Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Boise (40% of total searches to Idaho). The next most popular destinations are Ketchum (20%) and Sun Valley (20%). Searches for hotels in Pocatello (20%) are also popular.
KAYAK users have found double rooms in Idaho for as cheap as $80 (Boise) in the last 3 days. The average price is $370.