Frosinone to Ventimiglia 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 Ventimiglia every about 2 hours on average. If travelling with Trenitalia, you need to know the Frosinone to Ventimiglia train schedule: the first train leaves at 05:00, while the last ride is at 15:48. A Frosinone to Ventimiglia train cost about 65.5 €. But how long is the train ride from Frosinone to Ventimiglia? Your journey takes about 10 hours on average.