Out of all the popular cities in Chile, Santiago is the cheapest city to rent a car in at just C$ 29/day. Renting a car in Santiago is 68% cheaper than renting one in Puerto Montt where the per day rate is around C$ 87. Other fairly inexpensive cities in Chile to get a rental car in are: La Serena (C$ 36/day), Punta Arenas (C$ 45/day), and Calama (C$ 47/day). While these cities typically have cheaper prices than the rest of the country, travelers looking to rent a car in Santiago should expect to spend around C$ 29/day on their transportation. The most popular city to rent a car in Chile is Santiago.