AirHint found the following cheapest one-way flights from Ontario (ONT) to Shanghai (PVG) in September 2025 (see full year).

One-Way flights

18 Sep	Alaska Airlines
19 Sep	Alaska Airlines
22 Sep	Korean Air
16 Sep	China Airlines
21 Sep	China Airlines
01 Sep	Finnair
02 Sep	Finnair
04 Sep	China Airlines
26 Sep	China Airlines
29 Sep	China Airlines

Also check the deals for return flights from Ontario 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 one-way flights from Ontario to Shanghai in September from $575

One-Way flights