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

Return flights

05 Oct - 13 Oct	Lufthansa
01 Oct - 22 Oct	Lufthansa
03 Oct - 13 Oct	Lufthansa
03 Oct - 17 Oct	Lufthansa
01 Oct - 30 Nov	Lufthansa
02 Oct - 15 Oct	Lufthansa
23 Oct - 04 Nov	Lufthansa
05 Oct - 09 Nov	Lufthansa
26 Oct - 08 Nov	Ryanair
25 Oct - 08 Nov	Lufthansa
20 Oct - 30 Oct	Lufthansa
20 Oct - 31 Oct	Lufthansa
21 Oct - 31 Oct	Lufthansa
02 Oct - 12 Oct	Ryanair
06 Oct - 13 Oct	Lufthansa
20 Oct - 02 Nov	Lufthansa
23 Oct - 01 Nov	Lufthansa
14 Oct - 15 Nov	Lufthansa
20 Oct - 01 Nov	Lufthansa

Also check the deals for one-way flights from Marseille 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 Marseille to Seoul in October from 552€

Return flights