Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Reykjavik (96% of total searches to Golden Circle). The next most popular destinations are Selfoss (2%) and Reykholt (1%). Searches for hotels in Hafnarfjordur (1%) are also popular.
KAYAK users have found double rooms in Golden Circle for as cheap as $45 (Reykjavik) in the last 3 days. The average price is $372.