The winning bidder will need to invest $1.5bn at Brasília over 25 years, $2.5bn at Guarulhos over 20 years, and $4.7bn at Viracopos over 30 years.
Fraport, Germany's transport services company and current operator of Frankfurt's International Airport, has already signed a memorandum of understanding with infrastructure group EcoRodovias to enter the competition. GMR is also rumoured to be interested in bidding for the privatisation deal.
Brazil's national airport authority Infraero will maintain 49% stakes in the airports to assist in their management.