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

Return flights

10 Sep - 22 Sep	Philippine Airlines
24 Sep - 15 Oct	Philippine Airlines
17 Sep - 06 Oct	Philippine Airlines
17 Sep - 24 Sep	jetBlue
17 Sep - 07 Oct	Philippine Airlines
07 Sep - 16 Sep	Asiana Airlines
12 Sep - 22 Sep	jetBlue
18 Sep - 08 Oct	Asiana Airlines
13 Sep - 22 Sep	jetBlue
18 Sep - 07 Oct	Frontier Airlines
28 Sep - 10 Oct	jetBlue
14 Sep - 30 Sep	Asiana Airlines
07 Sep - 14 Sep	Cathay Pacific
12 Sep - 23 Sep	Air Canada
20 Sep - 28 Sep	Cathay Pacific
28 Sep - 23 Oct	United

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

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 Melbourne in September from $1060

Return flights