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

Return flights

16 Aug - 24 Aug	Qantas	direct
31 Aug - 03 Sep	Qantas	direct
17 Aug - 23 Aug	Qantas	direct
27 Aug - 29 Aug	Qantas	direct
27 Aug - 05 Sep	Qantas	direct
17 Aug - 20 Aug	Qantas	direct
26 Aug - 30 Aug	Qantas	direct
20 Aug - 27 Aug	Qantas	direct
29 Aug - 03 Sep	Qantas	direct
22 Aug - 29 Aug	Aircalin	direct
22 Aug - 24 Aug	Aircalin	direct
22 Aug - 25 Aug	Aircalin

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

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 August from 417€

Return flights