Cheapest return flights from New York to Sydney in September from $951

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

Return flights

24 Sep - 05 Oct Frontier Airlines
03 Sep - 14 Sep ANA
03 Sep - 16 Sep ANA
10 Sep - 23 Sep American Airlines
24 Sep - 13 Oct American Airlines
08 Sep - 15 Sep jetBlue
01 Sep - 08 Sep ANA
10 Sep - 22 Sep jetBlue
16 Sep - 25 Sep jetBlue
10 Sep - 24 Sep Qantas
05 Sep - 13 Sep jetBlue
08 Sep - 19 Sep ANA
25 Sep - 06 Oct Air Canada
30 Sep - 15 Oct Delta

Also check the deals for one-way flights from New York to Sydney in September.

Skyscanner

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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