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

Return flights

10 Sep - 18 Sep	Air China
02 Sep - 09 Sep	Asiana Airlines
12 Sep - 21 Sep	Air China
19 Sep - 25 Sep	Air China
01 Sep - 09 Sep	Asiana Airlines
18 Sep - 16 Oct	Japan Airlines
26 Sep - 14 Oct	Japan Airlines
21 Sep - 15 Oct	Japan Airlines
22 Sep - 16 Oct	Japan Airlines
26 Sep - 30 Sep	Japan Airlines
07 Sep - 23 Sep	Japan Airlines
07 Sep - 25 Sep	Japan Airlines
14 Sep - 23 Sep	Japan Airlines
05 Sep - 14 Sep	Japan Airlines
27 Sep - 05 Oct	ANA
23 Sep - 14 Oct	ANA
28 Sep - 07 Oct	ANA
28 Sep - 13 Oct	ANA
28 Sep - 06 Oct	ANA
15 Sep - 13 Oct	ANA

Also check the deals for one-way flights from Seoul 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 Seoul to Auckland in September from $615

Return flights