How many flights depart from Kansas City to Illinois on average per week?

The number of flights available between Kansas City and Illinois is 228 per week as of April 2026. The most frequent departure day is Sat, with 25% of weekly flights leaving on this day.

How many flights depart from Kansas City to Illinois on average per day?

As of April 2026, there are 32 flights per day flying from Kansas City to Illinois. The most common time of day flights depart is 8:00AM, with 50% of flights taking off at noon.

What airlines fly to Illinois?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Illinois from Kansas City according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Kansas City to Illinois?

Frontier, Southwest, and Delta are the most popular carriers operating from Kansas City to Illinois

When did momondo last update prices for flights from Kansas City Airport to Illinois?

Prices for flights from Kansas City Airport to Illinois refresh daily.

How many operators does momondo search for flights from Kansas City Airport to Illinois?

The number of operators available for flights from Kansas City Airport to Illinois is 4 as of April 2026.

How old do you have to be to fly from Kansas City 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 Kansas City Airport to Illinois.

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

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$70 Cheap Flights from Kansas City to Illinois in 2026

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Find the cheapest flights from Kansas City to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:15 pm - 7:21 pm

MCI

STL

5h 06m

1 stop

8:17 pm - 1:49 pm

STL

MCI

17h 32m

1 stop

$171Frontier

Fri, May 1 - Mon, May 4

11:19 am - 6:50 am

MCI

STL

19h 31m

1 stop

5:27 pm - 5:29 pm

STL

MCI

24h 02m

1 stop

$214Frontier

Fri, May 1 - Fri, May 8

2:15 pm - 7:32 pm

MCI

STL

5h 17m

1 stop

8:17 pm - 1:49 pm

STL

MCI

17h 32m

1 stop

$216Frontier

Mon, Apr 27 - Mon, May 4

11:19 am - 6:50 am

MCI

STL

19h 31m

1 stop

9:18 pm - 1:49 pm

STL

MCI

16h 31m

2 stops

$221Frontier

Fri, May 1 - Fri, May 8

11:53 am - 10:23 am

MCI

ORD

22h 30m

1 stop

9:44 pm - 10:58 am

ORD

MCI

13h 14m

2 stops

$241Multiple Airlines

Thu, Apr 30 - Sat, May 2

11:53 am - 7:31 pm

MCI

MDW

7h 38m

1 stop

7:08 pm - 6:04 pm

MDW

MCI

22h 56m

1 stop

$241Multiple Airlines

Thu, Apr 30 - Thu, May 7

6:15 am - 12:27 pm

MCI

MLI

6h 12m

1 stop

6:30 am - 10:27 am

MLI

MCI

3h 57m

1 stop

$299United Airlines

Wed, Apr 22 - Sun, Apr 26

8:00 am - 2:09 pm

MCI

MLI

6h 09m

1 stop

8:30 am - 2:26 pm

MLI

MCI

5h 56m

1 stop

$369United Airlines

Tue, Apr 28 - Sat, May 2

5:20 pm - 11:25 pm

MCI

MLI

6h 05m

1 stop

11:29 am - 6:11 pm

MLI

MCI

6h 42m

1 stop

$469American Airlines

Thu, Sep 10 - Sun, Sep 13

5:46 am - 10:45 am

MCI

MLI

4h 59m

1 stop

11:29 am - 6:11 pm

MLI

MCI

6h 42m

1 stop

$504American Airlines

Thu, Sep 10 - Sun, Sep 13

American Airlines flights from Kansas City to Illinois

Our best American Airlines deals on Kansas City to Illinois flight tickets

American Airlines

Apr 28

MCI5:30 amKansas City

5h 51m

1 stop

ORD11:21 amChicago O'Hare Intl

Apr 28

ORD12:42 pmChicago O'Hare Intl

10h 07m

1 stop

MCI10:49 pmKansas City

$281

American Airlines

May 2

MCI7:50 pmKansas City

1h 50m

ORD9:40 pmChicago O'Hare Intl

May 5

ORD9:10 pmChicago O'Hare Intl

1h 47m

MCI10:57 pmKansas City

$291

American Airlines

May 5

MCI2:33 pmKansas City

5h 24m

1 stop

ORD7:57 pmChicago O'Hare Intl

May 12

ORD2:00 pmChicago O'Hare Intl

1h 51m

MCI3:51 pmKansas City

$295

Frontier flights from Kansas City to Illinois

Our best Frontier deals on Kansas City to Illinois flight tickets

Frontier

May 1

MCI2:15 pmKansas City

5h 06m

1 stop

STL7:21 pmLambert-St Louis

May 4

STL8:17 pmLambert-St Louis

17h 32m

1 stop

MCI1:49 pmKansas City

$171

Frontier

May 1

MCI11:19 amKansas City

19h 31m

1 stop

STL6:50 amLambert-St Louis

May 8

STL5:27 pmLambert-St Louis

24h 02m

1 stop

MCI5:29 pmKansas City

$214

Frontier

Apr 27

MCI2:15 pmKansas City

5h 17m

1 stop

STL7:32 pmLambert-St Louis

May 4

STL8:17 pmLambert-St Louis

17h 32m

1 stop

MCI1:49 pmKansas City

$216

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Fri 5/1

2:15 pm-7:21 pm

1 stop5h 06m

Lambert-St Louis

Mon 5/4

8:17 pm-1:49 pm

1 stop17h 32m

$171

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Fri 5/1

11:19 am-6:50 am

1 stop19h 31m

Lambert-St Louis

Fri 5/8

5:27 pm-5:29 pm

1 stop24h 02m

$214

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Mon 4/27

2:15 pm-7:32 pm

1 stop5h 17m

Lambert-St Louis

Mon 5/4

8:17 pm-1:49 pm

1 stop17h 32m

$216

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Fri 5/1

11:19 am-6:50 am

1 stop19h 31m

Lambert-St Louis

