Direct (nonstop) flights from Kansas City to Saint Louis
1 airline flys nonstop from Kansas City International Airport (MCI) to Saint Louis Airport (STL). It's 236 miles (380 km), about 1h 5m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Kansas City to Saint Louis with one stop · direct emits 44 kg CO₂ per passenger
Looking for the return flight?
STL → MCI: Flights from Saint Louis to Kansas CityOther direct flights from Kansas City
Direct flights from Saint Louis (STL)
Frequently Asked Questions
How long is the direct flight from Kansas City to Saint Louis?
A nonstop flight from Kansas City (MCI) to Saint Louis (STL) takes approximately 1 hours and 5 minutes. The distance is 236 miles (380 km).
Which airlines fly nonstop from Kansas City to Saint Louis?
Just Southwest Airlines.
Is there a nonstop flight from Kansas City to Saint Louis?
Yes. 1 airline: Southwest Airlines.
How far is Kansas City from Saint Louis?
The flight distance from Kansas City to Saint Louis is 236 miles (380 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Paris.
What type of aircraft flies from Kansas City to Saint Louis?
At 1h 5m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Kansas City to Saint Louis?
Roughly 44 kg CO2 per passenger one-way. That's about the same as driving 220 km.
Is the return flight from Saint Louis to Kansas City also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Kansas City to Saint Louis?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Kansas City International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.