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

Return flights

10 Sep - 23 Sep	Air France
08 Sep - 23 Sep	Air France
09 Sep - 24 Sep	Air France
09 Sep - 29 Sep	Air France
10 Sep - 28 Sep	Air France
10 Sep - 29 Sep	Air France
04 Sep - 25 Sep	Air France
15 Sep - 09 Oct	Air France
16 Sep - 03 Oct	Air France
15 Sep - 01 Oct	Air France
07 Sep - 01 Oct	Air France
08 Sep - 09 Oct	Air France
15 Sep - 11 Oct	Air France
15 Sep - 03 Oct	Air France
16 Sep - 11 Oct	Air France
12 Sep - 27 Sep	KLM
16 Sep - 18 Oct	Air France
14 Sep - 18 Oct	Air France
18 Sep - 25 Sep	Air France
19 Sep - 26 Sep	Air France

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 785€

Return flights