Fri 5/8

9:18 pm-1:49 pm

2 stops16h 31m

$221

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

Thu 4/30

11:53 am-10:23 am

1 stop22h 30m

Chicago O'Hare Intl

Sat 5/2

9:44 pm-10:58 am

2 stops13h 14m

$241

Kansas CityChicago

MCI - MDW

MCIMDW

Kansas City

Thu 4/30

11:53 am-7:31 pm

1 stop7h 38m

Chicago Midway

Thu 5/7

7:08 pm-6:04 pm

1 stop22h 56m

$241

Quickest round-trip

Kansas CityMoline

MCI - MLI

MCIMLI

Kansas City

Wed 4/22

6:15 am-12:27 pm

1 stop6h 12m

Moline Quad-City

Sun 4/26

6:30 am-10:27 am

1 stop3h 57m

$299

Kansas CityMoline

MCI - MLI

MCIMLI

Kansas City

Tue 4/28

8:00 am-2:09 pm

1 stop6h 09m

Moline Quad-City

Sat 5/2

8:30 am-2:26 pm

1 stop5h 56m

$369

Kansas CityMoline

MCI - MLI

MCIMLI

Kansas City

Thu 9/10

5:20 pm-11:25 pm

1 stop6h 05m

Moline Quad-City

Sun 9/13

11:29 am-6:11 pm

1 stop6h 42m

$469

Kansas CityMoline

MCI - MLI

MCIMLI

Kansas City

Thu 9/10

5:46 am-10:45 am

1 stop4h 59m

Moline Quad-City

Sun 9/13

11:29 am-6:11 pm

1 stop6h 42m

$504

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 Kansas City 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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Kansas City is in September. Flight prices, which tend to average around $236, 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 September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $279.

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

The cheapest day to depart from Kansas City to Illinois is on a Thursday when prices can be found for as low as $548. Flights from Kansas City to Illinois on a Saturday will generally be more expensive and average around $913. 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 Kansas City to Illinois during this time can be as low as $581. Flights at noon are often more expensive with an average ticket price of $953.

What is the cheapest Kansas City to Illinois flight route?

Fly from Kansas City to Chicago Midway for the best Kansas City - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from Kansas City when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $324 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Kansas City for as low as $253 on momondo.

What cabin class options are available on Kansas City to Illinois flights?

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

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

Cheap Kansas City to Illinois flight deals and tips

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

Best Price Found	$184
Fastest flight time	1h 05m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Kansas City in the past 72 hours is $184. The best round-trip flight deal from Kansas City to Illinois found on momondo in the last 72 hours is $382.

The fastest flight from Kansas City to Illinois takes 1h 05m

Direct flights go from Kansas City to Illinois every day.

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

Search flight deals

Frequently asked questions about flying from Kansas City to Illinois

When did momondo last update prices for flights from Kansas City Airport to Illinois?
Prices for flights from Kansas City Airport to Illinois refresh daily.
How many operators does momondo search for flights from Kansas City Airport to Illinois?
The number of operators available for flights from Kansas City Airport to Illinois is 4 as of April 2026.
How old do you have to be to fly from Kansas City 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 Kansas City Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Kansas City to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Kansas City to Illinois is Boeing 737-800, representing 14.59% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 11.74%, Boeing 737 MAX 8 at 10.52%, and Embraer 175 at 9.83%.

Best airlines flying from Kansas City to Illinois

Compare and see reviews for airlines that fly from Kansas City to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $143	Free Cancellation	Rating 5.7 3,001 reviews	Search Frontier flights
United Airlines	PriceFrom $171	Free Cancellation	Rating 7.4 9,543 reviews	Search United Airlines flights
American Airlines	PriceFrom $188	Free Cancellation	Rating 7.1 11,561 reviews	Search American Airlines flights
Southwest	PriceFrom $223	Free Cancellation	Rating 8.0 4,343 reviews	Search Southwest flights

Why use momondo?

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

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

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

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

How can momondo help me find flights from Kansas City to Illinois?

Once you have performed a search for Kansas City to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Illinois from Kansas City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.