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

Return flights

14 Oct - 22 Oct	Air China
24 Oct - 30 Oct	Air China
24 Oct - 31 Oct	Air China
14 Oct - 29 Oct	Air China
24 Oct - 04 Nov	Air China
03 Oct - 17 Oct	Lufthansa
03 Oct - 20 Oct	Lufthansa
03 Oct - 18 Oct	Lufthansa
24 Oct - 02 Nov	Ryanair
23 Oct - 26 Oct	Finnair
01 Oct - 14 Oct	Finnair
04 Oct - 11 Oct	Finnair
22 Oct - 02 Nov	Finnair
26 Oct - 01 Nov	LOT
25 Oct - 01 Nov	LOT
24 Oct - 01 Nov	LOT
29 Oct - 01 Nov	LOT

Also check the deals for one-way flights from Stockholm to Seoul in October.

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 October from $533

Return flights