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

Return flights

03 Oct - 16 Oct	easyJet
25 Oct - 10 Nov	Scandinavian Airlines
01 Oct - 10 Oct	Air India
03 Oct - 24 Oct	Air India
03 Oct - 08 Nov	Air India
01 Oct - 08 Nov	Air India
28 Oct - 13 Nov	easyJet
28 Oct - 06 Nov	easyJet
25 Oct - 23 Nov	China Eastern
29 Oct - 16 Nov	Air India
30 Oct - 18 Nov	China Eastern
28 Oct - 18 Nov	Air China
30 Oct - 19 Nov	Scandinavian Airlines
20 Oct - 26 Oct	easyJet
02 Oct - 23 Oct	Air India
02 Oct - 14 Oct	Air India
02 Oct - 16 Oct	Air India
02 Oct - 09 Oct	Air India
02 Oct - 12 Oct	Air India
01 Oct - 14 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 494€

Return flights