The average train between Thun and Chiasso takes 4h 56m and the fastest train takes 3h 57m. There is a train service every few hours from Thun to Chiasso. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Thun and Chiasso. The earliest departure is at 6:33 AM in the morning, and the last departure from Thun is at 8:34 PM which arrives into Chiasso at 8:55 AM. All services require a transfer, and take on average 4h 56m. The schedules shown below are for the next available departures.

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Want to know about travelling from Thun to Chiasso? 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 train from Thun to Chiasso. However, there are services departing from Thun station and arriving at Chiasso station via Zürich HB. The journey, including transfers, takes approximately 4h 56m.
Thun to Chiasso train services, operated by Swiss Federal Railways (SBB CFF FFS), depart from Thun station.
Thun to Chiasso train services, operated by Swiss Federal Railways (SBB CFF FFS), arrive at Chiasso station.
Book your Thun to Chiasso train tickets online with Swiss Federal Railways (SBB CFF FFS).
The distance between Thun and Chiasso is 148.5 km. The road distance is 350 km.
You can take a train from Thun to Chiasso via Zürich HB in around 4h 31m.