Step-by-Step Guide to Alaska Airlines LAX Terminal Alaska Airlines is based in Terminal 6 at Los Angeles International Airport (LAX). The terminal features simplified check-in, security, lounges, restaurants, and shops. Guests have easy access to gates, friendly service, and easy boarding. Terminal 6 provides a hassle-free experience for Alaska Airlines travelers at one of the world's busiest airports. See more: Step-by-Step Guide to Alaska Airlines LAX Terminal