Spirit Airlines PHX Terminal, is based out of Phoenix Sky Harbor International Airport's Terminal 3. (PHX). Ample seating, a variety of dining options, and retail establishments are among the contemporary amenities available at this airport. Self-service kiosks and check-in counters are conveniently located for Spirit customers, guaranteeing a seamless start to your journey. Your travel experience will be as smooth as possible because of the efficient design of the terminal, which includes courteous staff who can assist with any needs and clear signs.