San Antonio (SAT) to Saint Louis (STL) flights
One airline flies nonstop from San Antonio (SAT) to Saint Louis (STL): Southwest Airlines. The two airports are 787 miles (1,266 km) apart. There are also 15 ways to fly it with one stop, through Dallas, Dallas and Houston and more.
Airlines flying nonstop from SAT to STL
- Southwest AirlinesNot in an allianceWho books it
SAT to STL with one stop
15 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Dallas (DAL)Southwest Airlines the whole way
- Via Dallas (DFW)American Airlines the whole way
- Via Houston (IAH)United Airlines the whole way
- Via Houston (HOU)Southwest Airlines the whole way
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via Nashville (BNA)Southwest Airlines the whole way
- Via New Orleans (MSY)Southwest Airlines the whole way
- Via Pensacola (PNS)Breeze Airways, then Southwest Airlines
- Via Chicago (MDW)Southwest Airlines the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines and Southwest Airlines the whole way
- Via Minneapolis (MSP)Delta Air Lines the whole way
- Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Charlotte (CLT)American Airlines the whole way
SAT to STL: common questions
Which airlines fly nonstop from SAT to STL?
Southwest Airlines flies nonstop from San Antonio (SAT) to Saint Louis (STL).
How far is San Antonio from Saint Louis by plane?
San Antonio (SAT) and Saint Louis (STL) are 787 miles (1,266 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does SAT 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 SAT to STL with taxes and fees.
Where can I connect between San Antonio and Saint Louis?
The most direct connections are through Dallas (DAL), Dallas (DFW), Houston (IAH), Houston (HOU) and Kansas City (MCI). On 14 of them the same airline flies both flights, for example Southwest Airlines through Dallas.
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.