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

Return flights

30 Aug - 07 Sep	Air China
30 Aug - 14 Sep	Air China
27 Aug - 07 Sep	Finnair
28 Aug - 07 Sep	Finnair
20 Aug - 09 Sep	Finnair
25 Aug - 08 Sep	Finnair
28 Aug - 08 Sep	Finnair
25 Aug - 04 Sep	Air China
23 Aug - 09 Sep	KLM
20 Aug - 03 Sep	Finnair
21 Aug - 28 Aug	Wizz Air
14 Aug - 30 Aug	Wizz Air
19 Aug - 28 Aug	Wizz Air
17 Aug - 28 Aug	Wizz Air
13 Aug - 18 Aug	Ryanair
25 Aug - 31 Aug	Lufthansa
21 Aug - 29 Aug	Etihad Airways
25 Aug - 29 Aug	Wizz Air
17 Aug - 29 Aug	Wizz Air
05 Aug - 13 Aug	Etihad Airways

Also check the deals for one-way flights from Warsaw to Seoul in August.

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 August from $735

Return flights