AirHint found the following cheapest return flights from Warsaw (WAW) to Seoul (ICN) in September 2026 (see full year).

Return flights

01 Sep - 29 Sep	Finnair
15 Sep - 29 Sep	Finnair
08 Sep - 29 Sep	Finnair
22 Sep - 29 Sep	Finnair
06 Sep - 15 Sep	Finnair
22 Sep - 08 Oct	Finnair
22 Sep - 05 Oct	Finnair
20 Sep - 05 Oct	Finnair
22 Sep - 06 Oct	Finnair
20 Sep - 07 Oct	Finnair
01 Sep - 08 Sep	Finnair
18 Sep - 07 Oct	SWISS
01 Sep - 09 Sep	Air China
20 Sep - 18 Oct	Air China
21 Sep - 07 Oct	Lufthansa
07 Sep - 16 Sep	Wizz Air Malta
07 Sep - 12 Sep	Wizz Air Malta
02 Sep - 17 Sep	Wizz Air
21 Sep - 06 Oct	Finnair
21 Sep - 04 Oct	Finnair

Also check the deals for one-way flights from Warsaw 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 Warsaw to Seoul in September from 653€

Return flights