Direct flights from San Antonio to St Louis
12 nonstop flights a week on 1 airline. Zero layovers — one hop from SAT to STL.
Flight time: about 1h45m nonstop
Which days does it fly?
When does it fly?
Departure times in San Antonio local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Southwest SWA4809 | 7:17a | 1h49m | Mon, Thu, Fri |
| Southwest SWA4809 | 7:31a | 1h45m | Tue, Wed, Sat |
| Southwest SWA3504 | 11:49a | 1h40m | Sun |
| Southwest SWA174 | 3:38p | 1h40m | Wed |
| Southwest SWA174 | 3:54p | 1h44m | Tue |
| Southwest SWA3590 | 5:13p | 1h42m | Mon |
| Southwest SWA3590 | 5:15p | 1h49m | Thu |
| Southwest SWA3590 | 5:27p | 1h45m | Fri |
SouthwestThe route
One hop: SAT → STLDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from San Antonio (SAT) to St Louis (STL)
San Antonio International Airport (SAT) has 12 nonstop flights a week to St Louis (STL), operated by Southwest. No layovers, no connections — one hop out of SAT and you're there.
This route flies every day of the week, so any travel day works. Route data updated July 2026 from observed departures.
Route data updated July 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from San Antonio to St Louis?
The nonstop flight from San Antonio (SAT) to St Louis (STL) takes about 1h45m in the air, based on recently observed nonstop departures.
How long does it take to drive from San Antonio to St Louis?
Driving from San Antonio to St Louis takes about 13h 51m, covering roughly 903 miles. The nonstop flight takes about 1h45m.