Spirit Airlines PHL Terminal +1-888-839-0502 Hi! If you're flying Spirit Airlines PHL Terminal you'll be in Terminal D at Philadelphia International Airport. It's a simple terminal with the essentials check-in counters, security, and some dining options. Although it does get crowded, the process is usually easy if you plan ahead. The seating areas are okay, and the staff does a good job of keeping things running. If you're ready for Spirit's low-cost, no-frills style, provides a hassle-free and economical travel option! visit us : https://www.terminalsme.com/spirit-airlines/spirit-airlines-phl-terminal-philadelphia-international-airport/