AirHint found the following cheapest return flights from Jakarta (CGK) to Cheju (CJU) in October 2025 (see full year).

Return flights

12 Oct - 17 Oct	Scoot
03 Oct - 10 Oct	Scoot
04 Oct - 10 Oct	Scoot
03 Oct - 12 Oct	Scoot
04 Oct - 12 Oct	Scoot
08 Oct - 11 Oct	VietJet Air
31 Oct - 09 Nov	Asiana Airlines
30 Oct - 02 Nov	Scoot
09 Oct - 12 Oct	Scoot
11 Oct - 12 Oct	Scoot
08 Oct - 14 Oct	Asiana Airlines

Also check the deals for one-way flights from Jakarta to Cheju 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 Cheju in October from $403

Return flights