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

Return flights

07 Sep - 19 Sep	Thai Airways
11 Sep - 18 Sep	Thai Airways
18 Sep - 10 Oct	Oman Air
04 Sep - 07 Sep	Ethiopian Airlines
10 Sep - 06 Oct	Garuda Indonesia
08 Sep - 10 Oct	Etihad Airways
11 Sep - 06 Oct	Emirates
12 Sep - 03 Oct	Emirates
10 Sep - 10 Oct	Etihad Airways
11 Sep - 10 Oct	Etihad Airways
12 Sep - 10 Oct	Etihad Airways
05 Sep - 03 Oct	Etihad Airways
15 Sep - 10 Oct	Etihad Airways

Also check the deals for one-way flights from Jakarta to Brussels in September.

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 Brussels in September from 701€

Return flights