Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Cajueiro da Praia (64% of total searches to Piauí). The next most popular destination is Teresina (36%).
KAYAK users have found double rooms in Piauí for as cheap as C$ 17 (Teresina) in the last 3 days. The average price is C$ 69.