Frontier Airlines, a trusted name in affordable air travel, proudly serves passengers at Frontier Airlines San Diego International Airport. Operating out of Terminal 1, Frontier ensures a seamless and convenient experience for travelers departing from this iconic Southern California hub. Known for its customer-friendly approach and low fares, Frontier Airlines offers easy access to a wide range of domestic destinations from SAN. Whether you're traveling for business, leisure, or a family vacation, Frontier Airlines at San Diego International Airport provides a smooth and efficient start to your journey.