Frontier Airlines operates out of Terminal 1 at San Francisco International Airport (SFO). This terminal is a bustling area offering various amenities, including dining options, retail shops, and comfortable seating. Frontier’s check-in counters and self-service kiosks are conveniently situated within Terminal 1, facilitating an efficient process for ticketing and baggage handling. The terminal is designed to support smooth passenger flow with clear signage and helpful staff. Additional services and facilities are available to enhance your travel experience. To ensure a stress-free departure, it is advisable to arrive early to complete check-in, pass through security, and proceed to your gate on time.