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
26 Jan - 02 Feb	Qatar Airways
21 Jan - 28 Jan	United
25 Jan - 01 Feb	United
20 Jan - 27 Jan	Porter Airlines (Canada) Ltd
19 Jan - 26 Jan	Porter Airlines (Canada) Ltd
31 Jan - 07 Feb	Porter Airlines (Canada) Ltd
29 Jan - 05 Feb	Porter Airlines (Canada) Ltd
22 Jan - 29 Jan	United
30 Jan - 06 Feb	United
12 Jan - 19 Jan	United
23 Jan - 30 Jan	United
11 Jan - 18 Jan	United
14 Jan - 21 Jan	ANA
08 Jan - 15 Jan	Porter Airlines (Canada) Ltd
09 Jan - 16 Jan	Porter Airlines (Canada) Ltd

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 1278€

Return flights