What to know
SFO official airline-terminal directory lists Spirit at SFO. Terminal operations can move during construction, irregular operations, or seasonal schedule changes.
Airport layout
SFO has Harvey Milk Terminal 1, Terminals 2 and 3, plus International A and G. Airside connectors now link the terminal complex after security.
Getting to the gate
Domestic and international portions of the same airline can use different terminals. Check the operating flight, not only the marketing airline.
Connections
Most terminals connect after security, but walking distances can be significant during Terminal 3 construction.
