Begin your search for a cheap car rental close to Sun Valley Visitor Center by keying in your travel dates and pick-up and drop-off locations. That’s how pocket-friendly a rental car can be around this popular attraction, but there are a few things that will determine how much you pay — your travel dates are just the start. Whatever your budget or type of car you want, Expedia has unbeatable offers from a big range of car rental companies that’ll get you driving off for less.