Flying with Frontier Airlines from San Francisco International Airport (SFO)? Your journey starts at Terminal 1, also known as the Harvey Milk Terminal. This terminal is equipped with modern facilities, including self-service check-in kiosks, efficient security checkpoints, and spacious waiting areas. Travelers can enjoy a variety of dining options, retail stores, and charging stations, making their airport experience smooth and enjoyable. Whether you're heading on a business trip or a vacation, Terminal 1 offers a stress-free environment for all passengers.