Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Bandar Seri Begawan (35% of total searches to Borneo). The next most popular destinations are Miri (30%) and Kota Kinabalu (26%). Searches for hotels in Kuching (9%) are also popular.
KAYAK users have found double rooms in Borneo for as cheap as $6 (Balikpapan) in the last 3 days. The average price is $47.