Portici to Ventimiglia 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 Ventimiglia every about 2 hours on average. If travelling with Trenitalia, you need to know the Portici to Ventimiglia train schedule: the first train leaves at 08:55, while the last ride is at 20:30. A Portici to Ventimiglia train cost about 72.2 €. But how long is the train ride from Portici to Ventimiglia? Your journey takes about 11 hours on average.