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Cheap flights from Missouri to Illinois from $55

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Contour Logo
12:30 pm - 2:15 pmIRK  Kirksville Cannon Memorial-ORD Chicago O'Hare Intl
1h 45mnonstop
Contour Logo
2:55 pm - 4:25 pmORD  Chicago O'Hare Intl-IRK Kirksville Cannon Memorial
1h 30mnonstop
$120Contour
Wed, Oct 28 - Sat, Oct 31
Contour Logo
12:30 pm - 2:15 pmIRK  Kirksville Cannon Memorial-ORD Chicago O'Hare Intl
1h 45mnonstop
Contour Logo
2:55 pm - 4:25 pmORD  Chicago O'Hare Intl-IRK Kirksville Cannon Memorial
1h 30mnonstop
$120Contour
Thu, Oct 15 - Mon, Oct 26
Frontier Logo
6:35 pm - 11:43 pmSTL  Lambert-St Louis-MDW Chicago Midway
5h 08m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:16 am - 5:40 pmMDW  Chicago Midway-STL Lambert-St Louis
11h 24m1 stop Atlanta Hartsfield-Jackson
$147Frontier
Mon, Oct 26 - Wed, Oct 28
Frontier Logo
12:14 pm - 7:08 pmSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
6h 54m1 stop Dallas/Fort Worth
Frontier Logo
6:30 am - 7:14 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
12h 44m1 stop Denver Intl
$152Frontier
Fri, Nov 6 - Sat, Nov 14
Southwest Logo
7:40 pm - 1:10 amSTL  Lambert-St Louis-MDW Chicago Midway
5h 30m1 stop Dallas Love Field
Southwest Logo
5:50 pm - 7:00 pmMDW  Chicago Midway-STL Lambert-St Louis
1h 10mnonstop
$154Southwest
Fri, Oct 23 - Mon, Oct 26
Southwest Logo
5:25 am - 6:30 amSTL  Lambert-St Louis-MDW Chicago Midway
1h 05mnonstop
Southwest Logo
6:35 am - 1:40 pmMDW  Chicago Midway-STL Lambert-St Louis
7h 05m1 stop Dallas Love Field
$154Southwest
Fri, Oct 23 - Sat, Oct 24
Delta Logo
6:45 am - 12:33 pmSTL  Lambert-St Louis-MDW Chicago Midway
5h 48m1 stop Detroit Metropolitan Wayne County
Delta Logo
9:55 am - 3:59 pmMDW  Chicago Midway-STL Lambert-St Louis
6h 04m1 stop Minneapolis St Paul
$157Delta
Wed, Feb 10 - Sat, Feb 13
American Airlines Logo
8:12 pm - 9:48 pmSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
1h 36mnonstop
American Airlines Logo
6:40 pm - 8:04 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
1h 24mnonstop
$171American Airlines
Sat, Nov 21 - Sun, Nov 22
American Airlines Logo
11:31 am - 12:59 pmSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
1h 28mnonstop
American Airlines Logo
11:15 am - 12:50 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
1h 35mnonstop
$171American Airlines
Fri, Oct 30 - Fri, Nov 6
Delta Logo
10:32 am - 4:39 pmMCI  Kansas City-MDW Chicago Midway
6h 07m1 stop Minneapolis St Paul
Delta Logo
5:29 pm - 11:24 pmMDW  Chicago Midway-MCI Kansas City
5h 55m1 stop Minneapolis St Paul
$257Delta
Wed, Nov 18 - Mon, Nov 23

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Frontier flights from Missouri to Illinois

Our best Frontier deals on Missouri to Illinois flight tickets
Frontier
Oct 26
STL6:35 pmLambert-St Louis
5h 08m
1 stop
MDW11:43 pmChicago Midway
Oct 28
MDW6:16 amChicago Midway
11h 24m
1 stop
STL5:40 pmLambert-St Louis
$147
Frontier
Oct 30
STL7:59 pmLambert-St Louis
28h 22m
1 stop
ORD12:21 amChicago O'Hare Intl
Nov 6
ORD6:30 amChicago O'Hare Intl
12h 44m
1 stop
STL7:14 pmLambert-St Louis
$152
Frontier
Dec 3
STL6:13 pmLambert-St Louis
6h 46m
1 stop
ORD12:59 amChicago O'Hare Intl
Dec 5
ORD5:24 pmChicago O'Hare Intl
6h 48m
1 stop
STL12:12 amLambert-St Louis
$153

United Airlines flights from Missouri to Illinois

Our best United Airlines deals on Missouri to Illinois flight tickets
United Airlines
Oct 30
STL5:00 amLambert-St Louis
1h 29m
ORD6:29 amChicago O'Hare Intl
Oct 30
ORD12:55 pmChicago O'Hare Intl
1h 34m
STL2:29 pmLambert-St Louis
$171
United Airlines
Nov 2
STL7:30 amLambert-St Louis
1h 30m
ORD9:00 amChicago O'Hare Intl
Nov 3
ORD10:45 amChicago O'Hare Intl
1h 25m
STL12:10 pmLambert-St Louis
$204
United Airlines
Oct 22
STL10:27 amLambert-St Louis
1h 32m
ORD11:59 amChicago O'Hare Intl
Oct 26
ORD8:10 pmChicago O'Hare Intl
1h 30m
STL9:40 pmLambert-St Louis
$234

momondo Fare Finder

 
Use the filters below to find and compare flights from Missouri to Illinois that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

