Frontier Airlines SFO Terminal provides travelers with a simplified and effective travel experience. Check-in counters, security checkpoints, and boarding gates are all easily accessible from this Terminal 1 location. When they wait for their flights, passengers can take advantage of a number of amenities, such as retail stores, dining options, and cozy seating places. Easily navigable and manned by helpful staff who are ready to assist with any travel needs, the terminal is well-signedposted.