Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Rio de Janeiro (82% of total searches to Southeast Brazil). The next most popular destinations are Sao Paulo (10%) and Búzios (4%). Searches for hotels in Guarulhos (3%) are also popular.
KAYAK users have found double rooms in Southeast Brazil for as cheap as $9 (Ubatuba) in the last 3 days. The average price is $158.