Spirit Airlines operates out of Terminal A at George Bush Intercontinental Airport (IAH) in Houston. Spirit Airlines IAH Terminal is primarily used for domestic flights and offers a range of amenities such as dining options, shops, and comfortable seating areas for passengers. Spirit Airlines travelers can expect efficient check-in services, quick access to security, and easy navigation to their gates within Terminal A. Whether departing or arriving, Spirit Airlines passengers at IAH can enjoy a smooth and convenient travel experience. https://allairportsterminals.com/spirit-airlines/spirit-airlines-iah-terminal-george-bush-intercontinental-airport/