Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Füssen (40% of total searches to Romantische Strasse). The next most popular destinations are Rothenburg ob der Tauber (36%) and Wurzburg (13%). Searches for hotels in Augsburg (11%) are also popular.
KAYAK users have found double rooms in Romantische Strasse for as cheap as $120 (Füssen) in the last 3 days. The average price is $442.