Alaska Airlines operates out of Terminal 1 at Las Vegas’ Harry Reid International Airport (LAS). This terminal handles most domestic flights, so if you’re flying Alaska Airlines from Las Vegas, you’ll check in, pass through security, and board your flight all in Terminal 1. The terminal offers plenty of amenities like restaurants, shops, free Wi-Fi, and comfortable seating to make your time at the airport easier and more enjoyable. Knowing Alaska Airlines is at Terminal 1 helps you plan your airport arrival and navigate smoothly.