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

Return flights

02 Dec - 16 Dec	Jetstar
02 Dec - 22 Jan	Jetstar
08 Dec - 21 Dec	China Southern
08 Dec - 15 Dec	China Southern
08 Dec - 30 Jan	Air New Zealand
02 Dec - 27 Jan	Jetstar
06 Dec - 20 Dec	China Airlines
09 Dec - 22 Jan	Jetstar
09 Dec - 20 Jan	Jetstar
08 Dec - 29 Jan	Jetstar
20 Dec - 29 Jan	Air China
11 Dec - 15 Jan	Jetstar
06 Dec - 21 Dec	China Southern
11 Dec - 26 Dec	China Airlines
11 Dec - 08 Jan	Jetstar
09 Dec - 10 Jan	Jetstar
02 Dec - 16 Dec	Korean Air	direct
16 Dec - 30 Dec	Jetstar
17 Dec - 31 Dec	China Southern
20 Dec - 27 Dec	Jetstar

Also check the deals for one-way flights from Auckland to Seoul 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 Auckland to Seoul in December from 751€

Return flights