Canada 3000 Airlines Inc. was a Canadian discount charter airline offering domestic and international flights. It was the largest charter airline in the world at the time of its operation, with over 90 destinations worldwide, although it changed to scheduled service in 2000 after the Canadian Airlines and Air Canada merger. Canada 3000 competed with Air Canada, WestJet, and fellow charter airline Air Transat. In November 2001, the airline went out of business after a sharp decline in revenues following the September 11 attacks in the United States. There have been several attempts to restart the airline since then. The airline was headquartered in Etobicoke in the west-end of Toronto, Ontario.

Air Canada is the flag carrier and the largest airline of Canada, by size and passengers carried. Air Canada is headquartered in the borough of Saint-Laurent, Montreal, Quebec. The airline, founded in 1937, provides scheduled and charter air transport for passengers and cargo to 222 destinations worldwide. It is a founding member of the Star Alliance. Air Canada's major hubs are at Toronto Pearson International Airport (YYZ), Montréal–Trudeau International Airport (YUL), and Vancouver International Airport (YVR).