Frontier Airlines SFO Terminal which provides travelers with a quick and easy flying experience. Popular domestic locations in the US are served by a variety of domestic flights operated by Frontier, which is well-known for its low prices. In order to meet the demands of travelers, Terminal 1, also called the Harvey Milk Terminal, offers a range of dining and shopping options, charging stations, and plenty of space. Access to security checkpoints and gates is simple for travelers, making their trip through one of the busiest airports in the nation easy and convenient.