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

Return flights

10 Sep - 28 Sep	Air France
08 Sep - 08 Oct	Air France
11 Sep - 11 Oct	Air France
08 Sep - 10 Oct	Air France
08 Sep - 11 Oct	Air France
08 Sep - 09 Oct	Air France
07 Sep - 08 Oct	Air France
12 Sep - 26 Sep	KLM
15 Sep - 13 Oct	Delta
12 Sep - 11 Oct	Delta
01 Sep - 29 Oct	Delta
11 Sep - 25 Sep	Air France
13 Sep - 27 Sep	Air France
09 Sep - 23 Sep	Air France
10 Sep - 24 Sep	Air France
17 Sep - 24 Sep	Air France
21 Sep - 28 Sep	Air France
04 Sep - 04 Oct	Air France
07 Sep - 21 Sep	Delta
14 Sep - 28 Sep	KLM

Also check the deals for one-way 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 return flights from Montreal to Delhi in September from 788€

Return flights