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

Return flights

10 Sep - 01 Oct	Spirit Airlines
23 Sep - 30 Sep	Hawaiian Airlines
17 Sep - 24 Sep	jetBlue
06 Sep - 09 Sep	Alaska Airlines
03 Sep - 17 Sep	Hawaiian Airlines
05 Sep - 08 Sep	Hawaiian Airlines
03 Sep - 08 Oct	Hawaiian Airlines
11 Sep - 18 Sep	Hawaiian Airlines
05 Sep - 27 Sep	Alaska Airlines
01 Sep - 15 Sep	Asiana Airlines
15 Sep - 22 Sep	Asiana Airlines
24 Sep - 01 Oct	Alaska Airlines
12 Sep - 19 Sep	jetBlue
01 Sep - 31 Oct	Cathay Pacific
03 Sep - 30 Oct	Cathay Pacific
02 Sep - 29 Oct	Cathay Pacific
24 Sep - 01 Oct	Qantas	direct
10 Sep - 01 Oct	Qantas	direct
27 Sep - 10 Oct	Alaska Airlines
03 Sep - 08 Oct	Qantas	direct

Also check the deals for one-way flights from New York to Auckland 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 Auckland in September from $1187

Return flights