Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Minamioguni (42% of total searches to Kumamoto Prefecture). The next most popular destinations are Kumamoto (33%) and Aso (17%). Searches for hotels in Hitoyoshi (8%) are also popular.
KAYAK users have found double rooms in Kumamoto Prefecture for as cheap as $43 (Kumamoto) in the last 3 days. The average price is $141.