Austin-Bergstrom International Airport (AUS) serves as a major hub for travelers in and out of Texas’ capital city. Among its key terminals is the Southwest Airlines Terminal, a bustling area dedicated to one of the nation’s most popular carriers. Whether you’re a frequent flyer or a first-time visitor, here’s what you need to AUS Southwest Terminal know about the AUS Southwest Terminal. The Southwest Airlines Terminal at AUS is located within the Barbara Jordan Terminal, which houses most major airline operations. The terminal is conveniently accessible via the airport’s main entrance, with clear signage directing travelers to Southwest check-in counters and gates.