Year around it is possible to travel by bus from Zurich to Hum na Sutli below we have listed the routes operated, Click on the INFO icon in the timetable below to see operation dates of bus. The travel time for the 940 km long bus route from Zurich to Hum na Sutli is about 15 hours.
If you also plan to travel back to Zurich, you should buy a return ticket as this is cheaper then two single tickets, you can see timetable for returning buses here.