Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Gramado (74% of total searches to Rio Grande do Sul). The next most popular destinations are Pelotas (17%) and Porto Alegre (4%). Searches for hotels in Caxias do Sul (4%) are also popular.
KAYAK users have found double rooms in Rio Grande do Sul for as cheap as $12 (Caxias do Sul) in the last 3 days. The average price is $97.