Frosinone to Vasto 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 Frosinone and arrive at Porto di Vasto every about 2 hours on average. If travelling with Trenitalia, you need to know the Frosinone to Vasto train schedule: the first train leaves at 07:09, while the last ride is at 14:51. A Frosinone to Vasto train cost about 15.5 €. But how long is the train ride from Frosinone to Vasto? Your journey takes about 7 hours on average.