Argentina Flag Argentine Airlines Argentine Airlines is Argentina's largest airline and the country's flag carrier. As of December 2014, it was state-owned. It has its headquarters in Buenos Aires. Andes Andes is an airline based in Salta, Argentina. Andes operates regional services, as well as charter flights to tourist destinations in Argentina and Brazil. Austral Erj-190 Austral Austral is a domestic airline of Argentina, the sister company of Aerolineas Argentinas. As of April 2013, Austral operates an all-Embraer 190 fleet. LAN LAN Argentina is an affiliate of LAN Airlines and operates scheduled domestic and international services from Buenos Aires.