How many flights depart from Chicago Midway Airport to Illinois on average per week?

14 flights are operational weekly from Chicago Midway Airport to Illinois as of February 2026. The most popular departure day for this route is Mon, with 29% of flights per week taking off on this day.

How many operators does momondo search for flights from Chicago Midway Airport to Illinois?

As of February 2026, there is 1 operator available to choose from for flights from Chicago Midway Airport to Illinois.

How old do you have to be to fly from Chicago Midway Airport to Illinois?

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 Midway Airport to Illinois.

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

The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$40 Cheap Flights from Chicago Midway Airport to Illinois in 2026

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Find the cheapest flights from Chicago Midway Airport to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:48 pm - 6:51 am

MDW

STL

12h 03m

1 stop

8:22 pm - 7:07 pm

STL

MDW

22h 45m

1 stop

$147Frontier

Fri, Feb 20 - Mon, Feb 23

11:19 am - 11:19 pm

MDW

STL

12h 00m

1 stop

11:32 am - 10:19 pm

STL

MDW

10h 47m

1 stop

$156Frontier

Tue, Mar 10 - Wed, Mar 11

2:41 pm - 1:34 pm

MDW

STL

22h 53m

1 stop

8:10 pm - 6:13 pm

STL

MDW

22h 03m

1 stop

$164Frontier

Thu, Mar 12 - Mon, Mar 16

6:05 am - 1:19 pm

MDW

STL

7h 14m

1 stop

4:51 pm - 1:02 pm

STL

MDW

20h 11m

2 stops

$172Multiple Airlines

Mon, Mar 9 - Mon, Mar 9

7:00 am - 10:27 pm

MDW

STL

15h 27m

2 stops

2:09 pm - 7:47 pm

STL

MDW

5h 38m

1 stop

$175Frontier

Wed, Feb 25 - Mon, Mar 9

6:00 am - 6:51 am

MDW

STL

24h 51m

1 stop

8:17 pm - 10:25 pm

STL

MDW

26h 08m

1 stop

$179Frontier

Tue, Feb 17 - Sat, Feb 21

6:05 am - 11:49 am

MDW

STL

5h 44m

1 stop

7:52 am - 1:08 pm

STL

MDW

29h 16m

1 stop

$191Frontier

Fri, Mar 6 - Sun, Mar 8

6:00 am - 6:51 am

MDW

STL

24h 51m

1 stop

8:17 pm - 1:08 pm

STL

MDW

40h 51m

2 stops

$197Frontier

Tue, Feb 17 - Sat, Feb 21

2:41 pm - 1:19 pm

MDW

STL

22h 38m

1 stop

8:06 pm - 10:25 am

STL

MDW

14h 19m

2 stops

$212Frontier

Sun, Mar 8 - Tue, Mar 10

10:18 am - 4:58 pm

MDW

PIA

30h 40m

1 stop

8:41 pm - 7:07 pm

PIA

MDW

22h 26m

2 stops

$685Multiple Airlines

Thu, Feb 19 - Mon, Feb 23

Southwest flights from Chicago Midway Airport to Illinois

Our best Southwest deals on Chicago Midway Airport to Illinois flight tickets

Southwest

May 15

MDW11:40 amChicago Midway

1h 15m

STL12:55 pmLambert-St Louis

May 20

STL1:45 pmLambert-St Louis

1h 10m

MDW2:55 pmChicago Midway

$217

Southwest

Apr 17

MDW11:40 amChicago Midway

1h 15m

STL12:55 pmLambert-St Louis

Apr 18

STL2:05 pmLambert-St Louis

1h 10m

MDW3:15 pmChicago Midway

$223

Southwest

May 15

MDW5:00 pmChicago Midway

5h 40m

1 stop

STL10:40 pmLambert-St Louis

May 20

STL10:25 amLambert-St Louis

1h 10m

MDW11:35 amChicago Midway

$227

Frontier flights from Chicago Midway Airport to Illinois

Our best Frontier deals on Chicago Midway Airport to Illinois flight tickets

Frontier

Feb 20

MDW6:48 pmChicago Midway

12h 03m

1 stop

STL6:51 amLambert-St Louis

Feb 23

STL8:22 pmLambert-St Louis

22h 45m

1 stop

MDW7:07 pmChicago Midway

$147

Frontier

Mar 10

MDW11:19 amChicago Midway

12h 00m

1 stop

STL11:19 pmLambert-St Louis

Mar 11

STL11:32 amLambert-St Louis

10h 47m

1 stop

MDW10:19 pmChicago Midway

$156

Frontier

Mar 12

