Bus timetable Zurich to Cres Island in Croatia, there is NO direct buses between Zurich and Cres, but travelling is possible via Rijeka, below you can see timetable for buses from Zurich to Rijeka. Check the INFO ICONs in the timetable below to see operational days and period of the buses. Bus from the Rijeka bus station to Cres you can see here.
If you are going on Holiday and plan to return to Zurich with bus, you should buy a return ticket as this is cheaper then two single tickets. Return timetable Rijeka to Zurich you can see here.