Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Hannover (72% of total searches to Lower Saxony). The next most popular destinations are Braunschweig (10%) and Osnabrück (10%). Searches for hotels in Wolfsburg (8%) are also popular.
KAYAK users have found double rooms in Lower Saxony for as cheap as £61 (Bad Zwischenahn) in the last 3 days. The average price is £134.