Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Weymouth (39% of total searches to Jurassic Coast). The next most popular destinations are Seaton (32%) and Dorchester (18%). Searches for hotels in Swanage (11%) are also popular.
KAYAK users have found double rooms in Jurassic Coast for as cheap as $74 (Weymouth) in the last 3 days. The average price is $366.