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

Return flights

15 Oct - 22 Oct	Finnair
29 Oct - 05 Nov	Finnair
20 Oct - 27 Oct	Finnair
29 Oct - 06 Nov	Finnair
24 Oct - 29 Oct	Finnair
19 Oct - 27 Oct	Air China
19 Oct - 29 Oct	Air China
13 Oct - 20 Oct	Air China
20 Oct - 29 Oct	Finnair
26 Oct - 01 Nov	Air China
19 Oct - 28 Oct	Air China
16 Oct - 23 Oct	Finnair
17 Oct - 26 Oct	Finnair
15 Oct - 15 Nov	Finnair
18 Oct - 01 Nov	Air China
15 Oct - 12 Nov	Air China
24 Oct - 21 Nov	Air China
27 Oct - 03 Nov	Air China
27 Oct - 22 Nov	Air China
27 Oct - 01 Nov	Air China

Also check the deals for one-way flights from Seoul to Paris 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 Seoul to Paris in October from 493€

Return flights