Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Foz do Iguaçu (68% of total searches to Paraná). The next most popular destinations are Curitiba (23%) and Londrina (5%). Searches for hotels in Maringá (3%) are also popular.
KAYAK users have found double rooms in Paraná for as cheap as $17 (Maringá) in the last 3 days. The average price is $86.