Olbia to Oristano 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 Olbia and arrive at Oristano every about 2 hours on average. If travelling with Trenitalia, you need to know the Olbia to Oristano train schedule: the first train leaves at 06:51, while the last ride is at 18:52. A Olbia to Oristano train cost about 11.5 €. But how long is the train ride from Olbia to Oristano? Your journey takes about 3 hours on average. Trenitalia offers 1 direct trains between these two cities. Thanks to Trenitalia, offers, you can save on your trip from Olbia to Oristano and find low cost tickets starting from 12 €!