Start your search for a cheap car rental near Isle Royale National Park by selecting your vacation dates and pick-up and drop-off points. That’s how competitive a rental car can be around this leading attraction, but there are a range of factors that will determine how much you pay — your vehicle class is just the start. Whatever your budget and preferred car type, Expedia has awesome offers from a big range of car rental companies that’ll get you behind the wheel for less.