Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Basel (94% of total searches to Aargau / Basel region). The next most popular destinations are Lenzburg (2%) and Weil am Rhein (2%). Searches for hotels in Bremgarten (1%) are also popular.
KAYAK users have found double rooms in Aargau / Basel region for as cheap as $112 (Basel) in the last 3 days. The average price is $345.