Cheap Flights to Top Ski Destinations. Get $20 Off. Promo Code: SKI20. Nothing can match the thrill of a clear and crisp winter day combined with breathtaking scenery with mountains; and the unparalleled feeling of achieving something a little more than just ordinary. Skiing is undoubtedly one of the most popular winter activities. The sport requires a considerable level of physical fitness, willingness to endure the elements at times and the will to overpower the inherent scare that every skier experiences the first time. But once you accomplish your first ski session, the exhilaration and joy you feel is simply wonderful.