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

Return flights

30 Sep - 21 Oct	Wizz Air
30 Sep - 29 Oct	Wizz Air
23 Sep - 23 Oct	Wizz Air UK
23 Sep - 17 Oct	Wizz Air UK
25 Sep - 25 Oct	Wizz Air
02 Sep - 10 Sep	Ryanair
23 Sep - 29 Sep	Wizz Air UK
24 Sep - 10 Oct	Wizz Air
16 Sep - 29 Sep	Ryanair
27 Sep - 16 Oct	Ryanair
22 Sep - 29 Sep	Wizz Air UK
27 Sep - 09 Oct	Ryanair
13 Sep - 11 Oct	Wizz Air
25 Sep - 14 Oct	Wizz Air
13 Sep - 29 Sep	Wizz Air
09 Sep - 24 Sep	Ryanair
09 Sep - 20 Sep	Ryanair
17 Sep - 19 Sep	Wizz Air
10 Sep - 21 Sep	Wizz Air
10 Sep - 17 Sep	Ryanair

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 $613

Return flights