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

Return flights

16 Oct - 06 Nov	easyJet
16 Oct - 04 Nov	easyJet
27 Oct - 07 Nov	easyJet
20 Oct - 06 Nov	easyJet
02 Oct - 13 Oct	Etihad Airways
02 Oct - 09 Oct	Etihad Airways
23 Oct - 05 Nov	Etihad Airways
26 Oct - 05 Nov	Etihad Airways
28 Oct - 28 Nov	Etihad Airways
20 Oct - 02 Nov	easyJet
23 Oct - 07 Nov	Etihad Airways
02 Oct - 16 Oct	Etihad Airways
02 Oct - 14 Oct	Etihad Airways
02 Oct - 15 Oct	Etihad Airways
28 Oct - 14 Nov	Etihad Airways
23 Oct - 28 Oct	easyJet
20 Oct - 29 Oct	easyJet
03 Oct - 17 Oct	Air India
03 Oct - 19 Oct	Air India
01 Oct - 16 Oct	Air India

Also check the deals for one-way flights from Paris 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 Paris to Seoul in October from $612

Return flights