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

Return flights

11 Jan - 18 Jan	China Eastern
09 Jan - 11 Jan	Air Seoul, Inc
08 Jan - 15 Jan	Air Seoul, Inc
14 Jan - 03 Feb	EVA Air
28 Jan - 03 Feb	EVA Air
27 Jan - 03 Feb	EVA Air
28 Jan - 10 Feb	EVA Air
14 Jan - 10 Feb	EVA Air
23 Jan - 27 Jan	EVA Air
04 Jan - 11 Jan	Japan Airlines
26 Jan - 30 Jan	Japan Airlines
17 Jan - 20 Jan	Japan Airlines
01 Jan - 06 Jan	Japan Airlines
25 Jan - 29 Jan	Japan Airlines
07 Jan - 16 Jan	Japan Airlines
25 Jan - 05 Feb	Japan Airlines
12 Jan - 14 Feb	Japan Airlines
18 Jan - 06 Feb	Japan Airlines
29 Jan - 02 Feb	Japan Airlines
30 Jan - 01 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 266€

Return flights