AirHint found the following cheapest return flights from Montreal (YUL) to Sydney (SYD) in November 2025 (see full year).

Return flights

30 Nov - 07 Dec	WestJet
21 Nov - 28 Nov	WestJet
04 Nov - 11 Nov	Air New Zealand
10 Nov - 17 Nov	Air New Zealand
11 Nov - 18 Nov	Qatar Airways
22 Nov - 29 Nov	Porter Airlines (Canada) Ltd
17 Nov - 24 Nov	Qatar Airways
03 Nov - 10 Nov	Qatar Airways
18 Nov - 25 Nov	Qatar Airways
25 Nov - 02 Dec	Qatar Airways
20 Nov - 27 Nov	Porter Airlines (Canada) Ltd
03 Nov - 15 Dec	Qatar Airways
13 Nov - 20 Nov	Porter Airlines (Canada) Ltd
26 Nov - 03 Dec	Porter Airlines (Canada) Ltd
27 Nov - 04 Dec	Porter Airlines (Canada) Ltd
29 Nov - 06 Dec	Porter Airlines (Canada) Ltd
22 Nov - 26 Dec	Air Canada
28 Nov - 05 Dec	United

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

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 November from 1153€

Return flights