Most of the people asked me about What Terminal is Frontier Airlines at San Diego Airport ? so here is some information about it Frontier Airlines passengers traveling through San Diego International Airport will find themselves in Terminal 1. This terminal offers a variety of services, amenities, and easy access to boarding gates, facilitating a straightforward and pleasant travel experience. As Frontier Airlines continues to expand its route network and offer budget-friendly travel options, Terminal 1 at SAN remains an integral component of the passenger journey, delivering a welcoming and efficient environment for travelers departing from or arriving in San Diego. Passengers are encouraged to consult the official website of the airport and Frontier Airlines for the most current information and any travel advisories that may be pertinent to their journey.Terminal 1 is seamlessly connected to the airport's parking facilities, rental car services, and various transportation options, such as taxis, ride-sharing services, and public transit. This assortment of transportation choices ensures that passengers can select the mode that best suits their preferences and needs, making the transition to and from the airport a hassle-free experience.