$59+ Cheap flights from Kansas 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — ORD
Feb 25 — Mar 41
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Kansas 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 to Illinois
Keep the following information in mind while searching for Kansas to Illinois flight deals. Data was last updated February 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Southwest) |
One-way from | $59 (Southwest) |
Popular in | December |
Cheapest in | August |
Average price | $459 |
Good round-trip deal | $328 or less |
Good one-way deal | $203 or less |
Find flight deals from Kansas to Illinois
Cheapest flights from Kansas to IllinoisExplore the most affordable flight options available from Kansas to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
Explore the most affordable flight options available from Kansas to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
This Southwest deal was found by Cheapflights users on 2/20. 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.
Thu 3/276:35 pmICT - STL
Nonstop1h 20mSouthwest
Mon 3/3110:45 pmSTL - ICT
Nonstop1h 25mSouthwest
Deal found 2/20![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 2/20. 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 4/84:50 pmMCI - STL
Nonstop1h 00mSouthwest
Wed 4/98:55 pmSTL - MCI
Nonstop1h 05mSouthwest
Deal found 2/20![Southwest logo]()
$117
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/273:46 pmICT - STL
1 stop6h 32mAmerican Airlines
Mon 3/315:55 amSTL - ICT
1 stop6h 11mAmerican Airlines
Deal found 2/20![American Airlines logo]()
$159
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/205:00 amTUL - STL
1 stop5h 38mAmerican Airlines
Thu 3/275:10 amSTL - TUL
1 stop4h 05mAmerican Airlines
Deal found 2/20![American Airlines logo]()
$159
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 4/2310:10 amSLN - ORD
Nonstop1h 54mUnited Airlines
Sun 4/274:20 pmORD - SLN
Nonstop2h 10mUnited Airlines
Deal found 2/18![United Airlines logo]()
$186
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/193:46 pmICT - ORD
Nonstop2h 02mAmerican Airlines
Wed 3/261:10 pmORD - ICT
Nonstop2h 02mAmerican Airlines
Deal found 2/19![American Airlines logo]()
$219
This Gotogate deal was found by Cheapflights users on 2/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/48:35 pmMCI - ORD
1 stop16h 45mFrontier
Sun 4/66:45 amORD - MCI
1 stop12h 52mFrontier
Deal found 2/18![Frontier logo]()
$229
This Booking.com deal was found by Cheapflights users on 2/19. 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.
Thu 4/1712:19 pmMCI - MDW
1 stop12h 02mFrontier
Sun 4/206:45 amMDW - MCI
1 stop12h 52mFrontier
Deal found 2/19![Frontier logo]()
$230
This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/184:59 pmMCI - ORD
1 stop24h 42mSpirit Airlines
Mon 4/215:10 amORD - MCI
1 stop10h 54mSpirit Airlines
Deal found 2/19![Spirit Airlines logo]()
$233
This Justfly.com deal was found by Cheapflights users on 2/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/25:12 pmMCI - ORD
1 stop17h 01mMultiple Airlines
Mon 4/76:40 amORD - MCI
1 stop12h 57mMultiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$235
This Southwest deal was found by Cheapflights users on 2/19. 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 3/54:00 pmICT - MDW
1 stop3h 20mSouthwest
Thu 3/67:00 amMDW - ICT
1 stop8h 40mSouthwest
Deal found 2/19![Southwest logo]()
$239
This Delta deal was found by Cheapflights users on 2/19. 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.
Wed 3/197:41 amICT - ORD
1 stop3h 49mDelta
Wed 3/265:45 amORD - ICT
1 stop5h 25mDelta
Deal found 2/19![Delta logo]()
$239
Find flights from Kansas to Illinois within your budget
Customize your flight search to find flights from Kansas 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 February 20, 2025.
