AirHint found the following cheapest return flights from Jakarta (CGK) to Seoul (ICN) in September 2026 (see full year).

Return flights

01 Sep - 09 Sep	Scoot
22 Sep - 30 Sep	Scoot
01 Sep - 15 Sep	Scoot
02 Sep - 09 Sep	Scoot
02 Sep - 11 Sep	Cebu Pacific
11 Sep - 19 Sep	Scoot
06 Sep - 15 Sep	Scoot
22 Sep - 05 Oct	Scoot
14 Sep - 29 Sep	Scoot
10 Sep - 17 Sep	Cebu Pacific
23 Sep - 28 Sep	Cebu Pacific
23 Sep - 01 Oct	Scoot
10 Sep - 15 Oct	Singapore Airlines
29 Sep - 12 Oct	Scoot
23 Sep - 01 Oct	Asiana Airlines	direct
22 Sep - 05 Oct	Asiana Airlines	direct
29 Sep - 12 Oct	Asiana Airlines	direct
10 Sep - 15 Oct	Asiana Airlines	direct

Also check the deals for one-way flights from Jakarta to Seoul in September.

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 September from $241

Return flights