Toronto Pearson International Airport is an international airport located in Mississauga, Ontario, Canada. It is the main airport serving Toronto, its metropolitan area, and the surrounding region known as the Golden Horseshoe. Pearson is the largest and busiest airport in Canada, handling 46.8 million passengers in 2024. It is named in honour of Lester B. Pearson (1897–1972), the 14th Prime Minister of Canada and 1957 Nobel Peace Prize laureate for his humanitarian work in peacekeeping.