Direct flights from Saint Louis to San Antonio
All flights from STL to SAT non-stop. There are direct flights from Saint Louis Airport (STL), Missouri, USA to San Antonio International (SAT), Texas, USA with Southwest Airlines. 13 weekly departures are currently scheduled on this route. Departure times range from 07:45 to 22:45 depending on the schedule period. The flight distance is 790 miles (1271 km). Flight time ranges from 2 hours and 5 minutes to 2 hours and 25 minutes.
Saint Louis
, USA
Flight schedule from Saint Louis to San Antonio with Southwest Airlines
This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-08-24
Saint Louis to San Antonio scheduled departures
Select a date to see every published non-stop departure between STL and SAT.
STL - SAT route facts
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Distance790 miles (1271 km)
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Flight time2 hours and 5 minutes to 2 hours and 25 minutes
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Airline Southwest
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Airline alliancesLow-cost carrier
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CabinsEconomy
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Departure terminalsTerminal 2
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Arrival terminalsTerminal A
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AircraftBoeing 737-800 (winglets) Passenger/BBJ2, Boeing 737MAX 8 Passenger and Boeing 737-700 Passenger (Scimitar Winglets)
Route FAQ
Direct flights from Saint Louis to TX, USA
From Saint Louis to Houston
IAH George Bush Intcntl Houston
From Saint Louis to Austin
AUS Austin-Bergstrom International Airport
From Saint Louis to Houston
HOU William P. Hobby Airport
From Saint Louis to Dallas
DFW Dallas Fort Worth International
From Saint Louis to Dallas
DAL Dallas Love Fld
