The Spirit Airlines IAH Terminal offers smooth and easy travel expereince. Check-in is swift and the personnel is kind, making your vacation easy. Take a look at the stores, grab a food, or just kick back in your seats as you wait for your flight. Spirit Airlines guarantees a comfortable trip whether you’re traveling for business or pleasure. It is very simple to connect to other planes, and there are obvious signs to guide you. Spirit Airlines ensures a comfortable and uncomplicated journey from the time you arrive at the IAH Terminal.