Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Frankfurt am Main (91% of total searches to Frankfurt-Rhine-Main). The next most popular destinations are Mainz (4%) and Offenbach am Main (3%). Searches for hotels in Bad Homburg (2%) are also popular.
KAYAK users have found double rooms in Frankfurt-Rhine-Main for as cheap as $96 (Offenbach am Main) in the last 3 days. The average price is $260.