Dec 2, 2015 - 6:44 AM
Hi gmwooo, welcome to MySwissAlps,
You can certainly include the Bernina Express. You would take a train to Chur, the Bernina Express to Tirano, and finally the Bernina Express bus to Lugano (not available in winter).
With a Swiss Travel Pass, all of that is free, except for the seat reservations.
Last modified on Dec 2, 2015 - 6:47 AM by Arno