Terminals · SFO
What terminal is Frontier at SFO?
Frontier departs from Terminal 1 at San Francisco International Airport (SFO). We verified this against the airport's own sources on June 27, 2026 — airlines do move terminals, so we date every check.
Terminal 1
SFO TSA wait times todayLive security waits by checkpoint, so you know when to leave for Terminal 1.What terminal is Frontier at SFO?
Frontier departs from Terminal 1 at San Francisco International Airport (SFO). Harvey Milk Terminal 1, Boarding Area B. Verified June 27, 2026.
Where does Frontier check in at SFO?
Harvey Milk Terminal 1 ticketing. Bag drop usually closes 45 minutes before departure, so build that into your morning.
Did Frontier move terminals at SFO?
Not that we've found. We confirmed Frontier departs from Terminal 1 at SFO as of June 27, 2026. Airlines do shuffle terminals, so we re-check and date every change.
Not sure which building that is? See all SFO terminals with the airport map and how to get between them. Then let your Leave-By Time count backward from your flight — today's SFO security wait, your drive, and the walk to your gate — so you leave with room to breathe.