AirHint found the following cheapest return flights from Sydney (SYD) to Noumea (NOU) in September 2025 (see full year).

Return flights

06 Sep - 09 Sep	Aircalin	direct
10 Sep - 13 Sep	Aircalin	direct
10 Sep - 21 Sep	Aircalin	direct
19 Sep - 23 Sep	Aircalin	direct
16 Sep - 20 Sep	Aircalin	direct
03 Sep - 10 Sep	Qantas	direct
13 Sep - 20 Sep	Qantas	direct
06 Sep - 21 Sep	Qantas	direct
19 Sep - 03 Oct	Aircalin	direct
19 Sep - 30 Sep	Aircalin	direct
05 Sep - 10 Sep	Qantas	direct
30 Sep - 07 Oct	Aircalin	direct
26 Sep - 05 Oct	Qantas	direct
30 Sep - 05 Oct	Qantas
18 Sep - 04 Oct	Qantas
29 Sep - 06 Oct	Jetstar

Also check the deals for one-way flights from Sydney to Noumea 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.

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Cheapest return flights from Sydney to Noumea in September from 303€

Return flights