I have read many good things about the Voralpen Express trip from Luzern to St. Gallen. They all speak of getting off at Rapperswil and/or other locations along the way, mentioning that you can get off and continue the journey at your own speed allowing for hourly trains arriving and departing at these locations. When looking online to purchase tickets it looks like you can purchase true "express" tickets with no stops and then I see other tickets with "one stop".
What I am looking for is two first class tickets from Luzern to St. Gallen with the choice to get off at any of the stops along the way and then get back on a later train to continue on to St. Gallen. Then return later the same day to Luzern. Where do I go to purchase such a ticket and what do I look for? Also, can it be purchased with a 1/2 fare card?
TIA! Lorrie