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

Return flights

22 Dec - 06 Jan	IndiGo
17 Dec - 03 Jan	IndiGo
20 Dec - 25 Jan	IndiGo
16 Dec - 03 Jan	IndiGo
16 Dec - 04 Jan	IndiGo
27 Dec - 18 Jan	Etihad Airways
28 Dec - 18 Jan	Etihad Airways
27 Dec - 11 Jan	Etihad Airways
27 Dec - 25 Jan	Etihad Airways
19 Dec - 30 Dec	British Airways
29 Dec - 18 Jan	Ethiopian Airlines
01 Dec - 06 Dec	Ethiopian Airlines
11 Dec - 15 Dec	Emirates
02 Dec - 11 Dec	IndiGo
01 Dec - 13 Dec	Emirates
02 Dec - 13 Dec	Emirates
03 Dec - 13 Dec	Gulf Air
11 Dec - 20 Dec	British Airways

Also check the deals for one-way flights from Mumbai 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 Mumbai to Brussels in December from $447

Return flights