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

Return flights

02 Dec - 17 Dec	Lufthansa
03 Dec - 17 Dec	easyJet
02 Dec - 19 Dec	Wizz Air UK
09 Dec - 07 Jan	Wizz Air Malta
12 Dec - 29 Dec	LOT
12 Dec - 28 Dec	Air France
02 Dec - 08 Dec	Turkish Airlines
15 Dec - 25 Dec	easyJet
30 Dec - 06 Jan	Air France
22 Dec - 28 Dec	LOT
18 Dec - 31 Dec	Volotea
21 Dec - 03 Jan	LOT
22 Dec - 01 Jan	Air France
20 Dec - 04 Jan	easyJet
19 Dec - 04 Jan	Volotea
20 Dec - 03 Jan	Air France
19 Dec - 03 Jan	Vueling 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 $645

Return flights