Cheap flights from toronto to london we can find them very easy all year long. London is a beautiful city and if your planing to travel dont forget london with its theatres.
In the internet you can find a cheap flight to london, and if you have the chance you can get a cheap airfare to london including the hotel and the breakfast.
Cheap flights to london england, you can find them with a canadian airline or british airline, they are almost in the same range or price.
If you are planing in london to go to a theater you can find the tickets in the internet.
Near london heathrow airport is a cheap hotel, wich is not that bad for the price. Also you can find near the london airport expensive hotels, this is very convinence.
The flight from toronto to london is going to take like 5 hours aprox.
You can also get in london the travel card, with this card you can get discounts in museums, buses, metro and sometime also for the theatre.