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

Return flights

04 Sep - 11 Sep	China Eastern
04 Sep - 09 Sep	Jetstar
06 Sep - 18 Sep	China Airlines
09 Sep - 14 Sep	Jetstar
06 Sep - 11 Sep	Jetstar
30 Sep - 30 Oct	Jetstar
07 Sep - 24 Sep	China Airlines
10 Sep - 17 Sep	Cathay Pacific
09 Sep - 16 Sep	Jetstar
26 Sep - 11 Oct	China Airlines
02 Sep - 07 Sep	Cathay Pacific
01 Sep - 17 Sep	Cathay Pacific
26 Sep - 23 Oct	China Airlines
23 Sep - 14 Oct	Jetstar
29 Sep - 27 Oct	Cathay Pacific
12 Sep - 24 Oct	China Airlines
12 Sep - 25 Oct	China Airlines
18 Sep - 11 Oct	Jetstar
24 Sep - 09 Oct	Jetstar
29 Sep - 27 Oct	Korean Air	direct

Also check the deals for one-way flights from Auckland to Seoul 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 Auckland to Seoul in September from 556€

Return flights