Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Bolzano (38% of total searches to Trentino-Alto Adige). The next most popular destinations are Ortisei (30%) and Riva del Garda (16%). Searches for hotels in Madonna di Campiglio (15%) are also popular.
KAYAK users have found double rooms in Trentino-Alto Adige for as cheap as $124 (Riva del Garda) in the last 3 days. The average price is $390.