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

Return flights

22 Sep - 07 Oct	KLM
30 Sep - 15 Oct	KLM
30 Sep - 16 Oct	KLM
10 Sep - 17 Sep	Wizz Air UK
08 Sep - 18 Sep	Ryanair
01 Sep - 10 Sep	Wizz Air Malta
10 Sep - 24 Sep	Wizz Air UK
09 Sep - 23 Sep	Scandinavian Airlines
05 Sep - 13 Sep	Ryanair
12 Sep - 20 Sep	LOT
14 Sep - 28 Sep	LOT
26 Sep - 04 Oct	Scandinavian Airlines
18 Sep - 21 Sep	Lufthansa
19 Sep - 27 Sep	Ryanair

Also check the deals for one-way flights from Poznan to Seoul 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 Poznan to Seoul in September from $767

Return flights