Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is South Lake Tahoe (42% of total searches to Sierra Nevada). The next most popular destinations are Reno (24%) and Yosemite Valley (23%). Searches for hotels in Mammoth Lakes (12%) are also popular.
KAYAK users have found double rooms in Sierra Nevada for as cheap as $55 (Reno) in the last 3 days. The average price is $559.