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St. Louis

$49+ Cheap flights from Kansas to St. Louis (STL)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — STL
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheap flight deals from Kansas to St. Louis

Keep the following information in mind while searching for Kansas to St. Louis flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$97
(Southwest)

One-way from

$49
(Southwest)

Popular in

December

Cheapest in

April

Average price

$395

Good round-trip deal

$376 or less

Good one-way deal

$203 or less
Provider with most accurate pricing for Wichita Eisenhower National-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Wichita Eisenhower National-Lambert-St Louis flights.
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From Kansas to Lambert-St Louis
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One-way flight from Kansas to Lambert-St Louis
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Highest demand for flights based on searches. 19% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Kansas to Lambert-St Louis.
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Price to beat on a one-way flight from Kansas to Lambert-St Louis.
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Find flight deals from Kansas to St. Louis

Cheapest flights from Kansas to St. Louis
Explore the most affordable flight options available from Kansas to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 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.
mar. 12/96:05 amICT - STL
Nonstop1h 25mSouthwest
jue. 12/1110:25 amSTL - ICT
Nonstop1h 30mSouthwest
Deal found 10/30$97
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/46:15 amMCI - STL
Nonstop1h 15mSouthwest
lun. 12/82:25 pmSTL - MCI
Nonstop1h 10mSouthwest
Deal found 10/29$97
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.
jue. 12/46:00 amTUL - STL
1 stop4h 37mAmerican Airlines
lun. 12/810:13 amSTL - TUL
1 stop8h 11mAmerican Airlines
Deal found 10/30$159
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/56:49 pmMCI - STL
1 stop14h 18mFrontier
vie. 11/77:45 pmSTL - MCI
1 stop23h 48mFrontier
Deal found 10/29$185
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/116:05 amICT - STL
Nonstop1h 25mSouthwest
dom. 12/143:15 pmSTL - ICT
1 stop7h 30mSouthwest
Deal found 10/29$213
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:40 pmMCI - STL
Nonstop1h 05mSouthwest
jue. 1/18:50 amSTL - MCI
1 stop5h 50mSouthwest
Deal found 10/29$214
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/46:49 pmMCI - STL
1 stop14h 18mFrontier
mar. 11/117:45 pmSTL - MCI
1 stop21h 34mFrontier
Deal found 10/30$229
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/78:28 pmMCI - STL
1 stop12h 39mFrontier
dom. 11/97:45 pmSTL - MCI
1 stop23h 48mFrontier
Deal found 10/29$234
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/48:09 pmMCI - STL
1 stop14h 05mMultiple Airlines
lun. 12/83:30 pmSTL - MCI
1 stop7h 45mMultiple Airlines
Deal found 10/29$237
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/148:28 pmMCI - STL
1 stop12h 39mFrontier
dom. 11/167:45 pmSTL - MCI
1 stop23h 48mFrontier
Deal found 10/29$240
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/35:42 amICT - STL
1 stop5h 03mDelta
dom. 12/76:00 amSTL - ICT
1 stop5h 03mDelta
Deal found 10/29$243
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/271:30 pmICT - STL
1 stop5h 05mDelta
jue. 12/46:00 amSTL - ICT
1 stop5h 03mDelta
Deal found 10/30$264

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas to St. Louis 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 octubre 30, 2025.
Use the filters below to find and compare flights from Kansas to St. Louis that are best for you.

Fly from

Kansas

Fly to

St. Louis

Route

Depart

Return

Price

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

jue. 12/4

6:15 am-7:30 am

Nonstop1h 15m

Lambert-St Louis

lun. 12/8

2:25 pm-3:35 pm

Nonstop1h 10m

$97

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

mar. 12/9

8:35 am-5:25 pm

2 stops8h 50m

Lambert-St Louis

jue. 12/11

10:25 am-11:55 am

Nonstop1h 30m

$112

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

sáb. 1/10

6:35 am-8:00 am

Nonstop1h 25m

Lambert-St Louis

mié. 1/14

10:15 am-11:40 am

Nonstop1h 25m

$134

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

jue. 12/11

6:05 am-7:30 am

Nonstop1h 25m

Lambert-St Louis

dom. 12/14

9:50 am-11:15 am

Nonstop1h 25m

$213

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

mar. 12/30

5:00 am-10:20 am

1 stop5h 20m

Lambert-St Louis

jue. 1/1

6:05 am-11:35 am

1 stop5h 30m

$214

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

vie. 2/13

2:55 pm-12:30 am

1 stop9h 35m

Lambert-St Louis

mar. 2/17

5:25 am-12:50 pm

1 stop7h 25m

$223

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

mar. 11/4

6:49 pm-9:07 am

1 stop14h 18m

Lambert-St Louis

mar. 11/11

7:45 pm-5:19 pm

1 stop21h 34m

$229

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

vie. 11/7

8:28 pm-9:07 am

1 stop12h 39m

Lambert-St Louis

dom. 11/9

7:45 pm-7:33 pm

1 stop23h 48m

$234

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

jue. 12/4

8:09 pm-10:14 am

1 stop14h 05m

Lambert-St Louis

lun. 12/8

10:47 am-11:15 pm

2 stops12h 28m

$242

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

mié. 12/3

5:42 am-10:45 am

1 stop5h 03m

Lambert-St Louis

dom. 12/7

6:00 am-11:03 am

1 stop5h 03m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 47 results
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Best time to book a flight from Kansas to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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 St. Louis

What is the cheapest month to book a flight from Kansas to St. Louis?

Currently, October is the cheapest month in which you can book a flight from Kansas to St. Louis (average of $85). Flying from Kansas to St. Louis in June is currently the most expensive (average of $287). 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 STL?

Find hourly flight availability from Kansas to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 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 St. Louis as you normally would.

How much does it cost to fly round-trip from Kansas to St. Louis?

Related info for your journey

Find useful and relevant information for your journey from Kansas to St. Louis. 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 into for flights to St. Louis from Kansas?

    For a flight from Kansas to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How popular is this Kansas to St. Louis flight route?

    This flight path from Kansas to Lambert-St Louis was viewed by 39 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Kansas to St. Louis?

    Airlines like Southwest, Frontier, and Delta fly from Kansas to St. Louis in about 1h 15m. The time it takes to get you to your destination can typically vary by up to 13h 03m. Airlines will cover a distance of 236 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Kansas to St. Louis?

    While some choose either Kansas City - Lambert-St Louis or Tulsa - Lambert-St Louis, Wichita Eisenhower National - Lambert-St Louis is the most popular route from Kansas to St. Louis.

  • What are the cheapest flights from Kansas to St. Louis?

    On average you can expect to pay $340 for a flight from Kansas to St. Louis. The cheapest flight overall is $138 while the most popular route, (Wichita Eisenhower National - Lambert-St Louis) is currently priced at $213.

  • Can I find deals for flights from Kansas to St. Louis that include hotel bookings?

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

  • How can I find direct flights from Kansas to St. Louis?

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

  • Can I find deals for business class flights from Kansas to St. Louis?

    Yes. Cheapflights offers flight deals from Kansas to St. Louis 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 St. Louis?

    Currently, October is the cheapest month in which you can book a flight from Kansas to St. Louis (average of $85). Flying from Kansas to St. Louis in June is currently the most expensive (average of $287). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Kansas to St. Louis

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Top 2 airlines flying from Kansas to St. Louis

Discover the top 2 airlines that operate flights from Kansas to St. Louis. 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$97Average$279FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$278Average$389FlexibilityNo cancel feeOn-time71%

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