Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Cologne (44% of total searches to Rhine). The next most popular destinations are Strasbourg (24%) and Düsseldorf (19%). Searches for hotels in Basel (14%) are also popular.
KAYAK users have found double rooms in Rhine for as cheap as $49 (Strasbourg) in the last 3 days. The average price is $283.
In the last 72 hours, users have found Rhine hotels for tonight for as low as $44 (Cologne). Users have also found 3-star hotels from $82 (Düsseldorf) and 4-star+ hotels from $113 (Düsseldorf).