Ostuni 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 Ostuni and arrive at Trieste Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Ostuni to Trieste train schedule: the first train leaves at 04:22, while the last ride is at 23:01. A Ostuni to Trieste train cost about 79.4 €. But how long is the train ride from Ostuni to Trieste? Your journey takes about 12 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Ostuni to Trieste and find low cost tickets starting from 43 €!