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

Return flights

04 Dec - 10 Dec	Lufthansa
02 Dec - 14 Dec	Lufthansa
01 Dec - 14 Dec	Lufthansa
08 Dec - 22 Dec	Lufthansa
03 Dec - 13 Dec	Lufthansa
01 Dec - 15 Dec	Lufthansa
02 Dec - 09 Dec	Lufthansa
01 Dec - 07 Dec	Lufthansa
01 Dec - 09 Dec	Lufthansa
03 Dec - 09 Dec	Lufthansa
02 Dec - 06 Jan	Lufthansa
29 Dec - 11 Jan	Lufthansa
29 Dec - 12 Jan	Lufthansa
01 Dec - 05 Jan	Lufthansa
24 Dec - 12 Jan	Lufthansa
24 Dec - 11 Jan	Lufthansa
24 Dec - 18 Jan	Lufthansa
27 Dec - 06 Jan	Air China
24 Dec - 15 Jan	Finnair
21 Dec - 04 Jan	Lufthansa

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

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 December from $684

Return flights