$66+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ORD
Feb 28 — Mar 71
1 adult, Economy
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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 January 29, 2026.
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 January 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/612:45 pm
MCI
- STL
1 stop18h 06m
Frontier
Sat 2/78:22 pm
STL
- MCI
1 stop13h 31m
Frontier
Deal found 1/28![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Tue 2/244:24 pm
MCI
- STL
1 stop30h 03m
Multiple Airlines
Tue 3/33:49 pm
STL
- MCI
1 stop23h 40m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/88:40 pm
MCI
- STL
1 stop13h 09m
Multiple Airlines
Tue 3/104:51 pm
STL
- MCI
1 stop22h 38m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$187
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 2/249:10 am
MCI
- ORD
Nonstop1h 41m
United Airlines
Tue 3/38:15 pm
ORD
- MCI
Nonstop1h 44m
United Airlines
Deal found 1/27![United Airlines logo]()
$191
This Southwest deal was found by Cheapflights users on 1/27. 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 3/47:35 am
MCI
- MDW
Nonstop1h 35m
Southwest
Wed 3/41:15 pm
MDW
- MCI
Nonstop1h 30m
Southwest
Deal found 1/27![Southwest logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/2011:00 am
MCI
- ORD
1 stop23h 46m
Multiple Airlines
Mon 2/236:51 pm
ORD
- MCI
2 stops20h 38m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$193
This Southwest deal was found by Cheapflights users on 1/26. 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.
Tue 2/246:10 am
MCI
- STL
Nonstop1h 15m
Southwest
Tue 3/310:15 am
STL
- MCI
Nonstop1h 10m
Southwest
Deal found 1/26![Southwest logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 2/269:24 pm
MCI
- ORD
2 stops13h 27m
Frontier
Sat 2/284:42 pm
ORD
- MCI
1 stop17h 16m
Frontier
Deal found 1/27![Frontier logo]()
$197
This Southwest deal was found by Cheapflights users on 1/27. 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 2/253:25 pm
MCI
- STL
1 stop5h 10m
Southwest
Wed 3/41:15 pm
STL
- MCI
1 stop3h 30m
Southwest
Deal found 1/27![Southwest logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/244:24 pm
MCI
- ORD
2 stops32h 16m
Multiple Airlines
Tue 3/38:30 am
ORD
- MCI
1 stop30h 59m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 2/198:28 pm
MCI
- STL
1 stop16h 41m
Multiple Airlines
Mon 2/233:49 pm
STL
- MCI
1 stop23h 40m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/2011:00 am
MCI
- ORD
1 stop11h 39m
Multiple Airlines
Sun 2/223:40 pm
ORD
- MCI
1 stop18h 50m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$199
Find 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 January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $181 (Kiwi.com) |
One-way from | $66 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $325 |
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 January 29, 2026.
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
Wed 2/25
6:10 am-7:25 am
Nonstop1h 15m
Lambert-St Louis
Wed 3/4
10:15 am-11:25 am
Nonstop1h 10m
$193
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 2/24
6:10 am-7:25 am
Nonstop1h 15m
Lambert-St Louis
Tue 3/3
10:15 am-11:25 am
Nonstop1h 10m
$193
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Thu 2/19
8:28 pm-1:09 pm
1 stop16h 41m
Lambert-St Louis
Mon 2/23
3:49 pm-3:29 pm
1 stop23h 40m
$198
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 2/10
5:04 pm-10:27 pm
1 stop29h 23m
Lambert-St Louis
Sat 2/14
8:17 pm-9:29 am
1 stop13h 12m
$205
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Fri 2/20
11:00 am-10:25 pm
1 stop11h 25m
Chicago Midway
Mon 2/23
9:22 pm-3:29 pm
1 stop18h 07m
$209
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Wed 4/1
12:17 pm-6:02 pm
1 stop5h 45m
Chicago O'Hare Intl
Sat 4/4
5:59 pm-12:12 am
1 stop6h 13m
$211
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Tue 4/7
7:10 am-3:00 pm
1 stop7h 50m
Chicago O'Hare Intl
Tue 4/14
11:55 am-6:10 pm
1 stop6h 15m
$211
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Tue 2/24
7:00 am-1:00 pm
1 stop6h 00m
Chicago O'Hare Intl
Tue 3/3
2:15 pm-7:50 pm
1 stop5h 35m
$211
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Wed 4/1
6:05 am-12:29 pm
2 stops6h 24m
Chicago Midway
Sat 4/4
7:20 pm-11:03 pm
1 stop3h 43m
$216
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Tue 4/28
2:10 pm-5:10 pm
1 stop3h 00m
Chicago Midway
Sat 5/2
10:30 am-12:00 pm
Nonstop1h 30m
$220
Showing 1-10 of 60 results
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 February is currently the most expensive (average of $248). 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 January 29, 2026.
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 morning could potentially save you up to 27% 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 January 24, 2026.
Travelers seeking maximum savings on their Kansas City to Illinois flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday mornings 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 January 29, 2026.
The most flights from MCI to USIL are scheduled on a Monday (45 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 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 January 29, 2026.
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.
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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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.
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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$173 | Average$331 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$315 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$214 | Average$353 | FlexibilityNo cancel fee | On-time63% |