Start your search for a cheap car rental near Ria Formosa Natural Park by selecting your getaway dates and pick-up and drop-off points. That’s how inexpensive a car rental can be around this key attraction, but there are a range of factors that will influence how much you pay — your travel dates are just the start. Whatever your budget and preferred car type, Expedia has exclusive offers from a range of car rental companies that’ll get you in the driver’s seat for less.