YYC Calgary International Airport, originally named McCall Field (IATA: YYC, ICAO: CYYC), is the international airport that serves Calgary, Alberta, Canada and the surrounding region; it is situated approximately 17 km (11 mi) northeast of downtown Calgary. The airport offers scheduled non-stop flights to major cities in Canada, the United States, Mexico, the Caribbean, Central America, Europe and East Asia.

YYC Calgary International Airport serves as headquarters for WestJet and as a hub airport for Air Canada and Air Canada Express. The airport is one of eight Canadian airports with US Border Preclearance facilities. The airport is operated by The Calgary Airport Authority as part of Transport Canada's National Airports System. It is Canada's fourth busiest airport by passenger traffic and 3rd by aircraft movements, handling 15,475,759 passengers in 2015 and 250,953 movements in 2014. In October 2008, The Calgary Airport Authority was named one of Alberta's Top Employers by Mediacorp Canada Inc. YYC has both the longest runway and the tallest free-standing control tower (and second tallest overall) in Canada. The airport underwent a major expansion project with its new International Facilities Project (IFP), which opened on October 31, 2016.

The airport opened in 1938 as McCall Field, named in honour of World War I ace and Calgary native Fred McCall. It is actually Calgary's third airport. The original facility was a grass airstrip in the then-town of Bowness, which opened in 1914. In 1928, it was replaced with Calgary Municipal Airport, in the Renfrew area.

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