Portici to Fondi 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 Portici-Ercolano and arrive at Fondi-Sperlonga every 60 minutes on average. If travelling with Trenitalia, you need to know the Portici to Fondi train schedule: the first train leaves at 08:03, while the last ride is at 20:53. A Portici to Fondi train cost about 12.5 €. But how long is the train ride from Portici to Fondi? Your journey takes about 4 hours on average.