Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Gramado (67% of total searches to Rio Grande do Sul). The next most popular destination is Porto Alegre (33%).
KAYAK users have found double rooms in Rio Grande do Sul for as cheap as 56 ﷼ (Porto Alegre) in the last 3 days. The average price is 297 ﷼.