What Terminal is Spirit Airlines at DFW? Spirit Airlines operates out of Terminal E at Dallas/Fort Worth International Airport (DFW). This terminal is designed for convenience, offering travelers quick access to security checkpoints and boarding gates. Terminal E features various dining options, retail stores, and passenger amenities to enhance your travel experience. Spirit Airlines provides efficient and budget-friendly services from this terminal, with numerous domestic and international flight options. Passengers are encouraged to arrive early to complete the check-in and security processes smoothly.