The average train between Sion and Chamonix takes 2h 47m and the fastest train takes 2h 6m. There is a train service every few hours from Sion to Chamonix. 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 Sion and Chamonix. The earliest departure is at 6:20 AM in the morning, and the last departure from Sion is at 7:39 PM which arrives into Chamonix at 7:10 AM. All services require a transfer at Martigny and take an average of 2h 47m. The schedules shown below are for the next available departures.


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2h 6m • 2 changes
Want to know about travelling from Sion to Chamonix? 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 Sion to Chamonix. However, there are services departing from Sion station and arriving at Chamonix station via Vallorcine. The journey, including transfers, takes approximately 2h 47m.
Sion to Chamonix train services, operated by Swiss Federal Railways (SBB CFF FFS), depart from Martigny station.
Sion to Chamonix train services, operated by Swiss Federal Railways (SBB CFF FFS), arrive at Chamonix-Mont-Blanc station.
Book your Sion to Chamonix train tickets online with Swiss Federal Railways (SBB CFF FFS), Transports de Martigny et Régions and 2 other operators.
The distance between Sion and Chamonix is 50.2 km. The road distance is 61 km.
You can take a train from Sion to Chamonix-Mont-Blanc via Martigny and Vallorcine in around 2h 43m.