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

Return flights

03 Oct - 13 Oct	China Eastern
05 Oct - 20 Oct	Lufthansa
04 Oct - 20 Oct	Lufthansa
28 Oct - 14 Nov	Lufthansa
31 Oct - 07 Nov	Ryanair
19 Oct - 26 Oct	Ryanair
29 Oct - 24 Nov	Volotea
17 Oct - 01 Nov	Ryanair
28 Oct - 08 Nov	Ryanair
31 Oct - 11 Nov	Ryanair
25 Oct - 02 Nov	easyJet
22 Oct - 28 Oct	Ryanair
23 Oct - 06 Nov	Ryanair
20 Oct - 10 Nov	Ryanair
05 Oct - 21 Oct	Lufthansa
06 Oct - 13 Oct	Lufthansa
06 Oct - 21 Oct	Lufthansa
03 Oct - 19 Oct	Lufthansa
20 Oct - 03 Nov	Ryanair
21 Oct - 29 Oct	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 506€

Return flights