Turkish Airlines YYZ Terminal Turkish Airlines is based out of Toronto Pearson International Airport's Terminal 1 (YYZ). Turkish Airlines, a part of the Star Alliance network, connects travelers to more than 300 locations across the globe with direct flights from Toronto to Istanbul Airport (IST). Among the many facilities available to passengers passing through Terminal 1 are dining establishments, duty-free shopping, and lounge access, including the Maple Leaf Lounge for business class passengers and Star Alliance Gold members. Turkish Airlines passengers can travel with ease thanks to Terminal 1's sophisticated and effective travel experience.