Direct flights from San Antonio to Houston
21 nonstop flights a week on 1 airline. Zero layovers — one hop from SAT to HOU.
Flight time: about 39m 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 SWA3188 | 6:04a | 44m | Fri |
| Southwest SWA3188 | 6:10a | 40m | Mon, Thu |
| Southwest SWA3188 | 6:19a | 44m | Sat |
| Southwest SWA3188 | 6:40a | 44m | Sun |
| Southwest SWA3188 | 7:42a | 38m | Tue–Wed |
| Southwest SWA342 | 8:59a | 33m | Sat |
| Southwest SWA3498 | 12:32p | 33m | Sun |
| Southwest SWA1049 | 1:16p | 34m | Mon, Fri |
| Southwest SWA4547 | 1:30p | 34m | Wed |
| Southwest SWA1049 | 1:40p | 34m | Thu |
| Southwest SWA4547 | 3:36p | 44m | Tue |
| Southwest SWA4636 | 4:00p | 51m | Sat |
| Southwest SWA4286 | 5:34p | 34m | Tue |
| Southwest SWA4286 | 6:01p | 44m | Wed |
| Southwest SWA1921 | 6:53p | 44m | Thu |
| Southwest SWA1921 | 6:57p | 34m | Mon |
| Southwest SWA1921 | 7:18p | 32m | Fri |
| Southwest SWA1944 | 7:52p | 47m | 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 21 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 September 2026 from observed departures.
Route data updated September 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 39m 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 39m.