AirHint found the following cheapest return flights from Ontario (ONT) to Shanghai (PVG) in October 2025 (see full year).

Return flights

21 Oct - 04 Nov	Asiana Airlines
21 Oct - 16 Nov	Asiana Airlines
09 Oct - 16 Oct	Asiana Airlines
15 Oct - 16 Nov	Asiana Airlines
22 Oct - 29 Oct	Finnair
21 Oct - 23 Nov	Finnair
13 Oct - 20 Oct	Finnair
14 Oct - 08 Nov	Finnair
15 Oct - 21 Oct	Finnair
15 Oct - 26 Oct	Finnair
28 Oct - 09 Nov	Qatar Airways
26 Oct - 15 Nov	Qatar Airways
27 Oct - 15 Nov	Qatar Airways
26 Oct - 02 Nov	Qatar Airways
14 Oct - 16 Nov	Asiana Airlines
09 Oct - 17 Oct	Finnair
18 Oct - 31 Oct	Qatar Airways
14 Oct - 25 Oct	Qatar Airways
26 Oct - 29 Oct	Qatar Airways
13 Oct - 31 Oct	Qatar Airways

Also check the deals for one-way flights from Ontario to Shanghai in October.

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 Ontario to Shanghai in October from $1102

Return flights