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

Return flights

29 Dec - 06 Jan	Lufthansa
30 Dec - 06 Jan	Lufthansa
31 Dec - 07 Jan	Etihad Airways
28 Dec - 10 Jan	KLM
28 Dec - 08 Jan	KLM
28 Dec - 07 Jan	KLM
29 Dec - 08 Jan	Air France
31 Dec - 15 Jan	Air France
26 Dec - 07 Jan	Lufthansa
27 Dec - 10 Jan	Etihad Airways
27 Dec - 31 Dec	KLM
24 Dec - 31 Dec	KLM
24 Dec - 29 Dec	Air France
24 Dec - 28 Dec	Air France
23 Dec - 30 Dec	Finnair
27 Dec - 30 Dec	KLM
22 Dec - 25 Dec	Air France
29 Dec - 31 Dec	Emirates
27 Dec - 30 Dec	LOT	direct
23 Dec - 30 Dec	LOT	direct

Also check the deals for one-way flights from Seoul to Warsaw 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 Seoul to Warsaw in December from 459€

Return flights