m

1 stop

$226Frontier

Sun, Aug 2 - Mon, Aug 10

9:30 am - 11:07 am

STL

ORD

1h 37mnonstop

10:00 pm - 11:29 pm

ORD

STL

1h 29mnonstop

$236United Airlines

Wed, Jul 15 - Thu, Aug 6

7:05 pm - 8:39 pm

STL

ORD

1h 34mnonstop

10:40 am - 12:11 pm

ORD

STL

1h 31mnonstop

$237United Airlines

Tue, Jul 7 - Thu, Jul 9

6:32 pm - 8:23 pm

COU

ORD

1h 51mnonstop

8:29 am - 10:01 am

ORD

COU

1h 32mnonstop

$243American Airlines

Fri, Jul 3 - Sun, Jul 5

7:53 pm - 9:45 pm

SGF

ORD

1h 52mnonstop

8:48 pm - 10:40 pm

ORD

SGF

1h 52mnonstop

$248American Airlines

Fri, Jun 26 - Sun, Jun 28

Contour flights from Missouri to Chicago O'Hare Intl Airport

Our best Contour deals on Missouri to Chicago O'Hare Intl Airport flight tickets

Contour

Jul 15

UIN9:55 amQuincy Regional

1h 35m

ORD11:30 amChicago O'Hare Intl

Jul 22

ORD12:20 pmChicago O'Hare Intl

1h 20m

UIN1:40 pmQuincy Regional

$94

Contour

Jul 22

UIN9:55 amQuincy Regional

1h 35m

ORD11:30 amChicago O'Hare Intl

Jul 29

ORD12:20 pmChicago O'Hare Intl

1h 20m

UIN1:40 pmQuincy Regional

$102

Contour

Jul 4

UIN3:35 pmQuincy Regional

1h 35m

ORD5:10 pmChicago O'Hare Intl

Jul 10

ORD12:20 pmChicago O'Hare Intl

1h 20m

UIN1:40 pmQuincy Regional

$104

Frontier flights from Missouri to Chicago O'Hare Intl Airport

Our best Frontier deals on Missouri to Chicago O'Hare Intl Airport flight tickets

Frontier

Jul 19

STL6:34 pmLambert-St Louis

13h 19m

1 stop

ORD7:53 amChicago O'Hare Intl

Aug 11

ORD7:05 amChicago O'Hare Intl

10h 32m

1 stop

STL5:37 pmLambert-St Louis

$221

Frontier

Aug 2

STL6:34 pmLambert-St Louis

13h 19m

1 stop

ORD7:53 amChicago O'Hare Intl

Aug 10

ORD1:50 pmChicago O'Hare Intl

27h 47m

1 stop

STL5:37 pmLambert-St Louis

$226

Frontier

Jun 24

STL4:17 pmLambert-St Louis

7h 02m

1 stop

ORD11:19 pmChicago O'Hare Intl

Jul 1

ORD4:59 pmChicago O'Hare Intl

6h 50m

1 stop

STL11:49 pmLambert-St Louis

$230

momondo Fare Finder

Use the filters below to find and compare flights from Missouri to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

