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

Return flights

09 Sep - 16 Sep	IndiGo
18 Sep - 25 Sep	IndiGo
15 Sep - 22 Sep	IndiGo
15 Sep - 21 Sep	IndiGo
28 Sep - 08 Oct	IndiGo
14 Sep - 21 Sep	IndiGo
10 Sep - 24 Sep	IndiGo
13 Sep - 20 Sep	IndiGo
03 Sep - 07 Sep	Turkish Airlines
08 Sep - 21 Sep	Etihad Airways
13 Sep - 21 Sep	Etihad Airways
19 Sep - 11 Oct	Turkish Airlines

Also check the deals for one-way flights from Mumbai to Brussels in September.

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 September from 322€

Return flights