There is a frequently asked question- What Terminal is Sun Country Airlines at LAX? Los Angeles International Airport’s (LAX) Terminal 1 is home to Sun Country Airlines. This terminal is well-appointed with a range of facilities intended to improve your journey. The Upper Level (Departures) is where the check-in desks are located, making it easy for travelers to check their bags and get their boarding tickets. Because of their streamlining, TSA security checkpoints guarantee a seamless experience for travelers. Sun Country flights normally take off from Gates 9 through 18, and once you go through security, there is obvious signage directing you to your gate. To know more visit our website.