Acqui Terme 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 Acqui Terme and arrive at Trieste Centrale every about 1 hour on average. If travelling with Trenitalia, you need to know the Acqui Terme to Trieste train schedule: the first train leaves at 06:02, while the last ride is at 16:03. A Acqui Terme to Trieste train cost about 64.7 €. But how long is the train ride from Acqui Terme to Trieste? Your journey takes about 8 hours on average.