Fondi to Portici 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 Fondi-Sperlonga and arrive at Portici-Ercolano every about 2 hours on average. If travelling with Trenitalia, you need to know the Fondi to Portici train schedule: the first train leaves at 06:45, while the last ride is at 17:52. A Fondi to Portici train cost about 6.2 €. But how long is the train ride from Fondi to Portici? Your journey takes about 3 hours on average.