Frontier Airlines departs from Hartsfield-Jackson Atlanta International Airport's Terminal N (North). Frontier is well-known for its low-cost travel options, and its Terminal N location offers convenient access to domestic and select international destinations. Passengers flying with Frontier at ATL may quickly connect using the airport's efficient transit system, which connects all concourses. Terminal N provides a variety of services, including restaurants, retail shops, and simple access to security checks, making it a comfortable choice for travelers. For those wondering, "What terminal is Frontier at ATL?" the answer is Terminal N, which is designed to facilitate convenient, low-cost travel.