Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Augsburg (42% of total searches to Romantische Strasse). The next most popular destinations are Schwangau (42%) and Landsberg am Lech (8%). Searches for hotels in Füssen (8%) are also popular.
KAYAK users have found double rooms in Romantische Strasse for as cheap as RM 637 (Rothenburg ob der Tauber) in the last 3 days. The average price is RM 799.