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

Return flights

01 Oct - 29 Oct	LOT
01 Oct - 14 Oct	LOT
01 Oct - 22 Oct	LOT
01 Oct - 12 Oct	LOT
06 Oct - 20 Oct	LOT
02 Oct - 22 Oct	Lufthansa
02 Oct - 15 Oct	easyJet
30 Oct - 08 Nov	Wizz Air UK
02 Oct - 17 Oct	Lufthansa
14 Oct - 21 Oct	Lufthansa
20 Oct - 25 Oct	LOT
01 Oct - 02 Nov	LOT
27 Oct - 02 Nov	LOT
20 Oct - 10 Nov	LOT
24 Oct - 01 Nov	LOT
28 Oct - 05 Nov	easyJet
23 Oct - 10 Nov	Lufthansa
02 Oct - 02 Nov	easyJet
20 Oct - 02 Nov	British Airways
23 Oct - 03 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 536€

Return flights