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

Return flights

01 Dec - 15 Jan	Finnair
02 Dec - 16 Jan	Finnair
08 Dec - 29 Dec	Finnair
08 Dec - 16 Jan	Finnair
09 Dec - 15 Jan	Etihad Airways
01 Dec - 08 Dec	Etihad Airways
08 Dec - 14 Jan	Etihad Airways
05 Dec - 14 Dec	Ryanair
07 Dec - 20 Dec	Juneyao Airlines
06 Dec - 20 Jan	KLM
08 Dec - 23 Dec	Wizz Air
05 Dec - 12 Dec	Juneyao Airlines
06 Dec - 13 Dec	Pegasus Airlines
08 Dec - 15 Dec	KLM
06 Dec - 21 Dec	Pegasus Airlines
06 Dec - 14 Dec	Pegasus Airlines
07 Dec - 15 Jan	Etihad Airways
15 Dec - 11 Jan	Pegasus Airlines
29 Dec - 12 Jan	Pegasus Airlines
25 Dec - 14 Jan	Pegasus Airlines

Also check the deals for one-way flights from Brussels to Singapore 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 Singapore in December from $590

Return flights