Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Füssen (36% of total searches to Romantische Strasse). The next most popular destinations are Rothenburg ob der Tauber (27%) and Wurzburg (19%). Searches for hotels in Augsburg (17%) are also popular.
KAYAK users have found double rooms in Romantische Strasse for as cheap as $42 (Nördlingen) in the last 3 days. The average price is $124.