Air Niugini Air Niugini Limited is the flag carrier of Papua New Guinea, based in Port Moresby International Airport, Port Moresby. It operates a domestic network from Port Moresby to 12 major airports while its subsidiary company, Link PNG, operates routes to minor airports. It also operates international services in Asia, Oceania, and Australia on a weekly basis. Its main base is Port Moresby International Airport, From – Wikipedia