Frontier Airlines IAH Terminal , At George Bush Intercontinental Airport (IAH), Frontier Airlines operates out of Terminal B. This terminal offers a range of amenities to enhance your travel experience. You'll find various dining options, from quick bites to sit-down meals, and shops for last-minute necessities and souvenirs. Efficient check-in and boarding services are provided by Frontier Airlines, ensuring a smooth process. For assistance, the Frontier Airlines customer service desk is available to help with any needs. Whether you’re catching a flight or waiting for a connection, Terminal B at IAH is designed to offer comfort and convenience throughout your journey.