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

Return flights

04 Dec - 09 Dec	Citilink
11 Dec - 16 Dec	Citilink
30 Dec - 06 Jan	Citilink
11 Dec - 18 Dec	Citilink
03 Dec - 09 Dec	Citilink
09 Dec - 16 Dec	Citilink
09 Dec - 15 Dec	Citilink
07 Dec - 14 Dec	Citilink
10 Dec - 14 Dec	Citilink
01 Dec - 05 Dec	Citilink
18 Dec - 30 Dec	Citilink
25 Dec - 05 Jan	Citilink
25 Dec - 11 Jan	Citilink
25 Dec - 03 Jan	Citilink
16 Dec - 06 Jan	Citilink
25 Dec - 01 Jan	Citilink
23 Dec - 04 Jan	Citilink
18 Dec - 01 Jan	Citilink
23 Dec - 17 Jan	Citilink
23 Dec - 01 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 499€

Return flights