AeroMexico has select roundtrip flights to Brazil on sale for as low as $707.93, as provided by ShermansTravel. (Click on AeroMexico in the top line to see this sale.) That's the lowest price we could find for select routes by $130. This price is valid on flights departing from Miami, FL, (MIA) with arrival in Rio de Janiero, Brazil, (GRU) on April 1 with return on April 8. Book this travel deal by March 31 for travel through May 31. Click here to see more routes.