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

Return flights

29 Jan - 07 Feb	Jeju Air
12 Jan - 02 Feb	Jeju Air
29 Jan - 05 Feb	Jeju Air
27 Jan - 09 Feb	EVA Air
14 Jan - 19 Jan	Japan Airlines
13 Jan - 16 Jan	Japan Airlines
10 Jan - 20 Jan	Japan Airlines
17 Jan - 18 Jan	Japan Airlines
12 Jan - 15 Jan	Japan Airlines
20 Jan - 26 Jan	Japan Airlines
22 Jan - 29 Jan	Japan Airlines
14 Jan - 16 Jan	Japan Airlines
10 Jan - 24 Jan	Japan Airlines
26 Jan - 28 Jan	Japan Airlines
27 Jan - 02 Feb	Japan Airlines
10 Jan - 06 Feb	Japan Airlines
23 Jan - 04 Feb	Japan Airlines
25 Jan - 07 Feb	Japan Airlines
17 Jan - 18 Feb	Japan Airlines
22 Jan - 03 Feb	Japan Airlines

Also check the deals for one-way flights from Seoul to Jakarta 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 Seoul to Jakarta in January from 244€

Return flights