Passengers flying with Frontier Airlines from San Francisco International Airport (SFO) will depart from Terminal 1, commonly known as the Harvey Milk Terminal. This terminal offers a modern and seamless travel experience, featuring self-service kiosks for quick check-in, efficient security screening, and a variety of dining and shopping options to enhance your journey. Whether you need to grab a meal, charge your devices, or relax before your flight, Terminal 1 ensures a comfortable wait. For more details on check-in procedures, baggage policies, and terminal services, visit the Frontier Airlines SFO Terminal page. With budget-friendly flights and a well-organized terminal, Frontier Airlines makes traveling through SFO smooth and convenient.