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

Return flights

01 Dec - 10 Dec	WestJet
01 Dec - 08 Dec	Porter Airlines (Canada) Ltd
03 Dec - 10 Dec	Porter Airlines (Canada) Ltd
04 Dec - 11 Dec	WestJet
13 Dec - 23 Dec	Porter Airlines (Canada) Ltd
09 Dec - 16 Dec	SWISS
10 Dec - 17 Dec	WestJet
11 Dec - 18 Dec	Porter Airlines (Canada) Ltd
08 Dec - 15 Dec	Qatar Airways
06 Dec - 29 Dec	Porter Airlines (Canada) Ltd
10 Dec - 12 Jan	Porter Airlines (Canada) Ltd
10 Dec - 11 Jan	Air Transat
24 Dec - 18 Jan	Porter Airlines (Canada) Ltd
15 Dec - 16 Jan	Air Transat
24 Dec - 16 Jan	Air Transat
01 Dec - 01 Jan	Porter Airlines (Canada) Ltd
26 Dec - 08 Jan	KLM
23 Dec - 16 Jan	Delta
19 Dec - 18 Jan	LOT
16 Dec - 09 Jan	Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Montreal 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 Montreal to Shanghai in December from $1011

Return flights