Trapani to Siderno 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 Trapani and arrive at Siderno every about 12 hours on average. If travelling with Trenitalia, you need to know the Trapani to Siderno train schedule: the first train leaves at 05:43, while the last ride is at 05:43. A Trapani to Siderno train cost about 55.2 €. But how long is the train ride from Trapani to Siderno? Your journey takes about 11 hours on average.