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

Return flights

02 Dec - 08 Dec	China Southern
02 Dec - 09 Dec	Qantas
03 Dec - 29 Jan	Jetstar
02 Dec - 23 Dec	China Southern
03 Dec - 23 Dec	China Southern
10 Dec - 29 Jan	Jetstar
05 Dec - 08 Dec	Qantas
05 Dec - 12 Dec	Jetstar
10 Dec - 30 Dec	Jetstar
18 Dec - 21 Dec	China Southern
15 Dec - 22 Dec	China Southern
15 Dec - 21 Dec	China Southern
30 Dec - 26 Jan	China Southern
03 Dec - 07 Jan	Air New Zealand
05 Dec - 07 Jan	Qantas
13 Dec - 18 Jan	Qantas
05 Dec - 01 Jan	China Southern
10 Dec - 15 Jan	Jetstar
05 Dec - 13 Jan	Qantas
06 Dec - 20 Jan	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 847€

Return flights