Hello, With TSA PreCheck lanes, manned check-in counters, and effective self-service kiosks, Frontier Airlines SFO Terminal  manages domestic flights out of Harvey Milk Terminal A  at SFO. For easy and affordable travel, the terminal features free Wi-Fi, lots of power outlets, contemporary seating, a variety of dining options (such as Amy's Drive Thru and Peet's Coffee), shops, and family-friendly amenities.