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

Return flights

01 Dec - 14 Dec	Ryanair
01 Dec - 15 Dec	Ryanair
09 Dec - 24 Dec	KLM
06 Dec - 29 Dec	easyJet
29 Dec - 13 Jan	Qatar Airways
06 Dec - 13 Dec	AJet
05 Dec - 26 Dec	Pegasus Airlines
28 Dec - 13 Jan	Qatar Airways
29 Dec - 19 Jan	Qatar Airways
10 Dec - 10 Jan	Juneyao Airlines
10 Dec - 29 Dec	Juneyao Airlines
01 Dec - 21 Dec	AJet
09 Dec - 28 Dec	Pegasus Airlines
15 Dec - 29 Jan	Ryanair
07 Dec - 06 Jan	Juneyao Airlines
15 Dec - 29 Dec	AJet
25 Dec - 08 Jan	Pegasus Airlines
27 Dec - 07 Jan	Pegasus Airlines
24 Dec - 04 Jan	Pegasus Airlines
27 Dec - 04 Jan	Pegasus Airlines

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 607€

Return flights