What Terminal is Sun Country at LAX - When flying with Sun Country Airlines from Los Angeles International Airport (LAX), knowing your terminal details ensures a stress-free journey. Sun Country operates from the Tom Bradley International Terminal (TBIT) at LAX for select flights, while most domestic departures use Terminal 3. Always verify your terminal before arriving, as assignments may change. Low-cost fares with upgrade choices for extra legroom and perks. Seamless transfers for flights to Mexico, the Caribbean, and beyond. Friendly staff and streamlined processes for a quick start to your trip. Seasonal and year-round flights to Minneapolis (MSP), Las Vegas, Phoenix, Puerto Vallarta, and other sun destinations. Safe travels! Enjoy Sun Country’s friendly service and LAX’s world-class facilities.