Frontier Airlines operates out of Terminal 3 at McCarran International Airport (LAS) in Las Vegas. This Frontier Airlines LAS Terminal is built to accommodate a lot of passengers flying with budget airlines like Frontier. There are charging stations placed throughout the airport to keep your devices charged, and visitors can use the free Wi-Fi. The terminal is a tidy and convenient place to be, with clear signs leading to baggage claim, the gates, and other airport facilities. Terminal 3 provides easy connections for anyone in need of transportation.