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$49+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — ORD
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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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 November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$134
(Southwest)

One-way from

$49
(Southwest)

Popular in

December

Cheapest in

September

Average price

$279

Good round-trip deal

$249 or less

Good one-way deal

$283 or less
Provider with most accurate pricing for Wichita Eisenhower National-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Wichita Eisenhower National-Chicago (CHI) flights.
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From Kansas to Illinois
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One-way flight from Kansas to Illinois
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Highest demand for flights based on searches. 16% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Kansas to Illinois.
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Price to beat on a one-way flight from Kansas to Illinois.
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Find flight deals from Kansas to Illinois

Cheapest flights from Kansas to Illinois
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 November 2, 2025.

This Southwest deal was found by Cheapflights users on 10/30. 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.
Tue 12/96:05 amICT - STL
Nonstop1h 25mSouthwest
Thu 12/118:40 pmSTL - ICT
Nonstop1h 25mSouthwest
Deal found 10/30$97
This Southwest deal was found by Cheapflights users on 10/31. 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 12/106:15 amMCI - STL
Nonstop1h 15mSouthwest
Thu 12/1110:20 amSTL - MCI
Nonstop1h 10mSouthwest
Deal found 10/31$144
This Delta deal was found by Cheapflights users on 10/31. 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.
Tue 12/97:38 amICT - STL
1 stop4h 26mDelta
Thu 12/116:00 amSTL - ICT
1 stop5h 03mDelta
Deal found 10/31$157
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amTUL - STL
1 stop4h 37mAmerican Airlines
Mon 12/810:13 amSTL - TUL
1 stop8h 11mAmerican Airlines
Deal found 10/30$159
This Trip.com deal was found by Cheapflights users on 11/1. 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.
Thu 11/138:28 pmMCI - STL
1 stop12h 39mFrontier
Mon 11/177:45 pmSTL - MCI
1 stop21h 34mFrontier
Deal found 11/1$170
This Southwest deal was found by Cheapflights users on 11/1. 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 12/46:15 amMCI - STL
Nonstop1h 15mSouthwest
Mon 12/82:25 pmSTL - MCI
Nonstop1h 10mSouthwest
Deal found 11/1$171
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/410:52 amMCI - ORD
2 stops13h 20mFrontier
Mon 12/87:00 amORD - MCI
1 stop12h 50mFrontier
Deal found 10/31$180
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/37:31 pmMCI - ORD
1 stop18h 26mMultiple Airlines
Mon 12/87:00 amORD - MCI
1 stop12h 50mMultiple Airlines
Deal found 11/1$181
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/52:48 pmMCI - ORD
2 stops21h 06mFrontier
Sun 12/77:00 amORD - MCI
1 stop12h 50mFrontier
Deal found 10/31$184
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/1110:52 amMCI - ORD
2 stops13h 20mFrontier
Mon 12/157:00 amORD - MCI
1 stop12h 50mFrontier
Deal found 11/1$186
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/48:09 pmMCI - MDW
2 stops26h 03mFrontier
Mon 12/812:18 pmMDW - MCI
1 stop7h 32mFrontier
Deal found 10/31$189
This Frontier deal was found by Cheapflights users on 11/1. 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.
Mon 11/1011:12 amMCI - ORD
1 stop5h 44mFrontier
Sat 11/157:15 amORD - MCI
1 stop12h 18mFrontier
Deal found 11/1$191

Cheapflights Fare Finder

 
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 November 2, 2025.
Use the filters below to find and compare flights from Kansas to Illinois that are best for you.

Fly from

Kansas

Fly to

Illinois

Route

Depart

Return

Price

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

Tue 12/9

8:35 am-5:25 pm

2 stops8h 50m

Lambert-St Louis

Thu 12/11

8:40 pm-10:05 pm

Nonstop1h 25m

$112

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

Sat 1/10

6:35 am-8:00 am

Nonstop1h 25m

Lambert-St Louis

Wed 1/14

10:15 am-11:40 am

Nonstop1h 25m

$134

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Wed 12/10

6:15 am-7:30 am

Nonstop1h 15m

Lambert-St Louis

Thu 12/11

10:20 am-11:30 am

Nonstop1h 10m

$144

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

Tue 12/9

7:38 am-12:04 pm

1 stop4h 26m

Lambert-St Louis

Thu 12/11

6:00 am-11:03 am

1 stop5h 03m

$157

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Thu 12/4

6:15 am-7:30 am

Nonstop1h 15m

Lambert-St Louis

Mon 12/8

2:25 pm-3:35 pm

Nonstop1h 10m

$171

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Mon 11/10

8:28 pm-9:07 am

1 stop12h 39m

Lambert-St Louis

Wed 11/12

7:45 pm-7:38 pm

1 stop23h 53m

$202

WichitaChicago

ICT - ORD

ICTORD

Wichita Eisenhower National

Sat 11/29

7:30 am-9:29 am

Nonstop1h 59m

Chicago O'Hare Intl

Sat 12/6

7:51 pm-9:55 pm

Nonstop2h 04m

$209

WichitaChicago

ICT - ORD

ICTORD

Wichita Eisenhower National

Sat 12/6

6:22 pm-8:25 pm

Nonstop2h 03m

Chicago O'Hare Intl

Mon 12/8

7:51 pm-9:55 pm

Nonstop2h 04m

$209

WichitaChicago

ICT - ORD

ICTORD

Wichita Eisenhower National

Fri 12/12

6:22 pm-8:25 pm

Nonstop2h 03m

Chicago O'Hare Intl

Sun 12/14

9:00 am-11:19 am

Nonstop2h 19m

$209

WichitaChicago

ICT - ORD

ICTORD

Wichita Eisenhower National

Sat 12/27

7:30 am-9:38 am

Nonstop2h 08m

Chicago O'Hare Intl

Tue 12/30

8:51 am-11:29 am

Nonstop2h 38m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 results
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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.

Cheapflights Insights

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

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

Currently, June is the cheapest month in which you can book a flight from Kansas to Illinois (average of $123). Flying from Kansas to Illinois in April is currently the most expensive (average of $253). 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 November 2, 2025.

A simple way to save on the total cost of your ticket is to fly from Kansas to Illinois in the evening. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Kansas to Illinois. Price data was last updated on November 24, 2024.

Travelers seeking maximum savings on their Kansas to Illinois flight should consider departing on Wednesday mornings when fares are most often at their lowest. Tuesday evenings 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 2, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Kansas to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,994 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,994 reviews
United Airlines
7.4
Good
8,994 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,033 reviews
United Airlines
7.4
Good
8,994 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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.

  • How long is the flight from Kansas to Illinois?

    Airlines like Southwest, Delta, and United Airlines fly from Kansas to Illinois in about 1h 59m. The time it takes to get you to your destination can typically vary by up to 6h 51m. There are 587 mi between Kansas and Illinois. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kansas 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 Delta and United Airlines, with prices starting from $115 and $116, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kansas 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 to Illinois?

    Currently, June is the cheapest month in which you can book a flight from Kansas to Illinois (average of $123). Flying from Kansas to Illinois in April is currently the most expensive (average of $253). 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 to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Kansas to Illinois

Discover the top 2 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$185Average$298FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$209Average$364FlexibilityNo cancel feeOn-time71%

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