Ischia Porto to Viterbo 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 Pozzuoli Solfatara, Roma Termini, Roma Tiburtina and arrive at Viterbo Porta Fiorentina every 60 minutes on average. If travelling with Trenitalia, you need to know the Ischia Porto to Viterbo train schedule: the first train leaves at 05:23, while the last ride is at 21:46. A Ischia Porto to Viterbo train cost about 5.40 €. But how long is the train ride from Ischia Porto to Viterbo? Your journey takes about 3 hours on average. Trenitalia offers 4 direct trains between these two cities. If you need to travel this week, prices range from 5.40 € to 8.20€. Booking your train ticket a few weeks in advance though, you can find low cost trains from Ischia Porto to Viterbo with fares starting from 5.40€, saving 31% on average.