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
06 Jan - 11 Jan	Eastar Jet
08 Jan - 17 Jan	Japan Airlines
22 Jan - 27 Jan	Japan Airlines
16 Jan - 17 Jan	Japan Airlines
16 Jan - 23 Jan	Japan Airlines
23 Jan - 25 Jan	Japan Airlines
20 Jan - 25 Jan	Japan Airlines
14 Jan - 21 Jan	Japan Airlines
11 Jan - 24 Jan	Japan Airlines
31 Jan - 07 Feb	Japan Airlines
14 Jan - 18 Feb	Japan Airlines
15 Jan - 22 Jan	Japan Airlines
30 Jan - 02 Feb	Japan Airlines
30 Jan - 01 Feb	Japan Airlines
26 Jan - 02 Feb	Japan Airlines
29 Jan - 04 Feb	Japan Airlines
21 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.

Book a cheap hotel in Jakarta

Cheap car rent in Jakarta

Cheapest return flights from Seoul to Jakarta in January from 244€

Return flights