Cheapest return flights from Montreal to Sydney in August from $1006

Best time to book flights for Montreal (YUL) to Sydney (SYD) flights at AirHint

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

Return flights

28 Aug - 03 Sep WestJet
27 Aug - 03 Sep Porter Airlines (Canada) Ltd
08 Aug - 15 Aug Porter Airlines (Canada) Ltd
29 Aug - 05 Sep WestJet
22 Aug - 10 Sep WestJet
15 Aug - 22 Aug Porter Airlines (Canada) Ltd
01 Aug - 08 Aug Porter Airlines (Canada) Ltd
06 Aug - 13 Aug Porter Airlines (Canada) Ltd
19 Aug - 26 Aug WestJet
28 Aug - 04 Sep WestJet
12 Aug - 19 Aug WestJet
26 Aug - 02 Sep WestJet
17 Aug - 24 Aug WestJet
21 Aug - 28 Aug WestJet
10 Aug - 17 Aug Porter Airlines (Canada) Ltd
03 Aug - 15 Aug Porter Airlines (Canada) Ltd
25 Aug - 01 Sep Air New Zealand
30 Aug - 06 Sep Air New Zealand
31 Aug - 07 Sep United
05 Aug - 01 Sep United

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

Skyscanner

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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