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

Return flights

21 Sep - 14 Oct	WestJet
29 Sep - 17 Oct	Porter Airlines (Canada) Ltd
24 Sep - 04 Oct	WestJet
23 Sep - 04 Oct	WestJet
27 Sep - 17 Oct	Porter Airlines (Canada) Ltd
22 Sep - 02 Oct	Philippine Airlines
22 Sep - 03 Oct	Philippine Airlines
27 Sep - 18 Oct	Philippine Airlines
26 Sep - 16 Oct	Flair Airlines
30 Sep - 07 Oct	Air Transat
24 Sep - 29 Sep	Cathay Pacific
21 Sep - 28 Sep	Cathay Pacific
23 Sep - 28 Sep	WestJet
26 Sep - 29 Sep	Flair Airlines
24 Sep - 26 Sep	United
24 Sep - 26 Sep	China Eastern	direct

Also check the deals for one-way flights from Toronto to Shanghai 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 Shanghai in September from $965

Return flights