Southwest Airlines operates nonstop flights from St Louis (STL) to San Antonio (SAT). The nonstop flight takes around ~1h 35m, covering 787 miles (1,266 km). Updated 29 June 2026.
We'll email you when a fare from STL drops well below normal. Free, weekly, no password needed.
Free · weekly digest · no password needed
Sign up to see San Antonio schedule from STL
Already have an account? Sign in
Yes, Southwest Airlines operates nonstop flights from St Louis (STL) to San Antonio (SAT).
Southwest Airlines operates nonstop flights from St Louis to San Antonio.
The nonstop flight from St Louis to San Antonio takes ~1h 35m (approximately 1266 km).