Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Riva del Garda (87% of total searches to Trentino-Alto Adige). The next most popular destinations are Bolzano (5%) and Ortisei (5%). Searches for hotels in Valdaora (3%) are also popular.
KAYAK users have found double rooms in Trentino-Alto Adige for as cheap as £41 (Lavarone) in the last 3 days. The average price is £243.