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

Return flights

08 Sep - 14 Sep	Scoot
01 Sep - 08 Sep	Indonesia AirAsia
16 Sep - 25 Sep	Indonesia AirAsia
02 Sep - 09 Sep	Indonesia AirAsia
09 Sep - 17 Sep	Indonesia AirAsia
10 Sep - 18 Sep	Indonesia AirAsia
20 Sep - 27 Sep	Indonesia AirAsia
11 Sep - 18 Sep	Indonesia AirAsia
22 Sep - 04 Oct	Indonesia AirAsia
04 Sep - 06 Sep	Indonesia AirAsia
30 Sep - 11 Oct	Scoot
04 Sep - 18 Sep	Scoot
29 Sep - 06 Oct	Scoot
22 Sep - 04 Oct	Korean Air	direct
30 Sep - 11 Oct	Korean Air	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 203€

Return flights