San Antonio Airport Terminals
San Antonio Airport (SAT) consists of two passenger terminals:
Terminal A
San Antonio Airport Terminal A exclusively serves international flights.
Terminal B
San Antonio Airport Terminal B only serves regional and domestic flights.
Transfer between terminals
Both terminals are located within the same building but there are separate check-in counters and security control.
On the other hand, there’s a free shuttle bus between the parking lots and both Terminal A and Terminal B.