There are many options for your stay in Calgary. If you want to be close to the University, the Hotel Alma is conveniently located right on the main campus. Motel Village is just one train stop from campus, where you can choose from a wide variety of accommodations, and downtown hotels are only a 15 minute train ride from the University. You can find links to a number of options here.
You can find more information on Calgary’s transit system here.
CACW Calgary 