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

Return flights

23 Sep - 30 Oct	Pegasus Airlines
03 Sep - 15 Sep	Pegasus Airlines
19 Sep - 06 Oct	Pegasus Airlines
03 Sep - 28 Sep	Pegasus Airlines
14 Sep - 29 Sep	Pegasus Airlines
27 Sep - 26 Oct	AJet
27 Sep - 07 Oct	AJet
04 Sep - 28 Sep	Pegasus Airlines
01 Sep - 02 Oct	AJet
07 Sep - 20 Sep	KLM
17 Sep - 02 Oct	KLM
22 Sep - 03 Oct	AJet
30 Sep - 14 Oct	KLM
01 Sep - 14 Sep	AJet
15 Sep - 29 Sep	Turkish Airlines
09 Sep - 16 Sep	Turkish Airlines
03 Sep - 07 Sep	Pegasus Airlines
03 Sep - 10 Sep	Pegasus Airlines
26 Sep - 24 Oct	KLM

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 $451

Return flights