From Wikipedia:

This is a list of defunct airlines of Canada.



Air Alliance (1988 - 1999, to Air Nova)
Air Atlantic (1980s-1998)
Air Baffin (1990-?) (now Air Nunavut)
Air BC (1980 - 2001, to Air Canada Jazz)
Air Canada Tango (2001 - 2003; name retained as a type of fare on its regular Air Canada services)
Air Club International (1993 - 1996) - Chartered airlines with flights to Europe
Air Dawson (-1997?)
Air Nova (1986 - 2001, to Air Canada Jazz)
Air Ontario (1987 - 2001, to Air Canada Jazz)
AllCanada Express (1989 - 2005)
Austin Airways (1934 - 1987, to Air Ontario)
Baxter Aviation (1985-2007; sold to West Coast Air)
Canada 3000 (1988 - 2001, formerly Canada 2000)
Canada West Air (1986 - 1990)
Canada West Airlines (2002 - 2004)
Canadian Airlines (1987 - 2001, to Air Canada)
Canadian Airways (1930 - 1941)
Canadian Colonial Airways (1929 - 1942)
Canadian Pacific Airlines (also known as CP Air) (1942 - 1987, to Canadian Airlines International)
Canadian Regional Airlines (1991 - 2001, to Air Canada Jazz)
City Express (ceased operations 1991)
Colonial Airlines (1942 - 1956; sold to Eastern Air Lines)
Eastern Provincial Airways (1949 - 1987, to Canadian Airlines International)
Fortunair
Globemaster Air Cargo (2003 - 2004)
Great Lakes Airlines (to Air Ontario)
Greyhound Air (1996 - 1997)
Harmony Airways (2002 - 2007)
Ilford-Riverton Airways (1960 - 1986)
Inter-Canadien (1987-1998; to Canadian Airlines International)
Jetsgo (2002 - 2005)
Knighthawk Air Express (1993 - 2004)
Lamb Air (1934 - 1981)
Maestro (2006 - 2007)
Maritime Central Airways (1941 - 1980s)
Millardair (1962 - 1990)
NAC Air (North American Charters) (2000 - 2008)
Nationair (1984 - 1993)
Newfoundland Airways (1948 - 1983, to Air Labrador)
Norcanair (1947 - 1987)
Nordair (1951 - 1987)
NorOntair (1971 - 1996)
North Canada Air (1930 to 1965; see also Time Air)
NWT Air (1960 - 1998, to First Air
Odyssey International (1988 - 1990)
Ontario Express (1980s - 1993; to Canadian Airlines International)
Pacific Western Airlines (1946 - 1987, to Canadian Airlines International)
Peace Air (1962 - 2007)
Pemair (1970 - 2002)
Quebecair (1946 - 1987)
Quebecair Express
Queen Charlotte Airlines
QuikAir (2001 - 2006)
Regal Air (was ATAC.ca member)
Roots Air (2000 - 2001)
Royal Aviation (1991 - 2001)
Sonicblue Airways (ceased operations 2006)
Southern Frontier Airlines (to Time Air)
Time Air (1966 - 1991, to Canadian Airlines International)
Torontair (1961 - 1999)
Transair ( 1947 - 1979; started as Central Northern Airways, renamed Transair 1956; sold to Pacific Western Airlines in 1979)
Trans-Canada Air Lines (now Air Canada)
Trans-Provincial Airlines (sold to Harbour Air)
Triton Airlines (1993 - 1994)
Val Air (2003 - 2004)
Vision Airways Corporation (? - 1994)
Vistajet (1997 - 1997)
Wardair (1946-1990), to Canadian Airlines International)
Western Canada Airways (1926 - 1930)
Winnport (1998-1998) - Winnipeg-based air cargo company flying to China
Worldways Canada (1974 - 1991)
World-Wide Airways (1947 - 1966)
Zip (2002 - 2004)
Zoom Airlines (2002 - 2008)