Valenza 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 Valenza and arrive at Trapani every about 2 hours on average. If travelling with Trenitalia, you need to know the Valenza to Trapani train schedule: the first train leaves at 11:54, while the last ride is at 19:58. A Valenza to Trapani train cost about 90.4 €. But how long is the train ride from Valenza to Trapani? Your journey takes about 6 hours on average.