What Terminal is Spirit Airlines at Las Vegas? , Spirit Airlines operates out of Terminal 1 at McCarran International Airport in Las Vegas. Terminal 1 is the primary terminal for domestic flights and hosts several airlines, including Spirit. It’s conveniently located near the Las Vegas Strip and offers a range of amenities for travelers, including shops, restaurants, and transportation options. So, if you’re flying with Spirit Airlines from Las Vegas, you’ll likely depart from Terminal 1.