Children between 5 and 11 years of age can travel unaccompanied on Azul flights within Brazil. A fee of R$ 200,00 (two hundred Reais) or U$ 70.00 (seventy Dollars) will be charged for this service, in addition to the full price of the ticket.
However, children between 0 and 5 years of age cannot travel unaccompanied on Azul.
See what the rules are for unaccompanied minors*:
Available only at Azul Center: 11 4003-1118.
*In compliance with the Statute of Children and Adolescents, section 3, article 83, paragraphs 1 and 2.
No problem, you can include more pounds at the airport during check-in. But attention, if the weight of checked baggage exceeds 23kg will be charged the excess of luggage.