Three, four, five or six-day trips now feature in Austria, Bulgaria, France, Norway and Switzerland. Itineraries cover mid-week or long weekends, with flights, transfers and accommodation included. Options include half-board hotels and self-catering. The range now includes city stays in Innsbruck, a short distance from the slopes, plus lesser-known resorts like Les Houches in France and Seefeld in Austria. Crystal said: “Whilst customers are still opting for seven-night holiday packages, shorter duration breaks are performing well and attracting interest from new customers.” It added Chamonix was the most popular…