Terminal A
The larger terminal, with 17 gates and most of the airlines. It has ATMs, family restrooms, battery charging and a lactation room near the gates. Rideshare pickup is on the outer commercial curbside, lower level.
San Antonio International Airport (SAT) terminal guide
San Antonio, Texas KSAT #44 US airport by passengers
How SAT is laid out and how to move between buildings.
Terminals at SAT
Terminal B
The smaller terminal, with the United Club airside between gates B3 and B5 and the USO on the landside arrivals level near baggage claim. Some airlines, including American and United, use it.
Terminal C (planned)
Under development, expected to open in 2028, according to a third-party layover guide. The airport says it will double the size of the airport.
Moving between terminals
Terminals A and B are not connected airside. Moving between them means walking landside for 3 to 5 minutes, clearing security again at the other checkpoint. Check your departing terminal on your ticket before you leave for the airport.
Reviewed October 9, 2026. Confirm details on the official airport website. Spotted a change?
Frequently asked questions
Can I walk between Terminals A and B at SAT?
No, the terminals are not connected airside. You must leave security, walk landside for 3 to 5 minutes, and clear security again.