Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Weymouth (41% of total searches to Jurassic Coast). The next most popular destinations are Seaton (31%) and Dorchester (17%). Searches for hotels in Swanage (10%) are also popular.
KAYAK users have found double rooms in Jurassic Coast for as cheap as $93 (Weymouth) in the last 3 days. The average price is $334.