AirHint found the following cheapest return flights from Montreal (YUL) to Shanghai (PVG) in May 2026 (see full year).

Return flights

13 May - 29 May	WestJet
20 May - 27 May	Qatar Airways
15 May - 30 May	Porter Airlines (Canada) Ltd
26 May - 02 Jun	Qatar Airways
04 May - 11 May	Qatar Airways
06 May - 13 May	Qatar Airways
18 May - 25 May	Qatar Airways
19 May - 26 May	Qatar Airways
25 May - 01 Jun	Qatar Airways
05 May - 12 May	Qatar Airways
03 May - 10 May	Qatar Airways
22 May - 29 May	Qatar Airways
27 May - 03 Jun	Qatar Airways
26 May - 10 Jun	Qatar Airways
28 May - 04 Jun	United
29 May - 05 Jun	Qatar Airways
22 May - 15 Jun	Air Canada
25 May - 26 Jun	Air Canada
31 May - 07 Jun	Air Canada
30 May - 06 Jun	Air Canada

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

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 May from $1139

Return flights