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

Return flights

08 Dec - 15 Dec	Scoot
21 Dec - 06 Jan	Turkish Airlines
28 Dec - 06 Jan	Turkish Airlines
20 Dec - 07 Jan	IndiGo
31 Dec - 17 Jan	Turkish Airlines
24 Dec - 02 Jan	IndiGo
11 Dec - 31 Dec	Juneyao Airlines
19 Dec - 03 Jan	Juneyao Airlines
23 Dec - 01 Jan	IndiGo
21 Dec - 30 Dec	Juneyao Airlines
11 Dec - 30 Dec	Scoot
10 Dec - 29 Dec	IndiGo
31 Dec - 17 Jan	Singapore Airlines	direct
26 Dec - 03 Jan	IndiGo
25 Dec - 03 Jan	IndiGo
15 Dec - 31 Dec	IndiGo
24 Dec - 28 Dec	IndiGo
12 Dec - 30 Dec	IndiGo
22 Dec - 29 Dec	IndiGo
19 Dec - 27 Dec	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 $687

Return flights