Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Vigan City (71% of total searches to Ilocos Sur). The next most popular destinations are Santiago (22%) and Bantay (5%). Searches for hotels in Candon (1%) are also popular.
KAYAK users have found double rooms in Ilocos Sur for as cheap as C$ 21 (Candon) in the last 3 days. The average price is C$ 156.