What Terminal is Frontier Airlines at San Diego Airport ? There are multiple airlines based out of San Diego International Airport (SAN), which serves the lovely city of San Diego in California. Each airline has its own terminal and amenities. Known for providing inexpensive travel options to a variety of places, Frontier Airlines is one of these airlines. The San Diego International Airport terminal where Frontier Airlines is based, as well as its amenities and what travelers may anticipate when traveling with Frontier from SAN, .Access to Terminal 1 is easily accessible from multiple locations inside San Diego and the surrounding area due to its handy location on the north side of the airport. The airport's road network and parking facilities are easily accessible for travelers arriving by automobile or public transportation.
