Frontier Airlines SFO Terminal departures and arrival are from the Terminal 1 of Frontier Airlines SFO Terminal. Frontier is actually a low-cost carrier of the United States, and it provides its services to various destination cities within that country. All the contemporary facilitations which include check-in counters, security checkpoints, fine dining options and comfortable waiting space are now provided at SFO's Terminal 1-Harvey Milk Terminal. Therefore, travelers who would like to travel with Frontier airlines are advised to check in in advance either on the internet or at self-service kiosks to avoid queueing. Low-cost prices plus efficient terminal facilities make Frontier Airlines achieve a very smooth and convenient travel experience at SFO.