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

Return flights

20 Aug - 03 Sep	Hawaiian Airlines
26 Aug - 05 Sep	Hawaiian Airlines
26 Aug - 09 Sep	ANA
26 Aug - 14 Sep	ANA
26 Aug - 07 Sep	ANA
24 Aug - 07 Sep	ANA
25 Aug - 16 Sep	ANA
12 Aug - 24 Aug	American Airlines
30 Aug - 07 Sep	Frontier Airlines
23 Aug - 07 Sep	Frontier Airlines
13 Aug - 27 Aug	Hawaiian Airlines
04 Aug - 11 Aug	ANA
08 Aug - 15 Aug	Hawaiian Airlines
04 Aug - 08 Sep	ANA
05 Aug - 19 Aug	jetBlue
04 Aug - 17 Aug	Qantas
10 Aug - 25 Aug	Qantas
01 Aug - 21 Aug	jetBlue
01 Aug - 09 Aug	jetBlue
02 Aug - 16 Aug	jetBlue

Also check the deals for one-way flights from New York to Sydney 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 New York to Sydney in August from $948

Return flights