Frosinone to Trento 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 Trento every about 1 hour on average. If travelling with Trenitalia, you need to know the Frosinone to Trento train schedule: the first train leaves at 04:25, while the last ride is at 16:22. A Frosinone to Trento train cost about 74.1 €. But how long is the train ride from Frosinone to Trento? Your journey takes about 6 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Frosinone to Trento and find low cost tickets starting from 18 €!