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

Return flights

21 Aug - 16 Sep	Alaska Airlines
28 Aug - 17 Sep	Alaska Airlines
19 Aug - 27 Aug	Alaska Airlines
21 Aug - 04 Sep	Frontier Airlines
29 Aug - 01 Sep	Frontier Airlines
21 Aug - 19 Sep	Spirit Airlines
21 Aug - 20 Sep	jetBlue
16 Aug - 23 Aug	Spirit Airlines
21 Aug - 03 Sep	Spirit Airlines
07 Aug - 21 Aug	Spirit Airlines
25 Aug - 08 Sep	jetBlue
25 Aug - 15 Sep	Qantas
23 Aug - 15 Sep	Qantas
16 Aug - 23 Aug	Air New Zealand	direct
17 Aug - 24 Aug	United
17 Aug - 24 Aug	Qantas	direct

Also check the deals for one-way flights from New York to Auckland 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 Auckland in August from $1022

Return flights