The Swiss Half Fare Card and the STS Family Card are not valid for the Italian leg of the trip, but only for the Swiss leg (that is, Lugano-Chiasso). Please review the map we link to at the Swiss Half Fare Card page (under the header 'Features') for an exact overview of the validity network. I found somewhat different costs, but these may depend on the exact connection you choose. The quickest and easiest connection I found (a direct connection without changes by EuroCity, taking about 1h00) costs CHF 21.00 per person for 2nd class, including the 50% discount for the Swiss leg. If you want to take the 50% discount for Switzerland into account when checking prices, you should select the option 'Half-fare travelcard' under the header 'Reduction for' during step 2 of the process.
All you need to know about traveling by train, bus or car in Switzerland.
Hand picked Swiss hotels and other accommodations are right here.
Swiss Travel Pass promotion 25% discountOnly if purchased in July 2021. Free cancellation.Buy via the SBB travel centre at https://shop.switzerlandtravelcentre.com or HappyRail at https://www.happyrail.com/swiss-travel-pass.