QuincyChicago

UIN - ORD

UINORD

Quincy Regional

Wed 7/15

9:55 am-11:30 am

Nonstop1h 35m

Chicago O'Hare Intl

Wed 7/22

12:20 pm-1:40 pm

Nonstop1h 20m

$94

QuincyChicago

UIN - ORD

UINORD

Quincy Regional

Wed 7/22

9:55 am-11:30 am

Nonstop1h 35m

Chicago O'Hare Intl

Wed 7/29

12:20 pm-1:40 pm

Nonstop1h 20m

$102

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 8/26

2:10 pm-8:27 pm

1 stop6h 17m

Chicago O'Hare Intl

Wed 9/2

2:12 pm-8:42 pm

1 stop6h 30m

$208

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 7/1

6:30 am-1:00 pm

1 stop6h 30m

Chicago O'Hare Intl

Thu 8/6

8:48 am-1:14 pm

1 stop4h 26m

$218

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sun 7/19

6:34 pm-7:53 am

1 stop13h 19m

Chicago O'Hare Intl

Tue 8/11

7:05 am-5:37 pm

1 stop10h 32m

$221

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sun 8/2

6:34 pm-7:53 am

1 stop13h 19m

Chicago O'Hare Intl

Mon 8/10

1:50 pm-5:37 pm

1 stop27h 47m

$226

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 7/15

9:30 am-11:07 am

Nonstop1h 37m

Chicago O'Hare Intl

Thu 8/6

10:00 pm-11:29 pm

Nonstop1h 29m

$236

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 7/7

7:05 pm-8:39 pm

Nonstop1h 34m

Chicago O'Hare Intl

Thu 7/9

10:40 am-12:11 pm

Nonstop1h 31m

$237

ColumbiaChicago

COU - ORD

COUORD

Columbia Regional

Fri 7/3

6:32 pm-8:23 pm

Nonstop1h 51m

Chicago O'Hare Intl

Sun 7/5

8:29 am-10:01 am

Nonstop1h 32m

$243

SpringfieldChicago

SGF - ORD

SGFORD

Springfield-Branson

Fri 6/26

7:53 pm-9:45 pm

Nonstop1h 52m

Chicago O'Hare Intl

Sun 6/28

8:48 pm-10:40 pm

Nonstop1h 52m

$248

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Chicago O'Hare Intl Airport

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

Prices

Airlines

Other information

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Missouri averaging around $77.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $692. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Missouri because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $854.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Missouri in the morning is the least expensive time of day to depart. momondo users have found prices as low as $615 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $1,138. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Missouri to Chicago O'Hare Intl flight route?

Fly from Kirksville Cannon Memorial to Chicago O'Hare Intl for the best Missouri - Chicago O'Hare Intl flight prices

How far in advance should I book a flight from Missouri to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $310 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Missouri for as low as $176 on momondo.

What cabin class options are available on Missouri to Chicago O'Hare Intl Airport flights?

There are 4 cabin classes available to choose from on Missouri to Chicago O'Hare Intl Airport 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 Missouri to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Missouri to Chicago O'Hare Intl Airport.

Cheap Missouri to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Chicago O'Hare Intl Airport

Best Price Found	$180
Fastest flight time	1h 27m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Missouri in the past 72 hours is $180. The best round-trip flight deal from Missouri to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $148.

The fastest flight from Missouri to Chicago O'Hare Intl Airport takes 1h 27m

Direct flights go from Missouri to Chicago O'Hare Intl Airport every day.

Search flight deals

Frequently asked questions about flying from Missouri to Chicago O'Hare Intl Airport

When did momondo last update prices for flights from Missouri to Chicago O'Hare Intl Airport?
Prices for flights from Missouri to Chicago O'Hare Intl Airport were last updated today.
How many operators does momondo search for flights from Missouri to Chicago O'Hare Intl Airport?
As of June 2026, there are 4 operators available to choose from for flights from Missouri to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Missouri to Chicago O'Hare Intl Airport?
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 Missouri to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents required for your trip to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport. 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 Missouri to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Missouri to Chicago O'Hare Intl Airport is Embraer 175 (11.15% of total bookings). The next most popular plane models are Embraer 170 (9.95%), Airbus A319 (9.53%), and Embraer 175 (Enhanced Winglets) (9.31%).

Best airlines flying from Missouri to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Missouri to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Contour	PriceFrom $62	Free Cancellation	Rating 7.7 41 reviews	Search Contour flights
American Airlines	PriceFrom $97	Free Cancellation	Rating 7.1 11,641 reviews	Search American Airlines flights
United Airlines	PriceFrom $117	Free Cancellation	Rating 7.4 9,773 reviews	Search United Airlines flights
Frontier	PriceFrom $158	Free Cancellation	Rating 5.6 2,914 reviews	Search Frontier flights

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South Haven

Schaumburg

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Merrillville

Gurnee

Rosemont

Naperville

Orland Park

New Buffalo

Oak Brook

Kenosha

Joliet

Aurora

Racine

Janesville

Hammond

Evanston

Elgin

Tinley Park

Why use momondo?

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

It is quick and easy to find Missouri to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

Yes. All flights to Chicago from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Yes. momondo can track prices for Missouri to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Missouri to Chicago from $47

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Chicago departing on 7/2. 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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Contour flights from Missouri to Chicago O'Hare Intl Airport

Our best Contour deals on Missouri to Chicago O'Hare Intl Airport flight tickets

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Our best Frontier deals on Missouri to Chicago O'Hare Intl Airport flight tickets

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How to get the cheapest flight ticket from Missouri to Chicago O'Hare Intl Airport

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest Missouri to Chicago O'Hare Intl flight route?

How far in advance should I book a flight from Missouri to Chicago O'Hare Intl Airport?

What cabin class options are available on Missouri to Chicago O'Hare Intl Airport flights?

Can stopping save me money on Missouri to Chicago O'Hare Intl Airport flights?

What is the cheapest airline that flies from Missouri to Chicago O'Hare Intl?

What airlines fly to Chicago O'Hare Intl Airport?

How many flights depart from Missouri to Chicago O'Hare Intl Airport on average per day?

How many flights depart from Missouri to Chicago O'Hare Intl Airport on average per week?

How long does it take to fly to Chicago O'Hare Intl Airport?

Cheap Missouri to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Chicago O'Hare Intl Airport

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Missouri to Chicago O'Hare Intl Airport

Best airlines flying from Missouri to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Missouri to Chicago O'Hare Intl Airport with momondo

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Why use momondo?

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List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

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