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$67+ Cheap flights from Kansas City (MCI) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ORD
Dec 30 — Jan 61
Tue 12/30
Tue 1/6
1 adult, Economy
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Find flight deals from Kansas City to Illinois

Cheapest flights from Kansas City to Illinois
Explore the most affordable flight options available from Kansas City to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:33 amMCI - STL
1 stop22h 07mFrontier
Wed 1/77:43 pmSTL - MCI
1 stop23h 43mFrontier
Deal found 11/30$218
This American Airlines deal was found by Cheapflights users on 11/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:36 pmMCI - ORD
Nonstop1h 50mAmerican Airlines
Sat 1/1710:16 amORD - MCI
Nonstop1h 53mAmerican Airlines
Deal found 11/28$231
This Southwest deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:30 pmMCI - MDW
Nonstop1h 25mSouthwest
Thu 1/112:00 pmMDW - MCI
Nonstop1h 25mSouthwest
Deal found 11/30$231
This Kiwi.com deal was found by Cheapflights users on 11/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:01 pmMCI - ORD
1 stop16h 07mMultiple Airlines
Sat 1/176:02 pmORD - MCI
1 stop17h 02mMultiple Airlines
Deal found 11/29$235
This Kiwi.com deal was found by Cheapflights users on 11/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:15 pmMCI - ORD
1 stop30h 15mSpirit Airlines
Mon 1/128:43 pmORD - MCI
2 stops19h 26mSpirit Airlines
Deal found 11/28$237
This Expedia deal was found by Cheapflights users on 11/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:09 pmMCI - ORD
1 stop28h 03mFrontier
Sun 12/77:00 amORD - MCI
1 stop12h 50mFrontier
Deal found 11/29$238
This Kiwi.com deal was found by Cheapflights users on 11/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:13 pmMCI - ORD
1 stop23h 41mFrontier
Sun 1/186:20 amORD - MCI
1 stop28h 06mFrontier
Deal found 11/29$239
This Kiwi.com deal was found by Cheapflights users on 11/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:13 pmMCI - ORD
1 stop23h 41mMultiple Airlines
Mon 1/199:59 pmORD - MCI
1 stop25h 34mMultiple Airlines
Deal found 11/29$242
This Priceline deal was found by Cheapflights users on 11/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:13 pmMCI - MDW
1 stop9h 59mFrontier
Sun 12/712:18 pmMDW - MCI
1 stop7h 32mFrontier
Deal found 11/28$242
This Mytrip deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:09 pmMCI - ORD
1 stop28h 03mFrontier
Mon 12/87:00 amORD - MCI
1 stop12h 50mFrontier
Deal found 11/30$243
This Mytrip deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:09 pmMCI - MDW
1 stop14h 59mFrontier
Mon 12/812:18 pmMDW - MCI
1 stop7h 32mFrontier
Deal found 11/30$243
This Kiwi.com deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:33 amMCI - MDW
1 stop10h 39mFrontier
Thu 1/16:12 amMDW - MCI
2 stops37h 38mFrontier
Deal found 11/30$246

Cheap flight deals from Kansas City to Illinois

Keep the following information in mind while searching for Kansas City to Illinois flight deals. Data was last updated November 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$129
(Kiwi.com)

One-way from

$67
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$339
Provider with most accurate pricing for Kansas City-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-Chicago (CHI) flights.
Search Deals
From Kansas City to Illinois
Search Deals
One-way flight from Kansas City to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas City to Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated November 30, 2025.
Use the filters below to find and compare flights from Kansas City to Illinois that are best for you.

