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

Return flights

21 Jan - 27 Jan	Indonesia AirAsia
16 Jan - 29 Jan	AirAsia
28 Jan - 08 Feb	Indonesia AirAsia
26 Jan - 09 Feb	Indonesia AirAsia
07 Jan - 08 Feb	AirAsia
20 Jan - 11 Feb	Indonesia AirAsia
26 Jan - 31 Jan	AirAsia
06 Jan - 20 Jan	Scoot
13 Jan - 22 Jan	Indonesia AirAsia
19 Jan - 28 Jan	Indonesia AirAsia
16 Jan - 21 Jan	AirAsia
13 Jan - 21 Jan	AirAsia
13 Jan - 20 Jan	AirAsia
21 Jan - 26 Jan	AirAsia
25 Jan - 07 Feb	AirAsia
30 Jan - 11 Feb	Scoot
28 Jan - 04 Feb	AirAsia
04 Jan - 03 Feb	AirAsia
28 Jan - 01 Feb	AirAsia
17 Jan - 01 Feb	AirAsia

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

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 January from $254

Return flights