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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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — ORD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$97
(Southwest)

One-way from

$49
(Southwest)

Popular in

December

Cheapest in

October

Average price

$279

Good round-trip deal

$205 or less

Good one-way deal

$278 or less
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. 15% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/238:25 amICT - STL
Nonstop1h 20mSouthwest
Tue 8/2610:15 amSTL - ICT
Nonstop1h 20mSouthwest
Deal found 7/28$97
This Southwest deal was found by Cheapflights users on 7/30. 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 8/266:15 amMCI - STL
Nonstop1h 05mSouthwest
Tue 9/210:25 amSTL - MCI
Nonstop1h 05mSouthwest
Deal found 7/30$97
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2312:14 pmICT - STL
1 stop6h 16mAmerican Airlines
Tue 8/265:15 amSTL - ICT
1 stop4h 27mAmerican Airlines
Deal found 7/28$159
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/274:30 pmMCI - MDW
1 stop5h 55mSouthwest
Sat 10/45:20 pmMDW - MCI
Nonstop1h 25mSouthwest
Deal found 7/28$187
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 8/266:00 amMCI - ORD
Nonstop1h 40mAmerican Airlines
Thu 8/2811:41 amORD - MCI
Nonstop1h 41mAmerican Airlines
Deal found 7/30$188
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/118:01 pmMCI - ORD
1 stop28h 31mFrontier
Wed 8/137:00 amORD - MCI
1 stop11h 23mFrontier
Deal found 7/30$195
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Sat 11/14:30 pmMCI - MDW
1 stop21h 14mFrontier
Sun 11/24:29 pmMDW - MCI
1 stop26h 33mFrontier
Deal found 7/29$195
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/252:18 pmMCI - STL
1 stop18h 53mFrontier
Wed 9/37:54 pmSTL - MCI
1 stop17h 54mFrontier
Deal found 7/30$195
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:35 amMCI - ORD
1 stop3h 45mDelta
Tue 9/92:00 pmORD - MCI
1 stop7h 05mDelta
Deal found 7/30$197
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:35 amMCI - MDW
1 stop5h 53mDelta
Sat 8/307:17 pmMDW - MCI
1 stop3h 48mDelta
Deal found 7/28$197
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/208:05 amJLN - ORD
Nonstop1h 56mUnited Airlines
Tue 8/269:50 pmORD - JLN
Nonstop1h 53mUnited Airlines
Deal found 7/30$201
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/253:20 pmMCI - ORD
1 stop7h 45mSouthwest
Tue 8/267:30 amORD - MCI
1 stop7h 25mSouthwest
Deal found 7/28$208

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 July 30, 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

Sat 8/23

8:25 am-9:45 am

Nonstop1h 20m

Lambert-St Louis

Tue 8/26

10:15 am-11:35 am

Nonstop1h 20m

$97

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Tue 8/26

6:15 am-7:20 am

Nonstop1h 05m

Lambert-St Louis

Tue 9/2

10:25 am-11:30 am

Nonstop1h 05m

$97

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

Sat 8/23

12:14 pm-6:30 pm

1 stop6h 16m

Lambert-St Louis

Tue 8/26

5:15 am-9:42 am

1 stop4h 27m

$159

Kansas CityChicago

MCI - MDW

MCIMDW

Kansas City

Wed 8/27

4:30 pm-10:25 pm

1 stop5h 55m

Chicago Midway

Sat 10/4

5:20 pm-6:45 pm

Nonstop1h 25m

$187

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

Tue 8/26

6:00 am-7:40 am

Nonstop1h 40m

Chicago O'Hare Intl

Thu 8/28

11:41 am-1:22 pm

Nonstop1h 41m

$188

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

Mon 8/11

8:01 pm-12:32 am

1 stop28h 31m

Chicago O'Hare Intl

Wed 8/13

7:00 am-6:23 pm

1 stop11h 23m

$195

Kansas CityChicago

MCI - MDW

MCIMDW

Kansas City

Sat 11/1

4:30 pm-1:44 pm

1 stop21h 14m

Chicago Midway

Sun 11/2

4:29 pm-7:02 pm

1 stop26h 33m

$195

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Mon 8/25

2:18 pm-9:11 am

1 stop18h 53m

Lambert-St Louis

Wed 9/3

7:54 pm-1:48 pm

1 stop17h 54m

$195

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

Tue 8/26

6:35 am-10:20 am

1 stop3h 45m

Chicago O'Hare Intl

Tue 9/9

2:00 pm-9:05 pm

1 stop7h 05m

$197

Kansas CityChicago

MCI - MDW

MCIMDW

Kansas City

Wed 8/27

6:35 am-12:28 pm

1 stop5h 53m

Chicago Midway

Sat 8/30

7:17 pm-11:05 pm

1 stop3h 48m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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, 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 July 30, 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 July 30, 2025.

The most flights from USKS to USIL are scheduled on a Monday (29 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (16 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 July 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Kansas to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 American Airlines and Delta, with prices starting from $80 and $84, 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, 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.

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 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$185Average$295FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$209Average$367FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$258Average$314FlexibilityNo cancel feeOn-time63%

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