What terminal is Spirit Airlines at LAS refers to the question about which terminal Spirit Airlines operates from at Las Vegas McCarran International Airport (now known as Harry Reid International Airport). The answer to What terminal is Spirit Airlines at LAS is that Spirit Airlines primarily operates out of Terminal 1. This terminal houses the airline’s check-in counters, security checkpoints, and boarding gates, making it the main hub for Spirit Airlines passengers flying to and from Las Vegas. The “What terminal is Spirit Airlines at LAS” question is often asked by travelers to help them navigate the airport efficiently.