Air Niugini Limited is the flag carrier of Papua New Guinea, based in Air Niugini House on the site of 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, which is located in 7 Mile, Port Moresby, Papua New Guinea. Niugini is the Tok Pisin word for New Guinea.

Port Moresby International Airport, also known as Jacksons International Airport, is an international airport located eight kilometres outside Port Moresby in Papua New Guinea. It is the largest and busiest airport in Papua New Guinea, with an estimated 1.4 million passengers using the airport in 2015, and is the main hub for Air Niugini, the national airline of Papua New Guinea. The airport serves as the main hub for PNG Air and Travel Air. It replaced the original Port Moresby airport, in what is now the suburb of Waigani, whose airstrip remained until the 1990s but no trace of which remains, having been built over.