The average train between Southampton and Sion takes 16h 29m and the fastest train takes 11h 56m. The train service runs several times per day from Southampton to Sion. 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 4 times a day between Southampton and Sion. The earliest departure is at 4:49 AM at night, and the last departure from Southampton is at 9:58 PM which arrives into Sion at 6:56 PM. All services require a transfer at London Waterloo Station and take an average of 16h 29m. The schedules shown below are for the next available departures.





13h 7m • 5 changes




11h 56m • 5 changesArrives next day





18h 49m • 5 changesArrives next day





20h 57m • 5 changes




13h 7m • 5 changes




11h 56m • 5 changesArrives next day





18h 49m • 5 changesArrives next day





20h 57m • 5 changes




13h 7m • 5 changes




11h 56m • 5 changesArrives next day





12h 56m • 5 changesArrives next day





20h 57m • 5 changesWant to know about travelling from Southampton to Sion? 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 Southampton to Sion. However, there are services departing from Southampton Central station and arriving at Sion station via London Waterloo station, Lille Europe station, Lyon Part Dieu station and Geneve station. The journey, including transfers, takes approximately 16h 29m.
Southampton to Sion train services, operated by South Western Railway, depart from Southampton Central station.
Southampton to Sion train services, operated by Swiss Federal Railways (SBB CFF FFS), arrive at Sion station.
Book your Southampton to Sion train tickets online with Omio.
The distance between Southampton and Sion is 827.2 km.
You can take a train from Southampton Central to Sion via London Waterloo Station, Waterloo station, Euston station, London St Pancras Intl, Lille Europe, Lyon Part Dieu, and Genève in around 13h 15m.