Fresh look, same coastal welcome. ✈️☀️ After 4 years of construction, San Diego International Airport’s all-new Terminal 1 is officially open bringing more space, more connectivity, and a world-class welcome to San Diego! . As one of the busiest single-runway airports in the world and the third-busiest in California, SAN is ready to take travel to new heights through sustainable building practices, a modernized terminal, improved airfield and transportation access, and fresh amenities designed f