If you stay in a hotel in or near St. Moritz between May 1 and October 31 2017, you will receive a "Mountain railways included" pass for unlimited free access to regional cable cars and funiculars. You need to book at least two nights.
Please check the links to find the best room rates. Note that some hotels may not be open all summer, and some may require a minimum booking of more than 2 nights.
All you need to know about traveling by train, bus or car in Switzerland.
Hand picked Swiss hotels and other accommodations are right here.