AirHint found the following cheapest return flights from Montreal (YUL) to Sydney (SYD) in March 2026 (see full year).

Return flights

03 Mar - 10 Mar	Porter Airlines (Canada) Ltd
02 Mar - 09 Mar	Qatar Airways
06 Mar - 13 Mar	Porter Airlines (Canada) Ltd
16 Mar - 23 Mar	Qatar Airways
12 Mar - 19 Mar	WestJet
01 Mar - 08 Mar	Qatar Airways
23 Mar - 30 Mar	Qatar Airways
30 Mar - 06 Apr	Qatar Airways
15 Mar - 22 Mar	Qatar Airways
08 Mar - 15 Mar	United
10 Mar - 17 Mar	United
25 Mar - 01 Apr	United
31 Mar - 07 Apr	United
29 Mar - 05 Apr	Qatar Airways
26 Mar - 02 Apr	Air Canada
27 Mar - 03 Apr	Porter Airlines (Canada) Ltd
28 Mar - 04 Apr	Air Canada

Also check the deals for one-way flights from Montreal to Sydney 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 Montreal to Sydney in March from 1226€

Return flights