Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Puerto Natales (28% of total searches to Patagonia). The next most popular destinations are Ushuaia (27%) and El Calafate (25%). Searches for hotels in San Carlos de Bariloche (20%) are also popular.
KAYAK users have found double rooms in Patagonia for as cheap as C$ 13 (El Calafate) in the last 3 days. The average price is C$ 133.