Frontier Airlines is noted for its low-cost approach, which includes low-cost fares with a variety of optional add-ons. Frontier's check-in counters, ticketing services, and departure gates are most likely located in Terminal N at ATL. Frontier passengers flying from this terminal can expect normal airport services such as shops, restaurants, and seating areas. It is advised that you confirm the information immediately with the airline or the airport, either by visiting their websites or calling them directly, for the most up-to-date and correct details about frontier airlines atlanta airport terminal.