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

Return flights

13 Aug - 20 Aug	Aircalin	direct
06 Aug - 12 Aug	Aircalin	direct
17 Aug - 24 Aug	Qantas	direct
03 Aug - 24 Aug	Qantas	direct
13 Aug - 17 Aug	Qantas	direct
09 Aug - 16 Aug	Aircalin	direct
02 Aug - 03 Aug	Qantas	direct
30 Aug - 10 Sep	Qantas	direct
13 Aug - 16 Aug	Qantas	direct
03 Aug - 29 Aug	Qantas	direct
15 Aug - 23 Aug	Aircalin	direct
27 Aug - 02 Sep	Qantas	direct
29 Aug - 07 Sep	Aircalin	direct
29 Aug - 13 Sep	Aircalin	direct
28 Aug - 06 Sep	Qantas

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 303€

Return flights