Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Kawagoe (44% of total searches to Saitama Prefecture). The next most popular destinations are Kumagaya (22%) and Wako (22%). Searches for hotels in Hannō (11%) are also popular.
KAYAK users have found double rooms in Saitama Prefecture for as cheap as S$ 37 (Kumagaya) in the last 3 days. The average price is S$ 121.