Trieste to San Cataldo 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 Trieste Centrale and arrive at S. Cataldo every about 4 hours on average. If travelling with Trenitalia, you need to know the Trieste to San Cataldo train schedule: the first train leaves at 16:15, while the last ride is at 20:40. A Trieste to San Cataldo train cost about 119.95 €. But how long is the train ride from Trieste to San Cataldo? Your journey takes about 19 hours on average.