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

Return flights

31 Jan - 07 Feb	Air Canada
27 Jan - 03 Feb	Qatar Airways
26 Jan - 02 Feb	Qatar Airways
20 Jan - 27 Jan	Qatar Airways
18 Jan - 25 Jan	Qatar Airways
12 Jan - 19 Jan	United
14 Jan - 21 Jan	United
23 Jan - 30 Jan	Porter Airlines (Canada) Ltd
28 Jan - 04 Feb	United
29 Jan - 05 Feb	Porter Airlines (Canada) Ltd
24 Jan - 31 Jan	United
30 Jan - 06 Feb	United
17 Jan - 24 Jan	United
06 Jan - 13 Jan	Air Canada
01 Jan - 08 Jan	Qantas
22 Jan - 29 Jan	United
02 Jan - 02 Feb	Air Canada

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 1246€

Return flights