Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Bodh Gaya (43% of total searches to Bihar). The next most popular destinations are Patna (29%) and Gaya (14%). Searches for hotels in Bihār Sharīf (14%) are also popular.
KAYAK users have found double rooms in Bihar for as cheap as $37 (Lakhisarai) in the last 3 days. The average price is $41.