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

Return flights

05 May - 16 May	Finnair
12 May - 23 May	Finnair
14 May - 25 May	Finnair
04 May - 17 May	Finnair
11 May - 25 May	Finnair
20 May - 28 May	Lufthansa
02 May - 09 May	Finnair
08 May - 31 May	Finnair
01 May - 16 May	Finnair
09 May - 01 Jun	Finnair
14 May - 25 May	LOT	direct
09 May - 01 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 $738

Return flights