Sondrio to Trapani trains might be a good value for money solution: travelling in Italy by train is often rather cheap and faster than taking a bus indeed Trains leave from Sondrio and arrive at Trapani every about 4 hours on average. If travelling with Trenitalia, you need to know the Sondrio to Trapani train schedule: the first train leaves at 16:38, while the last ride is at 19:38. A Sondrio to Trapani train cost about 90.4 €. But how long is the train ride from Sondrio to Trapani? Your journey takes about 10 hours on average.