St. Louis

$72+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
ICT — STL
Jan 14 — Jan 211
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Cheap 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 December 15, 2025.

This Southwest deal was found by Cheapflights users on 12/15. 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 12/296:10 pmTUL - STL
1 stop5h 25mSouthwest
Sun 1/45:20 amSTL - TUL
1 stop3h 40mSouthwest
Deal found 12/15$395
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Mon 12/297:30 amICT - STL
1 stop6h 56mUnited Airlines
Fri 1/22:45 pmSTL - ICT
1 stop5h 45mUnited Airlines
Deal found 12/13$439
This American Airlines deal was found by Cheapflights users on 12/14. 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.
Mon 12/296:23 pmTUL - STL
1 stop4h 33mAmerican Airlines
Fri 1/29:36 amSTL - TUL
1 stop5h 56mAmerican Airlines
Deal found 12/14$439
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Tue 12/308:45 pmMCI - STL
1 stop13h 17mMultiple Airlines
Sat 1/34:27 pmSTL - MCI
1 stop30h 32mMultiple Airlines
Deal found 12/14$449
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/2911:30 amTUL - STL
2 stops46h 32mMultiple Airlines
Wed 1/77:43 pmSTL - TUL
1 stop23h 51mMultiple Airlines
Deal found 12/15$452
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Mon 12/2910:05 amMCI - STL
1 stop6h 22mUnited Airlines
Fri 1/28:05 amSTL - MCI
1 stop6h 33mUnited Airlines
Deal found 12/14$453
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/299:55 amTUL - STL
1 stop4h 31mUnited Airlines
Tue 1/64:35 pmSTL - TUL
1 stop5h 23mUnited Airlines
Deal found 12/15$455
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Tue 12/238:45 pmMCI - STL
1 stop13h 17mFrontier
Wed 12/247:43 pmSTL - MCI
2 stops15h 15mFrontier
Deal found 12/15$456
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/307:34 amTUL - STL
1 stop6h 52mUnited Airlines
Tue 1/68:05 amSTL - TUL
2 stops8h 05mUnited Airlines
Deal found 12/15$460
This Southwest deal was found by Cheapflights users on 12/13. 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 12/296:35 pmICT - STL
Nonstop1h 20mSouthwest
Fri 1/29:50 amSTL - ICT
Nonstop1h 25mSouthwest
Deal found 12/13$470
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sat 12/277:34 amTUL - STL
1 stop4h 53mUnited Airlines
Wed 1/79:57 amSTL - TUL
1 stop5h 05mUnited Airlines
Deal found 12/15$480
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/2911:30 amTUL - STL
2 stops46h 32mMultiple Airlines
Mon 1/57:43 pmSTL - TUL
1 stop18h 27mMultiple Airlines
Deal found 12/15$481

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$181
(Southwest)

One-way from

$72
(Kiwi.com)

Popular in

October

Cheapest in

April

Average price

$305

Good round-trip deal

$372 or less

Good one-way deal

$233 or less
Provider with most accurate pricing for Wichita Eisenhower National-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Wichita Eisenhower National-Lambert-St Louis flights.
From Kansas to Lambert-St Louis
One-way flight from Kansas to Lambert-St Louis
Highest demand for flights based on searches. 5% potential increase in price ($16 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Kansas to Lambert-St Louis.
Price to beat on a one-way flight from Kansas to Lambert-St Louis.

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 December 15, 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

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

Wed 1/7

3:45 pm-5:10 pm

Nonstop1h 25m

Lambert-St Louis

Mon 1/12

2:35 pm-7:00 pm

1 stop4h 25m

$181

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

Wed 2/11

7:55 am-2:38 pm

1 stop6h 43m

Lambert-St Louis

Tue 2/17

10:13 am-5:09 pm

1 stop6h 56m

$181

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Sat 1/24

6:10 am-12:55 pm

1 stop6h 45m

Lambert-St Louis

Tue 1/27

7:45 pm-8:55 pm

Nonstop1h 10m

$181

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Thu 1/8

5:04 pm-7:50 am

1 stop14h 46m

Lambert-St Louis

Sat 1/10

7:43 pm-7:26 pm

1 stop23h 43m

$186

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

Wed 1/7

9:15 am-4:55 pm

1 stop7h 40m

Lambert-St Louis

Mon 1/12

3:11 pm-10:15 pm

1 stop7h 04m

$191

TulsaSt. Louis

TUL - STL

TULSTL

Tulsa

Sat 2/14

8:54 am-2:45 pm

1 stop5h 51m

Lambert-St Louis

Tue 2/17

11:46 am-5:45 pm

1 stop5h 59m

$191

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Wed 1/21

7:35 am-11:15 am

1 stop3h 40m

Lambert-St Louis

Wed 1/21

5:55 pm-9:25 pm

1 stop3h 30m

$191

WichitaSt. Louis

ICT - STL

ICTSTL

Wichita Eisenhower National

Wed 2/11

7:15 am-3:00 pm

2 stops7h 45m

Lambert-St Louis

Tue 2/17

3:00 pm-9:00 pm

1 stop6h 00m

$196

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Thu 1/8

11:00 am-4:50 pm

2 stops5h 50m

Lambert-St Louis

Sat 1/10

10:25 am-4:00 pm

1 stop5h 35m

$196

Kansas CitySt. Louis

MCI - STL

MCISTL

Kansas City

Fri 1/16

11:21 am-6:51 am

1 stop19h 30m

Lambert-St Louis

Sat 1/17

5:11 pm-4:09 pm

1 stop22h 58m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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 $84). 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 December 15, 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.

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?

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

    Airlines like Southwest, Delta, and United Airlines fly from Kansas to St. Louis in about 1h 25m. The time it takes to get you to your destination can typically vary by up to 6h 15m. Airlines will cover a distance of 391 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?

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

    On average you can expect to pay $371 for a flight from Kansas to St. Louis. The cheapest flight overall is $150 while the most popular route, (Kansas City - Lambert-St Louis) is currently priced at $181.

  • 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 $84). 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
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kansas to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$97Average$262FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$278Average$389FlexibilityNo cancel feeOn-time71%

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