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

Return flights

23 Oct - 29 Oct	Citilink
31 Oct - 07 Nov	Citilink
16 Oct - 19 Oct	Citilink
23 Oct - 28 Oct	Citilink
27 Oct - 08 Nov	Citilink
27 Oct - 01 Nov	Citilink
26 Oct - 29 Oct	Citilink
26 Oct - 30 Oct	Citilink
25 Oct - 29 Oct	Citilink
31 Oct - 02 Nov	Citilink
25 Oct - 30 Oct	Citilink
25 Oct - 31 Oct	Citilink
26 Oct - 01 Nov	Citilink
31 Oct - 09 Nov	Citilink
15 Oct - 20 Oct	Citilink
26 Oct - 08 Nov	Citilink
25 Oct - 01 Nov	Citilink
26 Oct - 02 Nov	Citilink
06 Oct - 15 Oct	Garuda Indonesia

Also check the deals for one-way flights from Jakarta 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 Jakarta to Seoul in October from 507€

Return flights