The main base of operations for Frontier Airlines is San Diego International Airport's Terminal 2 (SAN). Frontier Airlines SAN Terminal is well-known for providing affordable flights both domestically and internationally. In order to facilitate travel, the terminal is furnished with necessary facilities, such as baggage claim, security checkpoints, and check-in counters. Additionally, there are a number of culinary and shopping opportunities available to passengers flying with Frontier throughout the terminal. For the most recent information on gates and potential flight delays, it's a good idea to visit the airport's website.