Direct flights from San Antonio to San Diego
14 nonstop flights a week on 1 airline. Zero layovers — one hop from SAT to SAN.
Flight time: about 2h18m 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 SWA3545 | 6:19a | 2h16m | Fri |
| Southwest SWA1146 | 6:30a | 2h16m | Tue–Wed |
| Southwest SWA3545 | 6:31a | 2h17m | Mon, Thu, Sun |
| Southwest SWA4168 | 6:59a | 2h19m | Sat |
| Southwest SWA1402 | 6:55p | 2h17m | Sat |
| Southwest SWA2675 | 7:43p | 2h18m | Sun |
| Southwest SWA3545 | 7:56p | 2h20m | Wed |
| Southwest SWA3545 | 8:19p | 2h18m | Tue |
| Southwest SWA1402 | 9:07p | 2h19m | Thu |
| Southwest SWA1402 | 9:30p | 2h22m | Mon |
| Southwest SWA1402 | 10:05p | 2h24m | Fri |
SouthwestThe route
One hop: SAT → SANDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from San Antonio (SAT) to San Diego (SAN)
San Antonio International Airport (SAT) has 14 nonstop flights a week to San Diego (SAN), 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 San Diego?
The nonstop flight from San Antonio (SAT) to San Diego (SAN) takes about 2h18m in the air, based on recently observed nonstop departures.
How long does it take to drive from San Antonio to San Diego?
Driving from San Antonio to San Diego takes about 18h 9m behind the wheel — roughly 1,274 miles, or about 2 days of real driving. The nonstop flight takes about 2h18m.