AirHint found the following cheapest return flights from San Francisco (SFO) to Auckland (AKL) in September 2025 (see full year).

Return flights

09 Sep - 29 Sep	Cathay Pacific
10 Sep - 19 Sep	Fiji Airways
10 Sep - 24 Sep	Fiji Airways
07 Sep - 14 Sep	Fiji Airways
10 Sep - 29 Sep	Fiji Airways
11 Sep - 29 Sep	Cathay Pacific
13 Sep - 29 Sep	Cathay Pacific
14 Sep - 29 Sep	Cathay Pacific
14 Sep - 21 Sep	Fiji Airways
12 Sep - 29 Sep	Cathay Pacific
26 Sep - 17 Oct	Air Tahiti Nui
30 Sep - 10 Oct	Air Tahiti Nui
27 Sep - 07 Oct	Alaska Airlines
26 Sep - 04 Oct	Alaska Airlines
27 Sep - 07 Oct	Air New Zealand	direct

Also check the deals for one-way flights from San Francisco 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 San Francisco to Auckland in September from $999

Return flights