Bernina Express
 

I am very keen to go on the Bernina Express but can I do it in a day?
Starting and ending in Milan. Thank you.

I am not sure that this will answer your question, but I inquired about the Bernina Express or the Glacier Express a while ago. This is the link to the responses I got.

http://www.fodors.com/community/euro...xpress-etc.cfm

Day trip from Milan every Tuesday and Saturday
http://www.livemilano.com/en/outside...an-detail.html

We took some years ago this day trip and were very pleased with it:
http://en.zaniviaggi.it/tour/dettagl...a_catalogo=410

Thank you all for the replies.