Operating out of Terminal 3 at Toronto Pearson International Airport (YYZ), Alaska Airlines YYZ Terminal offers easy access to the US. U.S. Customs Preclearance, quick check-in procedures, and lounge access such as the Plaza Premium Lounge are all advantages for travelers. With a variety of eating options, duty-free shopping, and contemporary comforts, Terminal 3 guarantees Alaska Airlines passengers a hassle-free and comfortable travel experience.