Operating out of Terminal A at Frontier San Francisco Airport Terminal, Frontier Airlines provides passengers with an affordable domestic flight alternative. The Harvey Milk Terminal, also known as Terminal A, recently had extensive renovations to offer contemporary conveniences and a better traveler experience. The terminal is a nice place for travelers to start their journey because of its open and airy architecture, improved seating, and a range of culinary and shopping options. By connecting travelers to well-known locations throughout the US, Frontier's presence at SFO serves those looking for inexpensive air travel without sacrificing convenience.