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

Return flights

04 Sep - 12 Sep	Air China
01 Sep - 08 Sep	Air China
01 Sep - 04 Sep	Air China
18 Sep - 23 Sep	Air China
11 Sep - 17 Sep	Air China
08 Sep - 16 Sep	Air China
01 Sep - 05 Sep	Air China
01 Sep - 07 Sep	Air China
01 Sep - 22 Oct	Air China
07 Sep - 12 Sep	Air China
06 Sep - 13 Sep	Air China
18 Sep - 01 Oct	Air China
26 Sep - 13 Oct	Ethiopian Airlines
26 Sep - 12 Oct	Thai Airways
25 Sep - 12 Oct	Thai Airways
28 Sep - 10 Oct	Ethiopian Airlines
28 Sep - 05 Oct	Lufthansa
28 Sep - 09 Oct	Lufthansa

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 486€

Return flights