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

Return flights

25 Jan - 01 Feb	WestJet
30 Jan - 06 Feb	WestJet
30 Jan - 13 Feb	WestJet
30 Jan - 14 Feb	WestJet
31 Jan - 07 Feb	WestJet
30 Jan - 12 Feb	WestJet
22 Jan - 29 Jan	WestJet
26 Jan - 02 Feb	WestJet
18 Jan - 25 Jan	WestJet
19 Jan - 26 Jan	WestJet
29 Jan - 05 Feb	WestJet
21 Jan - 28 Jan	Porter Airlines (Canada) Ltd
23 Jan - 30 Jan	Porter Airlines (Canada) Ltd
17 Jan - 24 Jan	Porter Airlines (Canada) Ltd
28 Jan - 04 Feb	Porter Airlines (Canada) Ltd
27 Jan - 03 Feb	Porter Airlines (Canada) Ltd
24 Jan - 31 Jan	Porter Airlines (Canada) Ltd
14 Jan - 21 Jan	United
20 Jan - 27 Jan	United
12 Jan - 19 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 $1404

Return flights