Begin your search for a cheap car rental close to Church of San Telmo by keying in your vacation dates and pick-up and drop-off points. That’s how affordable a car rental can be around this major attraction, but there are a range of factors that will influence the price — your vehicle category is just the start. Whatever your budget or type of car you want, Expedia has awesome offers from a variety of car rental companies that’ll get you on the road for less.