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

Return flights

21 Oct - 11 Nov	Ryanair
29 Oct - 30 Nov	Wizz Air Malta
28 Oct - 07 Nov	Transavia France
23 Oct - 06 Nov	Wizz Air Malta
26 Oct - 13 Nov	Vueling Airlines
27 Oct - 09 Nov	Vueling Airlines
29 Oct - 09 Nov	Vueling Airlines
15 Oct - 29 Oct	Ryanair
21 Oct - 29 Oct	Ryanair
23 Oct - 05 Nov	easyJet
16 Oct - 28 Oct	easyJet
22 Oct - 09 Nov	easyJet
22 Oct - 28 Oct	easyJet
22 Oct - 29 Oct	Ryanair
27 Oct - 03 Nov	easyJet
02 Oct - 18 Oct	Vueling Airlines
02 Oct - 09 Oct	easyJet
05 Oct - 14 Oct	Air India
01 Oct - 25 Oct	Air India
17 Oct - 25 Oct	easyJet

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 450€

Return flights