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

Return flights

02 Sep - 22 Sep	Air Transat
08 Sep - 21 Sep	Air Transat
03 Sep - 22 Sep	Air Transat
07 Sep - 21 Sep	Air Transat
01 Sep - 16 Sep	Air Transat
01 Sep - 15 Sep	Air Transat
08 Sep - 16 Sep	Air Transat
08 Sep - 15 Sep	Air Transat
09 Sep - 16 Sep	Air Transat
02 Sep - 16 Sep	Air Transat
13 Sep - 11 Oct	Saudia
02 Sep - 01 Oct	Air Transat
08 Sep - 01 Oct	Air Transat
10 Sep - 01 Oct	Air Transat
17 Sep - 01 Oct	Air Transat
07 Sep - 07 Oct	Saudia
23 Sep - 26 Oct	Saudia
07 Sep - 14 Oct	Saudia
25 Sep - 26 Oct	Saudia
07 Sep - 21 Oct	Saudia

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 $914

Return flights