Roughly 7 hours from Heathrow nonstop to Pearson.
From aeroplan I received 3,546 miles for the return trip (GB -> YYZ) in July 2007.
7 hours and 40-55 minutes when i last traveled
The average flight time from London Heathrow Airport to Philadelphia International Airport is 7 hours, 5 minutes.
11 hours
The flight time from London Heathrow Airport to Indianapolis International Airport is 8 hours.
The flight time from London Heathrow Airport to Los Angeles International Airport is about 11 hours.
The flight time from London Heathrow (LHR) to Tribhuvan International Airport (KTM) is 9 hours, 10 minutes.
The flight time from Denver International Airport to London Heathrow Airport is 9 hours, 21 minutes.
The flight distance from Chicago O'Hare International Airport to London Heathrow Airport is about 3,955 miles.
The flight time from Ronald Reagan Washington National Airport to Toronto Pearson International Airport is about 43 minutes.
From LAX (Los Angeles International Airport) flying directly to LHR (London Heathrow Airport) is a flight of about ten and a half hours.
22 1/2 hours !!
The flight time from Raleigh-Durham International Airport to London Heathrow Airport is about 7.5 to 8 hours.
The flight time from Toronto Pearson International Airport to Los Angeles International Airport is about 4 hours, 21 minutes.