Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Kolkata (87% of total searches to West Bengal). The next most popular destinations are Darjeeling (10%) and Siliguri (3%). Searches for hotels in Digha (1%) are also popular.
KAYAK users have found double rooms in West Bengal for as cheap as $6 (Darjeeling) in the last 3 days. The average price is $50.