Cheapest return flights from New York to Sydney in September from $1036

Best time to book flights for New York (NYC) to Sydney (SYD) flights at AirHint

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

Return flights

04 Sep - 11 Sep Flair Airlines
03 Sep - 09 Sep jetBlue
03 Sep - 16 Sep Alaska Airlines
03 Sep - 15 Sep Spirit Airlines
30 Sep - 07 Oct Flair Airlines
22 Sep - 15 Oct ANA
27 Sep - 07 Oct Air Canada
09 Sep - 30 Sep Air Canada
02 Sep - 17 Sep Air Canada
22 Sep - 28 Sep Qantas
10 Sep - 12 Sep 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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