If you're wondering What Terminal is VivaAerobus at IAH, the airline operates from Terminal D at George Bush Airport. Terminal D is intended to accommodate international and low-cost carriers, providing a seamless travel experience through rapid check-in, clear signage, and handy services. VivaAerobus customers may expect rapid boarding, friendly airport staff, and easy access to restaurants and rest rooms. The terminal is clean and well-organized, making it easy for passengers to navigate before their departure. Whether you're arriving or departing, Terminal D ensures a smooth experience from beginning to end.