What Terminal is Spirit Airlines at ORD? Spirit Airlines operates from Terminal 3 at Chicago O’Hare International Airport (ORD). Known for its budget-friendly services, Spirit Airlines handles both domestic and international flights from this terminal. Terminal 3 offers a range of amenities, including dining options, retail stores, and comfortable seating areas, ensuring a pleasant travel experience. Passengers flying with Spirit Airlines are advised to check their flight details and arrive early to allow enough time for check-in and security. For additional convenience, travelers can use the airport’s shuttle services to navigate between terminals.