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

Return flights

15 Sep - 29 Sep	Air Canada
10 Sep - 17 Sep	Air Canada
03 Sep - 17 Sep	Air Canada
11 Sep - 25 Sep	Flair Airlines
10 Sep - 24 Sep	Air Canada
10 Sep - 30 Sep	Air Canada
11 Sep - 18 Sep	Flair Airlines
08 Sep - 22 Sep	Air Canada
13 Sep - 24 Sep	Air Canada
09 Sep - 23 Sep	Flair Airlines
23 Sep - 07 Oct	Air Canada
19 Sep - 04 Oct	Air Canada
17 Sep - 01 Oct	Air Canada
20 Sep - 04 Oct	Flair Airlines
25 Sep - 11 Oct	Air Canada
13 Sep - 13 Oct	British Airways
16 Sep - 16 Oct	British Airways
06 Sep - 06 Oct	British Airways
07 Sep - 07 Oct	British Airways
19 Sep - 03 Oct	British Airways

Also check the deals for one-way flights from Toronto 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 Toronto to Delhi in September from $772

Return flights