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

Return flights

10 Dec - 14 Jan	Air China
15 Dec - 15 Jan	Air China
01 Dec - 29 Dec	China Eastern
27 Dec - 30 Jan	Air China
27 Dec - 18 Jan	Air China
29 Dec - 06 Jan	Air China
25 Dec - 30 Dec	Air China
24 Dec - 30 Dec	Air China
25 Dec - 24 Jan	Air China
27 Dec - 04 Jan	Air China
25 Dec - 18 Jan	Air China
26 Dec - 18 Jan	Air China
26 Dec - 04 Jan	Air China
18 Dec - 26 Dec	Air China
11 Dec - 16 Dec	Air China
11 Dec - 21 Dec	Air China
01 Dec - 16 Dec	Air China
26 Dec - 28 Dec	Air China
01 Dec - 12 Dec	Air China
01 Dec - 08 Dec	Japan Airlines

Also check the deals for one-way flights from Seoul to Auckland in December.

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 December from $768

Return flights