The Toronto Pearson International Airport is the 33rd busiest airport in the world , having over 40 million passengers in 2015 .
The primary airport of the region is Toronto Pearson International Airport ( officially Lester B. Pearson International Airport ) , located in Mississauga , which is the busiest in Canada and the 34th busiest in the world , handling over 38.5 million passengers in 2014 , and offering non-stop flights worldwide .