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Find low faresSouthwest® flights from St. Louis to Kansas City from $97
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1 Passenger
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Low fares from St. Louis to Kansas City
$
St. Louis (STL)to
Kansas City (MCI)
Depart: 04/16/2026
One-way
Basic
From
$97
Seen: 6 hrs ago
St. Louis (STL)to
Kansas City (MCI)
Depart: 04/23/2026
One-way
Basic
From
$97
Seen: 29 minutes ago
St. Louis (STL)to
Kansas City (MCI)
Depart: 04/18/2026
One-way
Basic
From
$107
Seen: 56 minutes ago
St. Louis (STL)to
Kansas City (MCI)
Depart: 04/22/2026
One-way
Basic
From
$107
Seen: 29 minutes ago
St. Louis (STL)to
Kansas City (MCI)
Depart: 04/27/2026
One-way
Basic
From
$107
Seen: 19 hrs ago
St. Louis (STL)to
Kansas City (MCI)
Depart: 04/15/2026
One-way
Basic
From
$107
Seen: 6 hrs ago
Explore flights from St. Louis to Kansas City
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Flight Details
Departing from:
Lambert-St Louis Int'l Airport
Arriving at:
Kansas City International Airport
Average flight time:
1 hour 5 minutes
Distance:
237 miles
Route Information
130† Weekly flights
- 3‡ Nonstop flights per day Monday through Friday
- 2‡ Nonstop flights on Saturday
- 3‡ Nonstop flights on Sunday
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
The average flight time from St. Louis to Kansas City is 1 hour 5 minutes.
There are 130 weekly flights from St. Louis to Kansas City on Southwest Airlines.
Yes, Southwest flies nonstop from St. Louis to Kansas City 3 times per day from Monday through Friday.
Yes, Southwest flies nonstop from St. Louis to Kansas City 2 times per day on Saturdays and 3 times per day on Sundays.
To find the lowest fares by day and time to fly St. Louis to Kansas City with Southwest, check out our Low Fare Calendar.
You can rent a car at Kansas City International Airport book yours with your flight.
Yes! Flights from St. Louis to Kansas City—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.