Frontier Airlines operates exclusively out of Terminal 1 at SFO, which is officially known as Harvey Milk Terminal 1. This modern terminal is designed with simplicity and speed in mind. Its open layout, clear signage, and environmentally conscious design make navigating the frontier airlines sfo terminal an efficient experience. With a focus on domestic flights, Terminal 1 is built to handle brisk travel while providing essential amenities for all passengers. https://airportsterminalhub.com/airlines/frontier-airlines/frontier-airlines-sfo-terminal-san-francisco-international-airport/