Aviasales.com compares prices for airline tickets to Papua New Guinea with 728 airlines from all over the world. We do not sell airline tickets ourselves, but you can use our service to find the lowest prices and special offers with no additional fees or mark-ups. Find the cheapest flights to Papua New Guinea with Aviasales.com. The population of Papua New Guinea is 6,064,000. The official currency is Pgk (PGK).