Casal di Principe 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 Albanova and arrive at Trapani every about 12 hours on average. If travelling with Trenitalia, you need to know the Casal di Principe to Trapani train schedule: the first train leaves at 21:27, while the last ride is at 21:27. A Casal di Principe to Trapani train cost about 102.8 €. But how long is the train ride from Casal di Principe to Trapani? Your journey takes about 17 hours on average.