Direct flights from San Antonio to Houston
23 nonstop flights a week on 1 airline. Zero layovers — one hop from SAT to HOU.
Flight time: about 34m 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 SWA3573 | 1:25a | 37m | Sat |
| Southwest SWA1315 | 5:31a | 32m | Mon, Fri |
| Southwest SWA1315 | 5:35a | 33m | Thu |
| Southwest SWA1549 | 5:44a | 33m | Sun |
| Southwest SWA4392 | 6:09a | 32m | Sat |
| Southwest SWA4392 | 6:16a | 34m | Tue–Wed |
| Southwest SWA1849 | 8:41a | 33m | Sat |
| Southwest SWA3566 | 10:12a | 41m | Sun |
| Southwest SWA3566 | 1:12p | 39m | Tue–Wed |
| Southwest SWA3566 | 1:42p | 34m | Mon, Fri |
| Southwest SWA3566 | 1:46p | 32m | Thu |
| Southwest SWA3573 | 6:02p | 34m | Tue |
| Southwest SWA3573 | 6:11p | 44m | Wed |
| Southwest SWA1850 | 6:33p | 35m | Sat |
| Southwest SWA2789 | 7:04p | 32m | Sun |
| Southwest SWA3573 | 7:06p | 45m | Thu |
| Southwest SWA3573 | 8:01p | 36m | Mon |
| Southwest SWA4045 | 8:08p | 32m | Sat |
| Southwest SWA2790 | 9:08p | 32m | Sun |
SouthwestThe route
One hop: SAT → HOUDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from San Antonio (SAT) to Houston (HOU)
San Antonio International Airport (SAT) has 23 nonstop flights a week to Houston (HOU), 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 Houston?
The nonstop flight from San Antonio (SAT) to Houston (HOU) takes about 34m in the air, based on recently observed nonstop departures.
How long does it take to drive from San Antonio to Houston?
Driving from San Antonio to Houston takes about 2h 58m — roughly 199 miles — so the car is a real alternative on this route. The nonstop flight takes about 34m.