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

Return flights

12 Dec - 26 Dec	Alaska Airlines
02 Dec - 09 Dec	Qatar Airways
06 Dec - 14 Dec	British Airways
04 Dec - 16 Dec	Qatar Airways
22 Dec - 29 Dec	British Airways
16 Dec - 08 Jan	British Airways
22 Dec - 31 Dec	British Airways
15 Dec - 31 Dec	British Airways
12 Dec - 12 Jan	British Airways
13 Dec - 10 Jan	British Airways
25 Dec - 03 Jan	British Airways
17 Dec - 08 Jan	British Airways
17 Dec - 11 Jan	British Airways
26 Dec - 04 Jan	British Airways
20 Dec - 11 Jan	British Airways
22 Dec - 01 Jan	British Airways
22 Dec - 02 Jan	British Airways
14 Dec - 16 Dec	Qatar Airways

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

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 December from 1113€

Return flights