Out of all the popular cities in Ontario, Toronto is the cheapest city to rent a car in at just ₹ 1,383/day. Renting a car in Toronto is 84% cheaper than renting one in Sault Ste Marie where the per day rate is around ₹ 8,618. Other fairly inexpensive cities in Ontario to get a rental car in are: Hamilton (₹ 3,217/day), Windsor (₹ 4,870/day), and Sault Ste Marie (₹ 8,618/day). While these cities typically have cheaper prices than the rest of the country, travelers looking to rent a car in Toronto should expect to spend around ₹ 1,383/day on their transportation. The most popular city to rent a car in Ontario is Toronto.