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

Return flights

21 Oct - 04 Nov	LOT
21 Oct - 31 Oct	LOT
06 Oct - 29 Oct	LOT
27 Oct - 11 Nov	LOT
21 Oct - 01 Nov	LOT
31 Oct - 08 Nov	Wizz Air
06 Oct - 13 Oct	LOT
21 Oct - 05 Nov	Lufthansa
01 Oct - 12 Oct	LOT
22 Oct - 27 Nov	Lufthansa
28 Oct - 11 Nov	Lufthansa
19 Oct - 03 Nov	LOT
03 Oct - 16 Oct	Lufthansa
02 Oct - 15 Oct	KLM
02 Oct - 16 Oct	Air France
03 Oct - 24 Oct	Lufthansa
02 Oct - 14 Oct	Lufthansa
20 Oct - 02 Nov	Volotea
19 Oct - 25 Oct	easyJet
23 Oct - 18 Nov	Lufthansa

Also check the deals for one-way flights from Lyon to Seoul in October.

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 October from 551€

Return flights