Frontier Airlines Atlanta Terminal operates out of Terminal South at Hartsfield-Jackson Atlanta International Airport (ATL). This terminal serves both domestic and international flights and offers essential services such as check-in counters, self-service kiosks, baggage drop, and security screening. After clearing security, passengers can find boarding gates, food options, and amenities like Wi-Fi and charging stations. To ensure a smooth experience, it’s recommended to arrive at least two hours before departure, and be aware of Frontier Airlines Atlanta Terminal strict baggage policies to avoid additional fees.