Fly from

Kansas City

Fly to

Illinois

Route

Depart

Return

Price

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Fri 1/9

8:31 pm-10:02 am

1 stop13h 31m

Lambert-St Louis

Mon 1/12

5:11 pm-4:09 pm

1 stop22h 58m

$145

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Thu 1/8

8:23 pm-10:02 am

1 stop13h 39m

Lambert-St Louis

Mon 1/12

5:11 pm-4:09 pm

1 stop22h 58m

$151

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Thu 1/8

8:23 pm-10:02 am

1 stop13h 39m

Lambert-St Louis

Sat 1/17

3:43 pm-11:04 am

2 stops19h 21m

$165

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Fri 1/9

8:31 pm-10:02 am

1 stop13h 31m

Lambert-St Louis

Wed 1/14

8:32 pm-10:31 am

2 stops13h 59m

$170

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Sat 1/10

5:04 pm-8:40 am

1 stop15h 36m

Lambert-St Louis

Wed 1/14

3:43 pm-7:48 pm

1 stop28h 05m

$179

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Sat 1/10

5:04 pm-8:40 am

1 stop15h 36m

Lambert-St Louis

Sat 1/17

3:43 pm-7:42 pm

1 stop27h 59m

$186

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Wed 1/7

6:15 pm-2:48 pm

2 stops20h 33m

Lambert-St Louis

Sat 1/17

3:43 pm-7:42 pm

1 stop27h 59m

$188

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Wed 1/7

6:10 am-7:25 am

Nonstop1h 15m

Lambert-St Louis

Wed 1/14

10:15 am-11:25 am

Nonstop1h 10m

$197

Kansas CityChicago

MCI - MDW

MCIMDW

Kansas City

Sat 1/17

10:50 am-12:15 pm

Nonstop1h 25m

Chicago Midway

Sun 1/18

10:05 am-11:40 am

Nonstop1h 35m

$231

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

Sat 12/13

6:40 am-11:43 am

1 stop5h 03m

Chicago O'Hare Intl

Sun 1/18

6:15 am-11:00 am

1 stop4h 45m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/29

Showing 1-10 of 60 results
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Best time to book a flight from Kansas City to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Kansas City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kansas City to Illinois

What is the cheapest month to book a flight from Kansas City to Illinois?

Currently, June is the cheapest month in which you can book a flight from Kansas City to Illinois (average of $100). Flying from Kansas City to Illinois in March is currently the most expensive (average of $245). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MCI to IL?

Find hourly flight availability from Kansas City to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 30, 2025.

One of the essential ways to save on airfare from Kansas City to Illinois is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 43% on airfare.

What is the cheapest day to fly from Kansas City to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Kansas City to Illinois. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Kansas City to Illinois flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated November 30, 2025.
Read through reviews of airlines operating flights from Kansas City to Illinois, such as Southwest, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,250 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,056 reviews
Southwest
8.0
Very good
4,250 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,042 reviews
Southwest
8.0
Very good
4,250 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,098 reviews
Southwest
8.0
Very good
4,250 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Kansas City to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kansas City to Illinois?

    If you book a flight to Illinois from Kansas City, you will be flying from Kansas City, which is the city’s only airport. Kansas City (MCI) is located 17.4 mi from the center of Kansas City.

  • How long is the flight from Kansas City to Illinois?

    Airlines like Frontier, Southwest, and Delta fly from Kansas City to Illinois in about 1h 25m. The time it takes to get you to your destination can typically vary by up to 12h 14m. Kansas City and Illinois are separated by a distance of 404 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Kansas City to Illinois one-way?

    $67 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $116 and $116, respectively.

  • What are the most popular routes from Kansas City to Illinois?

    The most popular flight routes from Kansas City to Illinois are Kansas City - Chicago O'Hare Intl, Kansas City - Chicago Midway and Kansas City - Lambert-St Louis.

  • What are the most reliable airlines from Kansas City to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Kansas City to Illinois on time: Copa Airlines (88%), Qatar Airways (88%), Republic Airways (86%).

  • What are the cheapest flights from Kansas City to Illinois?

    The cheapest flight price from Kansas City to Illinois is $119. On average you can expect to pay $880. The most popular route, (Kansas City - Chicago O'Hare Intl), can usually be booked for $140.

  • Can I find deals for flights from Kansas City to Illinois that include hotel bookings?

    Yes. In addition to deals on Kansas City to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to Illinois.

  • Can I find deals for business class flights from Kansas City to Illinois?

    Yes. Cheapflights offers flight deals from Kansas City to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kansas City to Illinois?

    Currently, June is the cheapest month in which you can book a flight from Kansas City to Illinois (average of $100). Flying from Kansas City to Illinois in March is currently the most expensive (average of $245). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Kansas City to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Kansas City to Illinois

Discover the top 3 airlines that operate flights from Kansas City to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$174Average$332FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$192Average$308FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$219Average$348FlexibilityNo cancel feeOn-time63%

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