The train between Heathrow and Sion takes 10h 52m. The train runs, on average, once a week from Heathrow 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 on demand between Heathrow and Sion. Service times information will be available soon. All services run direct with no transfers required, and take on average 10h 52m.
Want to know about travelling from Heathrow 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 Heathrow to Sion. However, there are services departing from London St Pancras Intl station and arriving at Sion station via Paris Nord station and Geneve station. The journey, including transfers, takes approximately 10h 52m.
Heathrow to Sion train services, operated by Eurostar, depart from London St Pancras Intl station.
Heathrow to Sion train services, operated by Swiss Federal Railways (SBB CFF FFS), arrive at Sion station.
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The distance between Heathrow and Sion is 815.2 km.
You can take a subway from Heathrow Terminals 2 & 3 station to Sion via King's Cross St. Pancras station, London St Pancras Intl, Paris Nord, Paris Gare De Lyon, and Genève in around 10h 52m.