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

Return flights

05 Sep - 12 Sep	Air China
05 Sep - 15 Sep	Air China
11 Sep - 17 Sep	Air China
05 Sep - 08 Sep	Air China
11 Sep - 19 Sep	Air China
18 Sep - 27 Sep	Air China
09 Sep - 17 Sep	Air China
07 Sep - 01 Oct	Air China
14 Sep - 17 Sep	Air China
21 Sep - 24 Sep	Air China
15 Sep - 19 Sep	Scandinavian Airlines
24 Sep - 02 Oct	Scandinavian Airlines
02 Sep - 01 Oct	Emirates
07 Sep - 04 Oct	Air China
25 Sep - 05 Oct	Lufthansa
07 Sep - 01 Oct	LOT	direct
27 Sep - 19 Oct	Asiana Airlines
24 Sep - 02 Oct	LOT	direct
30 Sep - 13 Oct	Etihad Airways
26 Sep - 05 Oct	Scandinavian Airlines

Also check the deals for one-way flights from Seoul to Warsaw 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 Warsaw in September from 506€

Return flights