Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Surabaya (66% of total searches to East Java). The next most popular destinations are Malang (21%) and Batu (8%). Searches for hotels in Banyuwangi (5%) are also popular.
KAYAK users have found double rooms in East Java for as cheap as $6 (Banyuwangi) in the last 3 days. The average price is $54.