If you’re flying with Spirit Terminal DFW you’ll be departing from Terminal D—the airport’s modern, international terminal. Whether you’re a budget-conscious traveler or just looking for a smooth departure, here’s everything you need to know. Check-In & Security Spirit Airlines operates from Terminal D at DFW, where you’ll find check-in counters and self-service kiosks near the entrance.       Website URL: https://airlineterminalservice.com/spirit-airlines/spirit-airlines-dfw-terminal-dallas-fort-worth-international-airport/