Ciampino to Frosinone 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 Roma Termini and arrive at Frosinone every 30 minutes on average. If travelling with Trenitalia, you need to know the Ciampino to Frosinone train schedule: the first train leaves at 06:15, while the last ride is at 22:28. A Ciampino to Frosinone train cost about 5.0 €. But how long is the train ride from Ciampino to Frosinone? Your journey takes about 1 hour on average. Trenitalia offers 33 direct trains between these two cities. Thanks to Trenitalia, offers, you can save on your trip from Ciampino to Frosinone and find low cost tickets starting from 5 €!