Brazil to privatize Rio's international airport Airports in Rio de Janeiro and Belo Horizonte, two host cities of the 2014 World Cup, are to be privatized at an auction on Friday. Officials said a minimum bid of 4.8 billion reais ($2.1 billion) is required for a 25-year-concession for Rio's Galeao airport, the country's second busiest, and a minimum offer of 1.09 billion reais ($490 million) is necessary for a 30-year concession for Belo Horizonte's Confins airport. Stockshots of Rio's Galeao airport.