$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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Kansas City to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 April 15, 2025.
Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $97 (Southwest) |
One-way from | $49 (Southwest) |
Popular in | March |
Cheapest in | September |
Average price | $309 |
Find flight deals from Kansas City to Illinois
Cheapest flights from Kansas City to IllinoisExplore 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 April 15, 2025.
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 April 15, 2025.
This Southwest deal was found by Cheapflights users on 4/15. 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.
This American Airlines deal was found by Cheapflights users on 4/15. 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.
This Southwest deal was found by Cheapflights users on 4/15. 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.
This Mytrip deal was found by Cheapflights users on 4/15. 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.
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 4/14. 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.
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight 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 April 15, 2025.
Use the filters below to find and compare flights from Kansas City to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Wed 6/4
4:50 pm-5:50 pm
Nonstop1h 00m
Lambert-St Louis
Thu 6/5
10:40 pm-11:45 pm
Nonstop1h 05m
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Tue 5/13
6:48 am-8:30 am
Nonstop1h 42m
Chicago O'Hare Intl
Tue 5/20
6:49 am-8:28 am
Nonstop1h 39m
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Fri 5/2
9:35 pm-10:55 pm
Nonstop1h 20m
Chicago Midway
Sat 5/3
2:15 pm-9:10 pm
2 stops6h 55m
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Tue 5/13
9:07 pm-6:42 am
1 stop9h 35m
Chicago O'Hare Intl
Tue 5/20
12:41 pm-1:50 pm
2 stops25h 09m
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Mon 5/12
6:40 pm-8:20 pm
Nonstop1h 40m
Chicago O'Hare Intl
Thu 5/22
8:50 am-10:34 am
Nonstop1h 44m
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Tue 4/29
5:50 am-12:45 pm
2 stops6h 55m
Chicago O'Hare Intl
Tue 4/29
1:50 pm-10:35 pm
2 stops8h 45m
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Wed 6/4
7:56 pm-11:59 pm
1 stop28h 03m
Chicago O'Hare Intl
Fri 6/6
6:00 am-7:06 pm
1 stop13h 06m
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Wed 5/14
2:05 pm-6:45 pm
1 stop4h 40m
Chicago Midway
Wed 5/21
9:16 am-1:18 pm
1 stop4h 02m
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Thu 5/8
8:51 pm-11:41 pm
1 stop26h 50m
Chicago O'Hare Intl
Sun 5/18
9:55 am-10:31 am
1 stop24h 36m
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Fri 6/27
11:20 am-11:18 pm
1 stop11h 58m
Chicago Midway
Mon 6/30
12:35 pm-7:06 pm
1 stop6h 31m
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.
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, August is the cheapest month in which you can book a flight from Kansas City to Illinois (average of $245). Flying from Kansas City to Illinois in March is currently the most expensive (average of $321). 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 April 15, 2025.
When flying from Kansas City to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 April 15, 2025.
The most flights from MCI to USIL are scheduled on a Tuesday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 on average).
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
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 April 15, 2025.
To help decide which airline to fly from Kansas City to Illinois, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Entertainment
Comfort
Overall
Crew
Food
Reviews
Anonymous,Apr 2025
LAS - STS
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Kansas City to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
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 April 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$264 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$162 | Average$320 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$333 | FlexibilityNo cancel fee | On-time63% |