Car rental in Alpine Arena and the entire Alpine region, including Laax, is available 24 hours a day. It's the easiest way to get around between resorts if you don't want to depend on buses or railroads. A cheap car rental in Laax can be found on this site. During high season and peak rentals, it's not uncommon to offer 50% off.
Car rental in Laax, as in the rest of Switzerland, is not without a deposit. But they do offer an all-inclusive system, including rental, unlimited mileage, insurance and, in some cases, airport taxes. On average, the price of a passenger car rental per day in Laax will cost you 80-100 CHF. This is quite a cheap option for car rental in Laax and the surrounding area, many cars start from 120 CHF. This is usually for large autos with cargo capabilities. Alternatively, you can use online booking for airport transfers to the resort, it's much more convenient and cheaper.