Frontier Airlines uses Terminal 1 at Los Angeles International Airport (LAX) for passenger check-in, baggage drop-off, and security screening. Depending on the flight, passengers may need to take the airport shuttle to Terminal B (Tom Bradley International Terminal) for departure. As terminal and gate information may change, it is always best to verify your flight details before traveling. If you want more information about what terminal is Frontier Airlines at LAX or any other information related to terminals, visit Terminal-Hub. This platform gives you all important and updated information you need before travel.