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

Return flights

04 Oct - 10 Oct	AirAsia
01 Oct - 10 Oct	AirAsia
01 Oct - 29 Oct	VietJet Air
15 Oct - 20 Oct	VietJet Air
01 Oct - 18 Oct	VietJet Air
01 Oct - 25 Oct	VietJet Air
01 Oct - 20 Oct	AirAsia
25 Oct - 05 Nov	AirAsia
25 Oct - 12 Nov	AirAsia
04 Oct - 20 Oct	AirAsia
25 Oct - 06 Nov	AirAsia
04 Oct - 18 Oct	AirAsia
25 Oct - 09 Nov	AirAsia
17 Oct - 05 Nov	AirAsia
14 Oct - 20 Oct	AirAsia
17 Oct - 06 Nov	AirAsia
17 Oct - 17 Nov	AirAsia

Also check the deals for one-way flights from Kochi 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 Kochi to Seoul in October from 342€

Return flights