Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular region to stay in Belgium is Brussels. West Flanders and Antwerpen are also very popular.
KAYAK users have found double rooms in Belgium for as cheap as $30 (Bruges) in the last 3 days. The average price is $194.
In the last 72 hours, users have found Belgium hotels for this weekend for as low as $39 (Charleroi) per night. Users have also found 3-star hotels from $81 (La Roche En Ardenne) and 4-star+ hotels from $102 (La Louvière).