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

Return flights

13 Apr - 21 Apr	Lufthansa
29 Apr - 06 May	Lufthansa
13 Apr - 22 Apr	Finnair
07 Apr - 21 Apr	Finnair
28 Apr - 17 May	Finnair
27 Apr - 10 May	Finnair
06 Apr - 13 Apr	Lufthansa
20 Apr - 05 May	Finnair
24 Apr - 02 May	Scandinavian Airlines
24 Apr - 01 May	Scandinavian Airlines
30 Apr - 09 May	Scandinavian Airlines
30 Apr - 06 May	Scandinavian Airlines
25 Apr - 07 May	KLM
06 Apr - 20 Apr	Finnair
07 Apr - 20 Apr	Finnair
12 Apr - 21 Apr	Finnair
22 Apr - 30 Apr	Lufthansa
20 Apr - 04 May	Lufthansa
05 Apr - 19 Apr	Finnair
07 Apr - 24 Apr	Lufthansa

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

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 April from $758

Return flights