KirksvilleChicago

IRK Kirksville Cannon Memorial - ORD Chicago O'Hare Intl

IRKORD

Kirksville Cannon Memorial

Wed 10/28

12:30 pm-2:15 pm

Nonstop1h 45m

Chicago O'Hare Intl

Sat 10/31

2:55 pm-4:25 pm

Nonstop1h 30m

$120

KirksvilleChicago

IRK Kirksville Cannon Memorial - ORD Chicago O'Hare Intl

IRKORD

Kirksville Cannon Memorial

Thu 10/15

12:30 pm-2:15 pm

Nonstop1h 45m

Chicago O'Hare Intl

Mon 10/26

2:55 pm-4:25 pm

Nonstop1h 30m

$120

St. LouisChicago

STL Lambert-St Louis - MDW Chicago Midway

STLMDW

Lambert-St Louis

Mon 10/26

6:35 pm-11:43 pm

1 stop5h 08m

Chicago Midway

Wed 10/28

6:16 am-5:40 pm

1 stop11h 24m

$147

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Fri 11/6

12:14 pm-7:08 pm

1 stop6h 54m

Chicago O'Hare Intl

Sat 11/14

6:30 am-7:14 pm

1 stop12h 44m

$152

St. LouisChicago

STL Lambert-St Louis - MDW Chicago Midway

STLMDW

Lambert-St Louis

Fri 10/23

7:40 pm-1:10 am

1 stop5h 30m

Chicago Midway

Mon 10/26

5:50 pm-7:00 pm

Nonstop1h 10m

$154

St. LouisChicago

STL Lambert-St Louis - MDW Chicago Midway

STLMDW

Lambert-St Louis

Fri 10/23

5:25 am-6:30 am

Nonstop1h 05m

Chicago Midway

Sat 10/24

6:35 am-1:40 pm

1 stop7h 05m

$154

St. LouisChicago

STL Lambert-St Louis - MDW Chicago Midway

STLMDW

Lambert-St Louis

Wed 2/10

6:45 am-12:33 pm

1 stop5h 48m

Chicago Midway

Sat 2/13

9:55 am-3:59 pm

1 stop6h 04m

$157
Quickest round-trip

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Sat 11/21

8:12 pm-9:48 pm

Nonstop1h 36m

Chicago O'Hare Intl

Sun 11/22

6:40 pm-8:04 pm

Nonstop1h 24m

$171

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Fri 10/30

11:31 am-12:59 pm

Nonstop1h 28m

Chicago O'Hare Intl

Fri 11/6

11:15 am-12:50 pm

Nonstop1h 35m

$171

Kansas CityChicago

MCI Kansas City - MDW Chicago Midway

MCIMDW

Kansas City

Wed 11/18

10:32 am-4:39 pm

1 stop6h 07m

Chicago Midway

Mon 11/23

5:29 pm-11:24 pm

1 stop5h 55m

$257

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 Illinois from

How to get the cheapest flight ticket from Missouri to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Missouri is in December. Flight prices, which tend to average around $297, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois 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 $324.

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

The cheapest day to depart from Missouri to Illinois is on a Friday when prices can be found for as low as $635. Flights from Missouri to Illinois on a Saturday will generally be more expensive and average around $861. 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 Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Missouri to Illinois during this time can be as low as $579. Flights at noon are often more expensive with an average ticket price of $1,147.

What is the cheapest Missouri to Illinois flight route?

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

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

You are more likely to see cheaper flights to Illinois from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $365 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Missouri for as low as $117 on momondo.

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

There are 4 cabin classes available to choose from on Missouri to Illinois 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 Illinois flights?

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

Cheap Missouri to Illinois flight deals and tips

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

Best Price Found

$55

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Missouri in the past 72 hours is $55. The best round-trip flight deal from Missouri to Illinois found on momondo in the last 72 hours is $120.
The fastest flight from Missouri to Illinois takes 1h 00m
Direct flights go from Missouri to Illinois every day.
There are 98 airports in Illinois. From Missouri there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).
Search flight deals

Frequently asked questions about flying from Missouri to Illinois

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

    Prices for flights from Missouri to Illinois refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Illinois.

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

    The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Missouri to Illinois

Compare and see reviews for airlines that fly from Missouri to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $117Free CancellationRating
7.0
12,127 reviews
Search American Airlines flights
ContourPriceFrom $118Free CancellationRating
7.5
43 reviews
Search Contour flights
FrontierPriceFrom $171Free CancellationRating
5.6
2,565 reviews
Search Frontier flights
United AirlinesPriceFrom $183Free CancellationRating
7.4
10,280 reviews
Search United Airlines flights
SouthwestPriceFrom $187Free CancellationRating
7.9
4,215 reviews
Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Missouri.

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

Yes. All flights to Illinois 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 Illinois?

momondo helps you find the best flight between Missouri and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Illinois from Missouri are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Illinois trip

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