MDW2:41 pmChicago Midway

22h 53m

1 stop

STL1:34 pmLambert-St Louis

Mar 16

STL8:10 pmLambert-St Louis

22h 03m

1 stop

MDW6:13 pmChicago Midway

$164

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Fri 2/20

6:48 pm-6:51 am

1 stop12h 03m

Lambert-St Louis

Mon 2/23

8:22 pm-7:07 pm

1 stop22h 45m

$147

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 3/10

11:19 am-11:19 pm

1 stop12h 00m

Lambert-St Louis

Wed 3/11

11:32 am-10:19 pm

1 stop10h 47m

$156

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 3/12

2:41 pm-1:34 pm

1 stop22h 53m

Lambert-St Louis

Mon 3/16

8:10 pm-6:13 pm

1 stop22h 03m

$164

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Mon 3/9

6:05 am-1:19 pm

1 stop7h 14m

Lambert-St Louis

Mon 3/9

4:51 pm-1:02 pm

2 stops20h 11m

$172

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 2/25

7:00 am-10:27 pm

2 stops15h 27m

Lambert-St Louis

Mon 3/9

2:09 pm-7:47 pm

1 stop5h 38m

$175

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 2/17

6:00 am-6:51 am

1 stop24h 51m

Lambert-St Louis

Sat 2/21

8:17 pm-10:25 pm

1 stop26h 08m

$179

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Fri 3/6

6:05 am-11:49 am

1 stop5h 44m

Lambert-St Louis

Sun 3/8

7:52 am-1:08 pm

1 stop29h 16m

$191

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 2/17

6:00 am-6:51 am

1 stop24h 51m

Lambert-St Louis

Sat 2/21

8:17 pm-1:08 pm

2 stops40h 51m

$197

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Sun 3/8

2:41 pm-1:19 pm

1 stop22h 38m

Lambert-St Louis

Tue 3/10

8:06 pm-10:25 am

2 stops14h 19m

$212

ChicagoPeoria

MDW - PIA

MDWPIA

Chicago Midway

Thu 2/19

10:18 am-4:58 pm

1 stop30h 40m

Greater Peoria

Mon 2/23

8:41 pm-7:07 pm

2 stops22h 26m

$685

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 Chicago Midway Airport 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

Airlines

Other information

What is the cheapest airline that flies from Chicago Midway to Illinois?

Southwest and Allegiant Air are the most popular carriers operating from Chicago Midway to Illinois

Cheap Chicago Midway Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago Midway Airport to Illinois

Fastest flight time	1h 10m
Direct flights	Every day
Airports in Illinois	98 airports

The fastest flight from Chicago Midway Airport to Illinois takes 1h 10m

Direct flights go from Chicago Midway Airport to Illinois every day.

There are 98 airports in Illinois. From Chicago Midway Airport there are direct flights to Lambert-St Louis (STL).

Search flight deals

When did momondo last update prices for flights from Chicago Midway Airport to Illinois?
Prices for flights from Chicago Midway Airport to Illinois refresh daily.
How many operators does momondo search for flights from Chicago Midway Airport to Illinois?
As of February 2026, there is 1 operator available to choose from for flights from Chicago Midway Airport to Illinois.
How old do you have to be to fly from Chicago Midway Airport to Illinois?
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 Midway Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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

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

All flight searches from Chicago to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Illinois 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 Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Chicago 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.