Wondering about the IAH terminal for Spirit Airlines? Spirit operates from Terminal A at George Bush Intercontinental Airport (IAH) in Houston. Whether you're flying out or arriving, Terminal A provides convenient access to Spirit’s check-in counters, security checkpoints, and departure gates. The terminal is equipped with dining options, seating areas, and essential passenger services. Travelers are advised to arrive at least 2 hours before departure for domestic flights to allow time for check-in and security. Baggage claim and ground transportation are easily accessible upon arrival. If you're picking someone up or catching a flight, knowing the correct terminal helps ensure a smoother airport experience. Stay updated with flight and gate information through the official Spirit Airlines or IAH airport websites before heading out.