Operating out of San Diego International Airport’s Terminal 1, is Frontier Airlines (SAN). Serving a range of domestic flights, Terminal 1 has all the amenities that travelers need, such as dining and shopping options, security checkpoints, and check-in counters. From San Antonio, Frontier Airlines SAN Terminal usually offers reasonably priced flights to a variety of U.S. locations. To make the airport experience as easy as possible, it is advised to check in online or utilize the self-service kiosks. Prior to their flight, passengers should confirm the details of their gate and terminal as these may occasionally change. For convenient transportation, Terminal 1 is reachable via shuttle, taxi, and ridesharing services.