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$39+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$124
(Southwest)

One-way from

$39
(Southwest)

Popular in

March

Cheapest in

September

Average price

$324
From Kansas City to Illinois
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One-way flight from Kansas City to Illinois
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Highest demand for flights based on searches. 7% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Kansas City to Illinois

Cheapest flights from Kansas City to Illinois
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 June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/12. 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 9/68:35 amMCI - STL
Nonstop1h 05mSouthwest
Mon 9/89:50 amSTL - MCI
Nonstop1h 05mSouthwest
Deal found 6/12$124
This Southwest deal was found by Cheapflights users on 6/10. 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 8/235:25 pmMCI - ORD
1 stop4h 35mSouthwest
Mon 8/255:45 pmORD - MCI
1 stop5h 00mSouthwest
Deal found 6/10$174
This Southwest deal was found by Cheapflights users on 6/11. 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 8/147:10 pmMCI - MDW
1 stop4h 40mSouthwest
Sat 8/168:00 amMDW - MCI
1 stop7h 40mSouthwest
Deal found 6/11$174
This Delta deal was found by Cheapflights users on 6/12. 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 9/106:35 amMCI - ORD
1 stop6h 10mDelta
Wed 9/246:00 amORD - MCI
1 stop3h 58mDelta
Deal found 6/12$177
This Delta deal was found by Cheapflights users on 6/11. 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 8/52:07 pmMCI - MDW
1 stop4h 33mDelta
Wed 8/139:31 amMDW - MCI
1 stop3h 47mDelta
Deal found 6/11$177
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/107:12 amMCI - ORD
Nonstop1h 39mAmerican Airlines
Tue 9/1611:54 amORD - MCI
1 stop5h 31mAmerican Airlines
Deal found 6/11$180
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/287:30 amMCI - ORD
Nonstop1h 47mUnited Airlines
Mon 9/17:25 amORD - MCI
Nonstop1h 44mUnited Airlines
Deal found 6/10$199
This Mytrip deal was found by Cheapflights users on 6/9. 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.
Mon 7/711:00 amMCI - ORD
1 stop4h 33mSpirit Airlines
Mon 7/143:18 pmORD - MCI
1 stop22h 19mSpirit Airlines
Deal found 6/9$232
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Thu 7/1010:30 amMCI - STL
1 stop23h 22mSpirit Airlines
Thu 7/1710:47 amSTL - MCI
2 stops26h 50mSpirit Airlines
Deal found 6/12$257
This American Airlines deal was found by Cheapflights users on 6/11. 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 6/145:00 amMCI - MLI
1 stop5h 54mAmerican Airlines
Sun 6/156:34 pmMLI - MCI
1 stop5h 25mAmerican Airlines
Deal found 6/11$259
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Thu 8/282:18 pmMCI - ORD
1 stop20h 19mFrontier
Sun 8/316:00 amORD - MCI
1 stop7h 33mFrontier
Deal found 6/11$291
This Frontier deal was found by Cheapflights users on 6/11. 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.
Fri 8/111:20 amMCI - STL
1 stop26h 39mFrontier
Sun 8/32:36 pmSTL - MCI
1 stop19h 45mFrontier
Deal found 6/11$298

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 June 12, 2025.
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

Sat 9/6

8:35 am-9:40 am

Nonstop1h 05m

Lambert-St Louis

Mon 9/8

9:50 am-10:55 am

Nonstop1h 05m

$124

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

Sat 8/23

5:25 pm-10:00 pm

1 stop4h 35m

Chicago O'Hare Intl

Mon 8/25

5:45 pm-10:45 pm

1 stop5h 00m

$174

Kansas CityChicago

MCI - MDW

MCIMDW

Kansas City

Thu 8/14

7:10 pm-11:50 pm

1 stop4h 40m

Chicago Midway

Sat 8/16

8:00 am-3:40 pm

1 stop7h 40m

$174

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

Wed 9/10

6:35 am-12:45 pm

1 stop6h 10m

Chicago O'Hare Intl

Wed 9/24

6:00 am-9:58 am

1 stop3h 58m

$177

Kansas CityChicago

MCI - MDW

MCIMDW

Kansas City

Tue 8/5

2:07 pm-6:40 pm

1 stop4h 33m

Chicago Midway

Wed 8/13

9:31 am-1:18 pm

1 stop3h 47m

$177

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

Wed 9/10

7:12 am-8:51 am

Nonstop1h 39m

Chicago O'Hare Intl

Tue 9/16

11:54 am-5:25 pm

1 stop5h 31m

$180

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

Thu 8/28

7:30 am-9:17 am

Nonstop1h 47m

Chicago O'Hare Intl

Mon 9/1

7:25 am-9:09 am

Nonstop1h 44m

$199

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

Mon 7/7

11:00 am-3:33 pm

1 stop4h 33m

Chicago O'Hare Intl

Mon 7/14

3:18 pm-1:37 pm

1 stop22h 19m

$232

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Thu 7/10

10:30 am-9:52 am

1 stop23h 22m

Lambert-St Louis

Thu 7/17

10:47 am-1:37 pm

2 stops26h 50m

$257

Kansas CityChicago

MCI - ORD

MCIORD

Kansas City

Thu 8/28

2:18 pm-10:37 am

1 stop20h 19m

Chicago O'Hare Intl

Sun 8/31

6:00 am-1:33 pm

1 stop7h 33m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 39 results
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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, 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 June 12, 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 June 12, 2025.

The most flights from MCI to USIL are scheduled on a Thursday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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 June 12, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What airport do you fly from for flights from Kansas City to Illinois?

    If you book a flight to Illinois from Kansas City, you will be flying from Kansas City, which is the city’s only airport. Kansas City (MCI) is located 17.4 mi from the center of Kansas City.

  • What are the cheapest airlines to fly from Kansas City to Illinois one-way?

    $39 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $84 and $85, respectively.

  • What are the most popular routes from Kansas City to Illinois?

    The most popular flight routes from Kansas City to Illinois are Kansas City - Chicago O'Hare Intl, Kansas City - Chicago Midway and Kansas City - Lambert-St Louis.

  • What are the most reliable airlines from Kansas City to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Kansas City to Illinois on time: Copa Airlines (96%), ANA (92%), Republic Airways (91%).

  • What are the cheapest flights from Kansas City to Illinois?

    The cheapest flight price from Kansas City to Illinois is $105. On average you can expect to pay $2,308. The most popular route, (Kansas City - Chicago O'Hare Intl), can usually be booked for $109.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kansas City 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 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.

See more FAQs

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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.
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Kansas City to Atlanta flights
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Kansas City to Tampa flights
St. Louis to San Francisco flights
Kansas City to Honolulu flights
Kansas City to Minneapolis flights
St. Louis to Minneapolis flights
St. Louis to Philadelphia flights
Kansas City to Reagan-National flights
St. Louis to Salt Lake City flights
St. Louis to Honolulu flights
Kansas City to Salt Lake City flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$163Average$293FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$325FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$208Average$325FlexibilityNo cancel feeOn-time63%

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