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

Return flights

01 Sep - 30 Sep	Scoot
05 Sep - 10 Oct	Indonesia AirAsia
08 Sep - 14 Sep	Scoot
19 Sep - 30 Sep	Scoot
19 Sep - 07 Oct	Scoot
07 Sep - 13 Sep	Indonesia AirAsia
23 Sep - 30 Sep	Indonesia AirAsia
08 Sep - 12 Sep	Indonesia AirAsia
01 Sep - 08 Sep	Indonesia AirAsia
02 Sep - 12 Sep	Indonesia AirAsia
03 Sep - 17 Sep	Indonesia AirAsia
22 Sep - 10 Oct	Scoot
12 Sep - 18 Sep	Scoot
29 Sep - 08 Oct	Scoot
30 Sep - 09 Oct	Scoot
25 Sep - 07 Oct	Philippine Airlines
26 Sep - 03 Oct	Scoot
21 Sep - 07 Oct	Vietnam Airlines
29 Sep - 06 Oct	Vietnam Airlines
21 Sep - 07 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 188€

Return flights