Sestu to Olbia 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 Cagliari and arrive at Olbia every about 2 hours on average. If travelling with Trenitalia, you need to know the Sestu to Olbia train schedule: the first train leaves at 06:22, while the last ride is at 18:22. A Sestu to Olbia train cost about 18.00 €. But how long is the train ride from Sestu to Olbia? Your journey takes about 4 hours on average. Trenitalia offers 1 direct trains between these two cities. Thanks to Trenitalia, offers, you can save on your trip from Sestu to Olbia and find low cost tickets starting from 18 €! If you need to travel this week, prices start from 18.00€.