If you are planning to travel with Frontier Airlines from San Francisco International Airport (SFO), it’s essential to know about the terminal facilities, check-in process, baggage policies, and available services to ensure a smooth journey. Frontier Airlines operates from Terminal 1 (Harvey Milk Terminal), which is a modern, well-equipped terminal offering a seamless travel experience. Whether you're a first-time traveler or a frequent flyer, understanding the Frontier Airlines SFO Terminal layout and amenities will help you save time and avoid unnecessary stress.

Check-In and Security Process at Terminal 1

Frontier Airlines passengers at SFO can check in through various methods, including online, via the airline's mobile app, self-service kiosks, or at the designated check-in counters at Terminal 1. It is highly recommended to arrive at least 2 hours before a domestic flight and 3 hours before an international flight to allow ample time for security checks and boarding procedures.