Direct flights from Seattle to San Antonio
8 nonstop flights a week on 1 airline. Zero layovers — one hop from SEA to SAT.
Flight time: about 3h35m nonstop
Which days does it fly?
When does it fly?
Departure times in Seattle local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Alaska ASA494 | 10:30a | 3h35m | Wed, Thu, Sat, Sun |
| Alaska ASA494 | 10:52a | 3h35m | Tue |
| Alaska ASA494 | 11:14a | 3h46m | Mon, Fri |
| Alaska ASA9461 | 11:31a | 3h31m | Tue |
The route
One hop: SEA → SATDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Seattle (SEA) to San Antonio (SAT)
Seattle–Tacoma International Airport (SEA) has 8 nonstop flights a week to San Antonio (SAT), operated by Alaska. No layovers, no connections — one hop out of SEA and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Seattle to San Antonio?
The nonstop flight from Seattle (SEA) to San Antonio (SAT) takes about 3h35m in the air, based on recently observed nonstop departures.
How long does it take to drive from Seattle to San Antonio?
Driving from Seattle to San Antonio takes about 32h 28m behind the wheel — roughly 2,139 miles, or about 3 days of real driving. The nonstop flight takes about 3h35m.