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

Return flights

14 Oct - 21 Oct	Ryanair
03 Oct - 13 Oct	Austrian Airlines
05 Oct - 18 Oct	Ryanair
01 Oct - 30 Nov	Lufthansa
23 Oct - 08 Nov	Brussels Airlines
28 Oct - 03 Nov	Ryanair
13 Oct - 24 Oct	Ryanair
01 Oct - 19 Oct	Ryanair
26 Oct - 09 Nov	Lufthansa
05 Oct - 21 Oct	Lufthansa
06 Oct - 25 Oct	Lufthansa
20 Oct - 03 Nov	Ryanair
06 Oct - 13 Oct	Lufthansa
14 Oct - 31 Oct	Ryanair
20 Oct - 31 Oct	Ryanair
24 Oct - 01 Nov	easyJet
15 Oct - 01 Nov	Ryanair
18 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 $828

Return flights