St John's (IATA: YYT, ICAO: CYYT) is a small to medium size airport and the largest airport in Canada.There are on average 23 passenger flights scheduled to take-off from St. John's every day to 22 non-stop destinations in 10 countries and 6 U.S states. Airlines flying direct from St. John's (YYT) include Air Canada, Porter, PAL Airlines and 2 others.