Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Medan (48% of total searches to Sumatra). The next most popular destinations are Pekanbaru (29%) and Bandar Lampung (13%). Searches for hotels in Padang (10%) are also popular.
KAYAK users have found double rooms in Sumatra for as cheap as $9 (Medan) in the last 3 days. The average price is $57.
In the last 72 hours, users have found Sumatra hotels for tonight for as low as $11 (Bukittinggi). Users have also found 3-star hotels from $11 (Padang) and 4-star+ hotels from $15 (Palembang).