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

Return flights

01 Sep - 16 Sep	Pegasus Airlines
05 Sep - 10 Oct	AJet
22 Sep - 04 Oct	IndiGo
11 Sep - 15 Sep	IndiGo
20 Sep - 27 Sep	Ryanair
05 Sep - 12 Sep	KLM
03 Sep - 08 Sep	Etihad Airways
09 Sep - 24 Oct	KLM
01 Sep - 14 Sep	Etihad Airways
15 Sep - 17 Sep	Pegasus Airlines
17 Sep - 24 Sep	SWISS

Also check the deals for one-way flights from Brussels to Mumbai 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 Brussels to Mumbai in September from 392€

Return flights