AirHint found the following cheapest return flights from Brussels (BRU) to Jakarta (CGK) in December 2025 (see full year).

Return flights

10 Dec - 31 Dec	Etihad Airways
28 Dec - 11 Jan	Etihad Airways
29 Dec - 24 Jan	Etihad Airways
09 Dec - 06 Jan	Etihad Airways
29 Dec - 11 Jan	Turkish Airlines
09 Dec - 04 Jan	Etihad Airways
27 Dec - 11 Jan	Hainan Airlines
23 Dec - 22 Jan	Etihad Airways
24 Dec - 21 Jan	Etihad Airways
15 Dec - 30 Dec	Turkish Airlines
13 Dec - 29 Dec	KLM
24 Dec - 10 Jan	Etihad Airways
24 Dec - 24 Jan	Qatar Airways
13 Dec - 27 Dec	KLM

Also check the deals for one-way flights from Brussels to Jakarta 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 Brussels to Jakarta in December from 697€

Return flights