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

Return flights

20 Sep - 24 Sep	Air China
22 Sep - 26 Sep	Air China
11 Sep - 25 Sep	Air China
10 Sep - 17 Sep	Air China
12 Sep - 20 Sep	Air China
15 Sep - 23 Sep	Air China
16 Sep - 23 Sep	Air China
19 Sep - 27 Sep	Air China
09 Sep - 15 Sep	Air China
20 Sep - 27 Sep	Air China
21 Sep - 21 Oct	Air China
25 Sep - 02 Oct	Air China
26 Sep - 04 Oct	Air China
27 Sep - 04 Oct	Thai Airways
27 Sep - 06 Oct	Thai Airways
30 Sep - 12 Oct	Thai Airways
28 Sep - 12 Oct	Thai Airways
29 Sep - 14 Oct	KLM
30 Sep - 06 Oct	Air France

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

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 Stockholm in September from $568

Return flights