What is the airport code for San Antonio, Texas?

The airport code for San Antonio, Texas, is SAT. Each airport is assigned a unique three-letter code by the International Civil Aviation Organization (ICAO) and the International Air Transport Association (IATA) to simplify airline and travel operations. The code SAT stands for San Antonio International Airport and is widely recognized in travel and aviation contexts. This code reflects the city's name and helps travelers, airlines, and logistics companies efficiently identify the airport.

The other options represent different airports: PHL is for Philadelphia International Airport, PNS is for Pensacola International Airport, and PVD is for T.F. Green Airport serving Providence, Rhode Island. Each of these codes is unique to its respective airport, further affirming why SAT is the correct answer for San Antonio.