AirHint found the following cheapest return flights from Jakarta (HLP) to Seoul (ICN) in December 2025 (see full year).

Return flights

04 Dec - 08 Dec	Citilink
04 Dec - 11 Dec	Citilink
05 Dec - 12 Dec	Citilink
02 Dec - 06 Dec	Citilink
03 Dec - 09 Dec	Citilink
09 Dec - 13 Dec	Garuda Indonesia
03 Dec - 07 Dec	Citilink
11 Dec - 14 Dec	Citilink
15 Dec - 22 Dec	Citilink
06 Dec - 16 Dec	Citilink
23 Dec - 02 Jan	Citilink
29 Dec - 03 Jan	Citilink
29 Dec - 06 Jan	Citilink
30 Dec - 04 Jan	Citilink
24 Dec - 03 Jan	Citilink
25 Dec - 01 Jan	Citilink
26 Dec - 02 Jan	Citilink
25 Dec - 02 Jan	Citilink
26 Dec - 03 Jan	Citilink
21 Dec - 02 Jan	Citilink

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

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 December from 530€

Return flights