Hello @Robert-Fricot
Thank you for your query.
We have a special offer for guests who do not live in Switzerland or Lichtenstein.
Depending on the trips you intend to do by train, the offer Swiss Travel System is better than an ordinary/standard ticket: www.sbb.ch/en/leisure-holidays/travel-in-switzerland/international-guests.html
You will receive a summary of all price categories. This makes it easy to compare the fares with the offers of our Swiss Travel System.
» Instruction for the SBB Ticket Shop is available under the following Internet address:
www.sbb.ch/en/travelcards-and-tickets/buying-options/online.html
I wish you a nice weekend.
Greetings,
FatimaH