Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Alicante (60% of total searches to Costa Blanca). The next most popular destinations are Benidorm (32%) and Torrevieja (6%). Searches for hotels in el Campello (3%) are also popular.
KAYAK users have found double rooms in Costa Blanca for as cheap as €20 (Sant Vicent del Raspeig) in the last 3 days. The average price is €180.