Frontier Atlanta terminal operates from Terminal S (the Domestic South Terminal) at Hartsfield-Jackson Atlanta International Airport (ATL). Domestic Terminal is one of the airport’s domestic terminals, handling flights within the United States. Frontier Airlines, a low-cost carrier, has designated check-in counters and gates located inside Terminal S. Passengers flying with Frontier will need to go to this terminal to check in for their flights, go through security screening, and access their departure gates. Terminal S also features restaurants, shops, and other amenities for travelers using Hartsfield-Jackson Atlanta International Airport.