Book your Serfaus holiday safely and conveniently online: Book your holiday rental with ski pass Serfaus-Fiss-Ladis and Serfaus ski school in a comfortable way: Choose your holiday date in the first step, select your holiday apartment and secure the discounted ski passes for the guest ticket tariff in the second booking step. The booking is made on the official website of the Serfaus-Fiss-Ladis Tourist Board.