Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Hilo (84% of total searches to Hawaii Volcano National Park). The next most popular destinations are Hawaiian Beaches (12%) and Keaau (2%). Searches for hotels in Pahoa (2%) are also popular.
KAYAK users have found double rooms in Hawaii Volcano National Park for as cheap as $52 (Hilo) in the last 3 days. The average price is $356.