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

Return flights

01 Oct - 08 Oct	British Airways
25 Oct - 01 Nov	British Airways
25 Oct - 30 Nov	British Airways
27 Oct - 03 Nov	British Airways
08 Oct - 15 Oct	British Airways
05 Oct - 12 Oct	British Airways
02 Oct - 09 Oct	British Airways
14 Oct - 21 Oct	British Airways
07 Oct - 14 Oct	British Airways
09 Oct - 16 Oct	British Airways
13 Oct - 20 Oct	British Airways
30 Oct - 06 Nov	British Airways
28 Oct - 04 Nov	British Airways
29 Oct - 05 Nov	British Airways
15 Oct - 16 Nov	British Airways
21 Oct - 28 Oct	Qatar Airways
16 Oct - 23 Oct	Emirates
31 Oct - 07 Nov	Qatar Airways
17 Oct - 15 Nov	Qatar Airways
10 Oct - 08 Nov	Emirates

Also check the deals for one-way flights from Montreal to Mumbai in October.

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 October from $890

Return flights