Which airport code is used for San Francisco International Airport?

The airport code for San Francisco International Airport is SFO. This code is part of the standardized three-letter system established by the International Air Transport Association (IATA) to identify airports around the world. SFO has been designated for San Francisco, reflecting its geographic location and providing a unique identifier for travelers and airlines alike.

Other codes listed, like SJC, SNA, and SAV, represent different airports: SJC is for San Jose International Airport, SNA is for John Wayne Airport in Orange County, and SAV is for Savannah/Hilton Head International Airport. Each of these codes corresponds to its respective airport, distinguishing them clearly from SFO, which is specifically for San Francisco International Airport. This systematic approach allows for efficient communication and coordination in air travel, making SFO the correct answer for San Francisco's main airport code.