The first flights are set to depart from the San Diego International Airport's brand-new Terminal 1 on Tuesday, marking a long-awaited turning point for SAN's multi-billion-dollar renovation. The San Diego International Airport is growing at a rate much larger than its space allows. San Diego International Airport's original Terminal 1 is closing after nearly 60 years in operation, reports NBC 7's Joe Little. Take a look at the new Terminal 1Photos: Sneak peek at San Diego International Airport's new Terminal 1What can guests look forward to at Terminal 1? “Stretches one mile, all the way to the departure and arrival points at Terminal 1," said San Diego International Airport spokeswoman Nicole Hall.