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

Return flights

29 Dec - 05 Jan	Etihad Airways
04 Dec - 09 Dec	Turkish Airlines
08 Dec - 15 Dec	Etihad Airways
03 Dec - 10 Dec	Juneyao Airlines
05 Dec - 12 Dec	Juneyao Airlines
01 Dec - 08 Dec	Scoot
28 Dec - 03 Jan	Etihad Airways
27 Dec - 02 Jan	Juneyao Airlines
26 Dec - 02 Jan	Etihad Airways
30 Dec - 06 Jan	Finnair
26 Dec - 01 Jan	Etihad Airways
20 Dec - 25 Dec	Juneyao Airlines
22 Dec - 27 Dec	Turkish Airlines
18 Dec - 27 Dec	Juneyao Airlines
25 Dec - 01 Jan	KLM
26 Dec - 03 Jan	KLM
23 Dec - 04 Jan	IndiGo
21 Dec - 30 Dec	Cathay Pacific
17 Dec - 29 Dec	IndiGo
21 Dec - 03 Jan	IndiGo

Also check the deals for one-way flights from Singapore to Brussels 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 Singapore to Brussels in December from 614€

Return flights