Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Riva del Garda (33% of total searches to Trentino-Alto Adige). The next most popular destinations are Bolzano (29%) and Canazei (19%). Searches for hotels in Corvara in Badia (19%) are also popular.
KAYAK users have found double rooms in Trentino-Alto Adige for as cheap as $76 (Bolzano) in the last 3 days. The average price is $647.