What Terminal is Frontier Airlines at IAH is a common search for travelers flying through George Bush Intercontinental Airport. Frontier Airlines operates from Terminal E, where passengers can find check-in counters, security checkpoints, baggage services, and clearly marked departure gates. Understanding the correct terminal location helps save time and avoid confusion on travel day. With organized facilities and helpful passenger amenities, knowing what terminal is Frontier Airlines at IAH ensures a smooth and well-prepared airport experience.