AirHint found the following cheapest return flights from Ontario (ONT) to Shanghai (SHA) in March 2026 (see full year).

Return flights

10 Mar - 26 Mar	Korean Air
02 Mar - 11 Mar	China Southern
24 Mar - 07 Apr	China Southern
10 Mar - 24 Mar	China Southern
03 Mar - 17 Mar	China Southern
15 Mar - 15 Apr	China Southern
01 Mar - 15 Apr	China Southern
06 Mar - 18 Mar	China Southern
06 Mar - 17 Mar	China Southern
31 Mar - 17 Apr	China Southern
01 Mar - 14 Mar	China Southern
08 Mar - 21 Mar	China Southern
25 Mar - 05 Apr	China Southern
22 Mar - 05 Apr	China Southern
13 Mar - 21 Mar	China Southern
14 Mar - 05 Apr	China Southern
10 Mar - 17 Mar	China Southern
25 Mar - 01 Apr	Qatar Airways
25 Mar - 06 Apr	Qatar Airways
27 Mar - 17 Apr	Qatar Airways

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

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 March from $842

Return flights