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

Return flights

14 Sep - 29 Oct	Ethiopian Airlines
07 Sep - 22 Oct	Etihad Airways
10 Sep - 29 Oct	Etihad Airways
17 Sep - 01 Oct	Etihad Airways
17 Sep - 15 Oct	Etihad Airways
04 Sep - 03 Oct	Etihad Airways
14 Sep - 25 Sep	Etihad Airways
03 Sep - 24 Sep	Etihad Airways
23 Sep - 12 Oct	Etihad Airways
23 Sep - 11 Oct	Etihad Airways
28 Sep - 26 Oct	Etihad Airways
07 Sep - 28 Sep	Etihad Airways
10 Sep - 08 Oct	Emirates
03 Sep - 22 Sep	Emirates

Also check the deals for one-way flights from Toronto to Karachi 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 Karachi in September from 1020€

Return flights