San Giuliano Milanese to Trieste 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 S. Giuliano Milanese and arrive at Trieste Centrale every about 1 hour on average. If travelling with Trenitalia, you need to know the San Giuliano Milanese to Trieste train schedule: the first train leaves at 07:13, while the last ride is at 22:16. A San Giuliano Milanese to Trieste train cost about 43.5 €. But how long is the train ride from San Giuliano Milanese to Trieste? Your journey takes about 7 hours on average.