Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Evora (61% of total searches to Alentejo). The next most popular destinations are Vila Nova de Milfontes (19%) and Aljezur (13%). Searches for hotels in Comporta (6%) are also popular.
KAYAK users have found double rooms in Alentejo for as cheap as $39 (Zambujeira do Mar) in the last 3 days. The average price is $318.