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

Return flights

21 Sep - 19 Oct	Flair Airlines
22 Sep - 10 Oct	Flair Airlines
21 Sep - 09 Oct	Flair Airlines
21 Sep - 11 Oct	Flair Airlines
19 Sep - 16 Oct	Flair Airlines
19 Sep - 14 Oct	Flair Airlines
30 Sep - 20 Oct	WestJet
24 Sep - 12 Oct	Flair Airlines
23 Sep - 02 Oct	Porter Airlines (Canada) Ltd
24 Sep - 07 Oct	Flair Airlines
21 Sep - 28 Sep	Flair Airlines
18 Sep - 25 Sep	WestJet
23 Sep - 29 Sep	Flair Airlines
21 Sep - 30 Sep	Flair Airlines
24 Sep - 30 Sep	Flair Airlines
25 Sep - 29 Sep	Flair Airlines
26 Sep - 30 Sep	WestJet
26 Sep - 30 Sep	China Southern	direct

Also check the deals for one-way flights from Toronto to Guangzhou 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 Guangzhou in September from $1002

Return flights