AirHint found the following cheapest one-way flights from Montreal (YUL) to Delhi (DEL) in September 2025 (see full year).

One-Way flights

10 Sep	Porter Airlines (Canada) Ltd
03 Sep	Porter Airlines (Canada) Ltd
08 Sep	Porter Airlines (Canada) Ltd
04 Sep	Porter Airlines (Canada) Ltd
06 Sep	Porter Airlines (Canada) Ltd
24 Sep	Porter Airlines (Canada) Ltd
02 Sep	Porter Airlines (Canada) Ltd
29 Sep	Porter Airlines (Canada) Ltd
28 Sep	Porter Airlines (Canada) Ltd
23 Sep	Porter Airlines (Canada) Ltd

Also check the deals for return flights from Montreal to Delhi 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 one-way flights from Montreal to Delhi in September from 414€

One-Way flights