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

Return flights

20 May - 17 Jun	Lufthansa
12 May - 30 May	Finnair
12 May - 23 May	Finnair
05 May - 16 May	Finnair
04 May - 17 May	Finnair
06 May - 23 May	Finnair
06 May - 16 May	Finnair
14 May - 23 May	Finnair
07 May - 20 May	Finnair
13 May - 21 May	Finnair
01 May - 16 May	Finnair
23 May - 06 Jun	KLM
24 May - 14 Jun	Etihad Airways
20 May - 17 Jun	LOT	direct
24 May - 14 Jun	LOT	direct

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

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 May from 602€

Return flights