The departures and arrival of Frontier Air are at the Terminal 1 of Frontier Airlines SFO Terminal. Frontier is actually an ultra-low-cost carrier of the United States, offering services to many destination cities in that country. All the modern facilitations, which include check-in counters, security checkpoints, good dining options and comfortable waiting space, are now available at SFO's Terminal 1-Harvey Milk Terminal. Travelers booking their flight with Frontier are advised to check in online or at self-service kiosks to avoid long lines. Further, with low-cost prices and terminal facilities being efficient, Frontier Airlines achieves a smooth and convenient travel experience at SFO.