Frontier Airlines operates out of Terminal A at George Bush Intercontinental Airport (IAH) in Houston. The Frontier Airlines IAH Terminal, Terminal A, is dedicated to domestic flights and offers a variety of amenities to ensure a comfortable travel experience for passengers. Frontier Airlines travelers can take advantage of convenient check-in counters, efficient security screening, and a selection of dining and retail options within the terminal. Whether you are arriving at or departing from IAH, Terminal A provides all the necessary services to make your journey with Frontier Airlines smooth and hassle-free.