Direct flights from St Louis to San Antonio STL → SAT

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.

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Frequently asked questions

Is there a direct flight from St Louis to San Antonio?

Yes, Southwest Airlines operates nonstop flights from St Louis (STL) to San Antonio (SAT).

Which airlines fly direct from St Louis to San Antonio?

Southwest Airlines operates nonstop flights from St Louis to San Antonio.

How long is the flight from St Louis to San Antonio?

The nonstop flight from St Louis to San Antonio takes ~1h 35m (approximately 1266 km).

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