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

Return flights

23 Sep - 16 Oct	Cathay Pacific
03 Sep - 16 Oct	Cathay Pacific
03 Sep - 21 Oct	Cathay Pacific
09 Sep - 09 Oct	Cathay Pacific
16 Sep - 16 Oct	Cathay Pacific
10 Sep - 17 Sep	Air Canada
09 Sep - 10 Oct	Cathay Pacific
10 Sep - 10 Oct	Cathay Pacific
17 Sep - 17 Oct	Cathay Pacific
21 Sep - 21 Oct	Cathay Pacific
16 Sep - 02 Oct	Cathay Pacific
14 Sep - 28 Sep	KLM
14 Sep - 30 Sep	KLM
17 Sep - 23 Sep	Air France
10 Sep - 30 Sep	Air France
01 Sep - 29 Sep	Air France
07 Sep - 27 Sep	Air France
07 Sep - 29 Sep	Air France
11 Sep - 22 Sep	Air France
01 Sep - 22 Sep	Air France

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 688€

Return flights