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

Return flights

27 Jan - 03 Feb	Qatar Airways
19 Jan - 26 Jan	Qatar Airways
26 Jan - 02 Feb	Qatar Airways
13 Jan - 20 Jan	United
21 Jan - 28 Jan	United
25 Jan - 01 Feb	United
31 Jan - 07 Feb	Porter Airlines (Canada) Ltd
07 Jan - 14 Jan	Air Canada
20 Jan - 27 Jan	United
24 Jan - 31 Jan	Air Canada
22 Jan - 29 Jan	United
23 Jan - 30 Jan	United
30 Jan - 06 Feb	United
29 Jan - 05 Feb	United
12 Jan - 19 Jan	United
18 Jan - 25 Jan	Qatar Airways
14 Jan - 03 Feb	Qatar Airways

Also check the deals for one-way flights from Montreal to Sydney in January.

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 January from $1479

Return flights