For domestic flights within Argentina, Argentinian citizens must show:
– Adults: Valid digital National Identity Document (DNI). Valid passport. *A lost item report will not be accepted in lieu of a document when starting a trip.
-Passengers aged 75 or over on December 31, 2014 are exempt from renewing their document and can travel by showing their green cover DNI, or former ID document for men (libreta de enrolamiento) or former ID document for women (libreta cívica).
– Minors: Valid digital National Identity Document.
Babies up to one year of age require a Birth Certificate containing the minor’s DNI numbers, provided that they are accompanied by at least one of their parents, who must carry one of the aforementioned documents as proof of identity.