what terminal is spirit in las vegas Spirit Airlines operates out of Terminal 1 at McCarran International Airport in Las Vegas. Terminal 1 is the main terminal at the airport and is divided into four concourses: A, B, C, and D. When arriving at the airport, passengers can access the Spirit Airlines check-in counters in the Ticketing Lobby, which is located on Level 2 of Terminal 1. Passengers can check-in for their flights at one of the self-service kiosks or at a staffed counter. After checking in, passengers can proceed to the security checkpoint, which is also located on Level 2. Once through security, passengers can access the gates for their flights. Spirit Airlines gates are located in Concourse D, which can be accessed from the Esplanade on Level 2. The Esplanade is a central hub with food, beverage, and retail options for passengers.