How long does it take to go from Toronto Canada to London England?

6hr 45min to 7hr 10min Toronto Intl (YYZ) to London Heathrow (LHR) by a nonstop flight operated by Air Canada, Air India, British Airways or Singapore Airlines.

7hr 00min Toronto Intl (YYZ) to London Gatwick (LGW) by a nonstop flight operated by Air Transat. (Cheapest Option).