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

Return flights

12 Sep - 29 Sep	WestJet
02 Sep - 30 Sep	WestJet
13 Sep - 04 Oct	WestJet
05 Sep - 12 Sep	WestJet
22 Sep - 21 Oct	Cathay Pacific
05 Sep - 20 Sep	WestJet
24 Sep - 20 Oct	Cathay Pacific
21 Sep - 21 Oct	Cathay Pacific
06 Sep - 20 Sep	Cathay Pacific
13 Sep - 18 Oct	Cathay Pacific
17 Sep - 03 Oct	Cathay Pacific
13 Sep - 30 Sep	Cathay Pacific
01 Sep - 10 Sep	Korean Air
02 Sep - 13 Sep	Korean Air
01 Sep - 12 Sep	Korean Air
19 Sep - 04 Oct	Air Canada
03 Sep - 01 Oct	Air Canada
10 Sep - 24 Sep	Air Canada
24 Sep - 20 Oct	China Eastern	direct
12 Sep - 11 Oct	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 906€

Return flights