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

Return flights

30 Sep - 31 Oct	Air France
01 Sep - 29 Oct	Air France
18 Sep - 25 Sep	Air France
17 Sep - 24 Sep	Air France
19 Sep - 26 Sep	Air France
21 Sep - 28 Sep	Air France
23 Sep - 30 Sep	Air France
05 Sep - 21 Sep	Delta
01 Sep - 23 Sep	Air France
16 Sep - 23 Sep	Air France
11 Sep - 01 Oct	Air France
24 Sep - 01 Oct	Air France
30 Sep - 07 Oct	Air France
25 Sep - 02 Oct	Air France
29 Sep - 06 Oct	Air France
14 Sep - 21 Sep	KLM
20 Sep - 27 Sep	Air France
26 Sep - 03 Oct	KLM
28 Sep - 05 Oct	KLM
27 Sep - 04 Oct	KLM

Also check the deals for one-way flights from Montreal 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 Montreal to Mumbai in September from 859€

Return flights