Flying out of Los Angeles International Airport with Frontier Airlines? Whether you’re heading out on a weekend getaway or an important business trip, knowing your terminal details in advance can make your airport experience smoother and more stress-free. Frontier Airlines operates from Terminal 5 at LAX — a terminal known for its convenience and traveler-friendly layout. For a complete overview of services, check-in tips, and amenities, the Frontier Lax Terminal guide is your go-to resource.