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

Return flights

02 Dec - 19 Dec	Iberia
02 Dec - 13 Dec	Wizz Air UK
01 Dec - 09 Dec	easyJet
01 Dec - 22 Jan	Wizz Air
10 Dec - 15 Dec	easyJet
07 Dec - 22 Dec	Volotea
15 Dec - 24 Dec	LOT
15 Dec - 22 Dec	LOT
01 Dec - 20 Dec	easyJet
04 Dec - 07 Dec	KLM
03 Dec - 09 Jan	easyJet
24 Dec - 17 Jan	Wizz Air
22 Dec - 31 Dec	LOT
09 Dec - 07 Jan	Wizz Air UK
16 Dec - 06 Jan	easyJet
02 Dec - 01 Jan	Iberia
17 Dec - 07 Jan	Wizz Air
16 Dec - 05 Jan	easyJet
15 Dec - 05 Jan	Vueling Airlines
16 Dec - 07 Jan	Turkish Airlines

Also check the deals for one-way flights from Lyon 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 Lyon to Seoul in December from 495€

Return flights