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San Francisco International Airport (SFO) is one of the busiest airports in the United States, serving millions of passengers every year. If you're flying with Frontier Airlines, knowing the terminal details, check-in procedures, and available amenities can make your journey much smoother. Whether you're a frequent traveler or a first-time flyer, this guide will help you navigate Frontier Airlines at SFO with ease.

Which Terminal Does Frontier Airlines Use at SFO?

Frontier Airlines operates from Terminal 1, also known as the Harvey Milk Terminal, at San Francisco International Airport. This terminal has been recently upgraded with modern facilities, enhanced seating areas, and a wide range of dining and shopping options to improve passenger convenience.

Passengers departing from SFO should check their flight details in advance to confirm the latest terminal and gate information. If you’re looking for additional details, flight updates, or airport services, visit the Frontier Airlines SFO Terminal page for up-to-date information.

Check-In Options for Frontier Airlines at SFO

Frontier Airlines provides several check-in methods for passengers flying from SFO:

• Online Check-In: Available 24 hours before departure via the Frontier Airlines website or mobile app. This option allows you to download your boarding pass and pay for any baggage in advance.
• Self-Service Kiosks: Located within Terminal 1, these kiosks provide a quick and easy way to check in and print boarding passes.
• Check-In Counters: If you need assistance, visit the Frontier Airlines check-in counters at Terminal 1 for in-person support.