Kansas City (MCI) to Saint Louis (STL) flights
One airline flies nonstop from Kansas City (MCI) to Saint Louis (STL): Southwest Airlines. The two airports are 236 miles (380 km) apart. There are also 9 ways to fly it with one stop, through Chicago, Chicago and Milwaukee and more.
Airlines flying nonstop from MCI to STL
- Southwest AirlinesNot in an allianceWho books it
MCI to STL with one stop
9 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Chicago (MDW)Southwest Airlines the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Milwaukee (MKE)Southwest Airlines the whole way
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Minneapolis (MSP)Delta Air Lines the whole way
- Via Dallas (DAL)Southwest Airlines the whole way
- Via Dallas (DFW)American Airlines the whole way
- Via Columbus (CMH)Southwest Airlines the whole way
- Via Detroit (DTW)Delta Air Lines the whole way
MCI to STL: common questions
Which airlines fly nonstop from MCI to STL?
Southwest Airlines flies nonstop from Kansas City (MCI) to Saint Louis (STL).
How far is Kansas City from Saint Louis by plane?
Kansas City (MCI) and Saint Louis (STL) are 236 miles (380 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does MCI to STL cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for MCI to STL with taxes and fees.
Where can I connect between Kansas City and Saint Louis?
The most direct connections are through Chicago (MDW), Chicago (ORD), Milwaukee (MKE), Nashville (BNA) and Minneapolis (MSP). On 9 of them the same airline flies both flights, for example Southwest Airlines through Chicago.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.