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

Return flights

09 Dec - 13 Jan	IndiGo
15 Dec - 16 Jan	IndiGo
05 Dec - 13 Jan	Etihad Airways
05 Dec - 02 Jan	IndiGo
06 Dec - 02 Jan	IndiGo
24 Dec - 31 Dec	British Airways
25 Dec - 29 Dec	British Airways
19 Dec - 25 Dec	British Airways
04 Dec - 02 Jan	British Airways
23 Dec - 01 Jan	British Airways
14 Dec - 19 Dec	EgyptAir
22 Dec - 27 Dec	Lufthansa
07 Dec - 11 Dec	Ethiopian Airlines
14 Dec - 20 Dec	Emirates
15 Dec - 19 Dec	Ethiopian Airlines

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 482€

Return flights