Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Strasbourg (45% of total searches to Alsace). The next most popular destinations are Basel (39%) and Colmar (12%). Searches for hotels in Mulhouse (4%) are also popular.
KAYAK users have found double rooms in Alsace for as cheap as £22 (Colmar) in the last 3 days. The average price is £108.