Fly from
Kansas
Fly to
Illinois
Route
Depart
Return
Price
WichitaSt. Louis
ICT - STL
ICTSTL
Wichita Eisenhower National
Thu 3/27
6:35 pm-7:55 pm
Nonstop1h 20m
Lambert-St Louis
Mon 3/31
10:45 pm-12:10 am
Nonstop1h 25m
$117
Kansas CitySt. Louis
MCI - STL
MCISTL
Kansas City
Tue 4/8
4:50 pm-5:50 pm
Nonstop1h 00m
Lambert-St Louis
Wed 4/9
8:55 pm-10:00 pm
Nonstop1h 05m
$117
WichitaSt. Louis
ICT - STL
ICTSTL
Wichita Eisenhower National
Thu 3/27
3:46 pm-10:18 pm
1 stop6h 32m
Lambert-St Louis
Mon 3/31
5:55 am-12:06 pm
1 stop6h 11m
$159
TulsaSt. Louis
TUL - STL
TULSTL
Tulsa
Thu 3/20
5:00 am-10:38 am
1 stop5h 38m
Lambert-St Louis
Thu 3/27
5:10 am-9:15 am
1 stop4h 05m
$159
SalinaChicago
SLN - ORD
SLNORD
Salina
Wed 4/23
10:10 am-12:04 pm
Nonstop1h 54m
Chicago O'Hare Intl
Sun 4/27
4:20 pm-6:30 pm
Nonstop2h 10m
$186
WichitaChicago
ICT - ORD
ICTORD
Wichita Eisenhower National
Wed 3/19
3:46 pm-5:48 pm
Nonstop2h 02m
Chicago O'Hare Intl
Wed 3/26
1:10 pm-3:12 pm
Nonstop2h 02m
$219
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Fri 4/4
8:35 pm-1:20 pm
1 stop16h 45m
Chicago O'Hare Intl
Sun 4/6
6:45 am-7:37 pm
1 stop12h 52m
$229
Kansas CityChicago
MCI - MDW
MCIMDW
Kansas City
Thu 4/17
12:19 pm-12:21 am
1 stop12h 02m
Chicago Midway
Sun 4/20
6:45 am-7:37 pm
1 stop12h 52m
$230
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Fri 4/18
4:59 pm-5:41 pm
1 stop24h 42m
Chicago O'Hare Intl
Mon 4/21
5:10 am-4:04 pm
1 stop10h 54m
$233
Kansas CityChicago
MCI - ORD
MCIORD
Kansas City
Wed 4/2
5:12 pm-10:13 am
1 stop17h 01m
Chicago O'Hare Intl
Mon 4/7
6:40 am-7:37 pm
1 stop12h 57m
$235
Showing 1-10 of 60 results
Best time to book a flight from Kansas to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Kansas 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.
Travel insights for flights from Kansas to Illinois
Get recent, data-driven insights about flights from Kansas to Illinois including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Kansas to Illinois?
Currently, August is the cheapest month in which you can book a flight from Kansas to Illinois (average of $245). Flying from Kansas 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 KS to IL?
Find hourly flight availability from Kansas 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 February 20, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kansas to Illinois as you normally would.
Weekly flight availability from Kansas to Illinois
Explore weekly flight availability from Kansas 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 February 20, 2025.
The most flights from USKS to USIL are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 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 February 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Kansas to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Overall
8.1
Boarding
8.2
Comfort
8.1
Entertainment
7.6
Food
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Overall
8.1
Boarding
8.2
Comfort
8.1
Entertainment
7.6
Food
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Overall
8.1
Boarding
8.2
Comfort
8.1
Entertainment
7.6
Food
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Overall
8.1
Boarding
8.2
Comfort
8.1
Entertainment
7.6
Food
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Overall
8.1
Boarding
8.2
Comfort
8.1
Entertainment
7.6
Food
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.7
Overall
8.1
Boarding
8.2
Comfort
8.1
Entertainment
7.6
Food
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Related info for your journey
Find useful and relevant information for your journey from Kansas 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 to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Kansas to Illinois
Discover the top 3 airlines that operate flights from Kansas 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 February 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$271 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$206 | Average$415 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$314 | FlexibilityNo cancel fee | On-time63% |