Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Alnwick (38% of total searches to Northumberland). The next most popular destinations are Hexham (32%) and Berwick-Upon-Tweed (21%). Searches for hotels in Bamburgh (9%) are also popular.
KAYAK users have found double rooms in Northumberland for as cheap as $105 (Haltwhistle) in the last 3 days. The average price is $161.