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

Return flights

01 Dec - 15 Dec	Pegasus Airlines
01 Dec - 14 Dec	Pegasus Airlines
01 Dec - 08 Dec	Pegasus Airlines
03 Dec - 08 Dec	Etihad Airways
01 Dec - 18 Dec	AJet
05 Dec - 12 Dec	Ryanair
01 Dec - 21 Dec	AJet
05 Dec - 20 Dec	Wizz Air
29 Dec - 14 Jan	Qatar Airways
29 Dec - 13 Jan	Qatar Airways
05 Dec - 26 Dec	Pegasus Airlines
29 Dec - 16 Jan	Qatar Airways
29 Dec - 17 Jan	Qatar Airways
11 Dec - 24 Dec	Pegasus Airlines
10 Dec - 12 Jan	Ryanair
11 Dec - 07 Jan	Turkish Airlines
15 Dec - 29 Jan	AJet
25 Dec - 08 Jan	Pegasus Airlines
26 Dec - 10 Jan	AJet
17 Dec - 07 Jan	easyJet

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 $603

Return flights