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

Return flights

02 Dec - 13 Dec	Lufthansa
02 Dec - 09 Dec	Air China
07 Dec - 01 Jan	Lufthansa
01 Dec - 17 Jan	Lufthansa
05 Dec - 01 Jan	Lufthansa
14 Dec - 16 Jan	Lufthansa
16 Dec - 08 Jan	Lufthansa
14 Dec - 08 Jan	Lufthansa
30 Dec - 08 Jan	Finnair
30 Dec - 07 Jan	Finnair
29 Dec - 09 Jan	Lufthansa
29 Dec - 06 Jan	Finnair

Also check the deals for one-way flights from Stockholm 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 Stockholm to Seoul in December from 501€

Return flights