The average bus between Siena and Cardiff takes 33h 2m and the fastest bus takes 31h 40m. There is at least one bus per day from Siena to Cardiff. 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 once daily between Siena and Cardiff. The earliest departure is at 11:40 AM in the morning, and the last departure from Siena is at 6:10 PM which arrives into Cardiff at 12:50 AM. All services require a transfer at Florence Villa Constanza Bus Station and take an average of 33h 2m. The schedules shown below are for the next available departures.
Arrives next day



33h 10m • 3 changes
Arrives +2 days



30h 40m • 3 changes
Arrives next day



32h 55m • 3 changes
Arrives +2 days



30h 40m • 3 changes
Want to know about travelling from Siena to Cardiff? 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 Siena to Cardiff. However, there are services departing from Siena station and arriving at Cardiff station via Florence Villa Constanza Bus Station station. The journey, including transfers, takes approximately 33h 2m.
Siena to Cardiff bus services, operated by FlixBus, depart from Siena station.
Siena to Cardiff bus services, operated by FlixBus, arrive at University RE station.
Book your Siena to Cardiff bus tickets online with FlixBus, BlaBlaCar Bus and National Express.
The distance between Siena and Cardiff is 1,415.6 km. The road distance is 1,968 km.
You can take a bus from Siena to University RE via Florence Villa Constanza Bus Station, Paris - Bercy-Seine Bus Station, Paris, Quai de Bercy (Bercy Seine), and London Victoria in around 33h 2m.