The average bus between Cortona and Siena takes 2h 34m and the fastest bus takes 2h 10m. The bus service runs several times per day from Cortona to Siena. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run 4 times a day between Cortona and Siena. The earliest departure is at 6:33 AM in the morning, and the last departure from Cortona is at 7:12 PM which arrives into Siena at 9:43 PM. All services require a transfer, and take on average 2h 34m. The schedules shown below are for the next available departures.

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3h 16m • 1 change

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2h 24m • 1 change

2h 41m • 1 change

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2h 41m • 1 change

2h 10m • 1 change

3h • 1 change

2h 24m • 1 change

2h 41m • 1 change
Want to know about travelling from Cortona to Siena? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Cortona to Siena. However, there are services departing from Cortona station and arriving at Siena station via Via Romana 68 - Chiesa San Marco. The journey, including transfers, takes approximately 2h 34m.
Cortona to Siena bus services, operated by Autolinee Toscane, depart from S.P.71 N.C. 43 Le Piagge station.
Cortona to Siena bus services, operated by Autolinee Toscane, arrive at Porta Ovile station.
The distance between Cortona and Siena is 53.2 km. The road distance is 97 km.
You can take a bus from S.P.71 N.C. 43 Le Piagge to Porta Ovile via Via Romana 60 Opp Chiesa San Marco in around 2h 51m.