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

Return flights

05 Oct - 21 Oct	Lufthansa
26 Oct - 03 Nov	Ryanair
02 Oct - 13 Oct	Ryanair
26 Oct - 02 Nov	Ryanair
27 Oct - 03 Nov	Ryanair
27 Oct - 20 Nov	Ryanair
27 Oct - 02 Nov	Ryanair
02 Oct - 16 Oct	Ryanair
25 Oct - 02 Nov	easyJet
05 Oct - 20 Oct	Lufthansa
27 Oct - 30 Nov	Ryanair
21 Oct - 25 Oct	Ryanair
29 Oct - 08 Nov	Ryanair
01 Oct - 15 Oct	Ryanair
21 Oct - 26 Oct	Ryanair
20 Oct - 27 Oct	Ryanair
02 Oct - 15 Oct	Lufthansa
21 Oct - 27 Oct	Ryanair
19 Oct - 02 Nov	Volotea
27 Oct - 04 Nov	Ryanair

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 $699

Return flights