That’s the number of airports or airstrips listed in Papua New Guinea by airport-authority.com. The list includes everything from tiny airports with grass strips right through to Port Moresby’s Jacksons International Airport. However, estimates of the number of airports or airstrips in PNG vary, with encyclopedia.com saying there are 571 and ourairports. com claiming 589. Air Niugini flies scheduled services to 25 airports around the country, as well as to 15 international destinations.