Monopoli 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 Monopoli and arrive at Trapani every about 6 hours on average. If travelling with Trenitalia, you need to know the Monopoli to Trapani train schedule: the first train leaves at 14:53, while the last ride is at 16:31. A Monopoli to Trapani train cost about 134.2 €. But how long is the train ride from Monopoli to Trapani? Your journey takes about 23 hours on average.