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$49+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ORD
nov. 13 — nov. 201
jue. 11/13
jue. 11/20
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 octubre 14, 2025.

This Southwest deal was found by Cheapflights users on 10/14. 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.
jue. 12/44:10 pmMCI - STL
Nonstop1h 05mSouthwest
lun. 12/82:25 pmSTL - MCI
Nonstop1h 10mSouthwest
Deal found 10/14$97
This Frontier deal was found by Cheapflights users on 10/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/48:33 pmMCI - STL
1 stop13h 29mFrontier
sáb. 12/67:43 pmSTL - MCI
1 stop23h 49mFrontier
Deal found 10/13$109
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
lun. 11/108:28 pmMCI - STL
1 stop12h 39mFrontier
lun. 11/177:45 pmSTL - MCI
1 stop21h 34mFrontier
Deal found 10/12$149
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
lun. 11/37:33 pmMCI - ORD
1 stop14h 14mMultiple Airlines
mar. 11/46:05 pmORD - MCI
1 stop23h 14mMultiple Airlines
Deal found 10/12$166
This Frontier deal was found by Cheapflights users on 10/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1311:12 amMCI - MDW
1 stop10h 51mFrontier
vie. 11/1412:30 pmMDW - MCI
1 stop7h 08mFrontier
Deal found 10/13$167
This Frontier deal was found by Cheapflights users on 10/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/1411:12 amMCI - ORD
1 stop5h 44mFrontier
dom. 11/165:01 amORD - MCI
1 stop5h 16mFrontier
Deal found 10/12$169
This Priceline deal was found by Cheapflights users on 10/13. 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.
vie. 10/3111:12 amMCI - MDW
1 stop7h 27mFrontier
lun. 11/312:30 pmMDW - MCI
1 stop7h 08mFrontier
Deal found 10/13$171
This Southwest deal was found by Cheapflights users on 10/12. 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.
mié. 11/126:15 amMCI - STL
Nonstop1h 15mSouthwest
jue. 11/133:45 pmSTL - MCI
Nonstop1h 05mSouthwest
Deal found 10/12$171
This Priceline deal was found by Cheapflights users on 10/13. 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.
vie. 11/711:12 amMCI - ORD
1 stop5h 44mFrontier
dom. 11/95:01 amORD - MCI
1 stop5h 16mFrontier
Deal found 10/13$174
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
sáb. 11/158:28 pmMCI - MDW
1 stop15h 02mMultiple Airlines
lun. 11/179:27 amMDW - MCI
1 stop27h 01mMultiple Airlines
Deal found 10/14$176
This Trip.com deal was found by Cheapflights users on 10/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/278:38 pmMCI - ORD
1 stop27h 34mFrontier
vie. 10/316:00 amORD - MCI
1 stop13h 33mFrontier
Deal found 10/12$181
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
lun. 11/1011:12 amMCI - MDW
1 stop7h 27mFrontier
lun. 11/171:37 pmMDW - MCI
2 stops27h 42mFrontier
Deal found 10/13$183

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 octubre 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$97
(Southwest)

One-way from

$49
(Southwest)

Popular in

March

Cheapest in

September

Average price

$309
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. 6% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 octubre 14, 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

jue. 12/4

4:10 pm-5:15 pm

Nonstop1h 05m

Lambert-St Louis

lun. 12/8

2:25 pm-3:35 pm

Nonstop1h 10m

$97

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

jue. 12/4

8:33 pm-10:02 am

1 stop13h 29m

Lambert-St Louis

sáb. 12/6

7:43 pm-7:32 pm

1 stop23h 49m

$109

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

mié. 2/25

7:50 am-1:35 pm

1 stop5h 45m

Lambert-St Louis

jue. 2/26

5:00 am-9:40 am

1 stop4h 40m

$117

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

lun. 11/10

8:28 pm-9:07 am

1 stop12h 39m

Lambert-St Louis

lun. 11/17

7:45 pm-5:19 pm

1 stop21h 34m

$149

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

jue. 12/4

4:10 pm-5:15 pm

Nonstop1h 05m

Lambert-St Louis

sáb. 12/6

10:25 am-11:35 am

Nonstop1h 10m

$171

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

mié. 11/12

6:15 am-7:30 am

Nonstop1h 15m

Lambert-St Louis

jue. 11/13

3:45 pm-4:50 pm

Nonstop1h 05m

$171

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

mié. 11/12

6:00 am-7:46 am

Nonstop1h 46m

Chicago O'Hare Intl

mié. 11/19

7:20 am-8:56 am

Nonstop1h 36m

$231

Kansas CityChicago

MCI - MDW

MCIMDW

Kansas City

sáb. 2/21

11:55 am-1:20 pm

Nonstop1h 25m

Chicago Midway

lun. 2/23

11:00 am-12:30 pm

Nonstop1h 30m

$235

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

jue. 11/13

8:00 am-9:38 am

Nonstop1h 38m

Chicago O'Hare Intl

sáb. 11/15

12:45 pm-2:21 pm

Nonstop1h 36m

$247

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

sáb. 12/6

8:00 am-9:38 am

Nonstop1h 38m

Chicago O'Hare Intl

lun. 12/8

8:18 pm-9:58 pm

Nonstop1h 40m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

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 octubre 14, 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 44% 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.

Weekly flight availability from Kansas City to Illinois

Explore weekly flight availability from Kansas City to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated octubre 14, 2025.

The most flights from MCI to USIL are scheduled on a Monday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

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 octubre 14, 2025.
Read through reviews of airlines operating flights from Kansas City to Illinois, such as Southwest, Delta, and United 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
4,238 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,975 reviews
Southwest
8.0
Very good
4,238 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,976 reviews
Southwest
8.0
Very good
4,238 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,042 reviews
Southwest
8.0
Very good
4,238 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,135 reviews
Southwest
8.0
Very good
4,238 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 Southwest, Frontier, and United Airlines fly from Kansas City to Illinois in about 1h 05m. The time it takes to get you to your destination can typically vary by up to 12h 24m. Kansas City and Illinois are separated by a distance of 236 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?

    $49 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $104 and $114, 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: Republic Airways (94%), Turkish Airlines (92%), ANA (87%).

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

    The cheapest flight price from Kansas City to Illinois is $115. On average you can expect to pay $930. The most popular route, (Kansas City - Chicago O'Hare Intl), can usually be booked for $205.

  • 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 4 airlines flying from Kansas City to Illinois

Discover the top 4 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 octubre 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$182FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$174Average$333FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$195Average$309FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$217Average$346FlexibilityNo cancel feeOn-time63%

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