Cheapest return flights from Cairns to Port Moresby in September from 358€
AirHint found the following cheapest return flights from Cairns (CNS) to Port Moresby (POM) in September 2025 (see full year).
Return flights
| 12 Sep - 24 Sep | Air Niugini | direct | |
| 13 Sep - 23 Sep | Air Niugini | direct |
Also check the deals for one-way flights from Cairns to Port Moresby in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
