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

Return flights

25 Aug - 17 Sep	Air Canada
31 Aug - 07 Sep	Air Canada
26 Aug - 02 Sep	ANA
28 Aug - 04 Sep	United
30 Aug - 06 Sep	Air Canada
23 Aug - 30 Aug	Japan Airlines
29 Aug - 05 Sep	United
25 Aug - 01 Sep	United
20 Aug - 27 Aug	United
21 Aug - 28 Aug	United
24 Aug - 31 Aug	United
19 Aug - 01 Sep	United
22 Aug - 29 Aug	United
19 Aug - 26 Aug	United
20 Aug - 25 Aug	Air Canada

Also check the deals for one-way flights from Montreal to Shanghai in August.

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 August from 860€

Return flights