Cheapest return flights from Montreal to Sydney in August from $1040

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

Return flights

29 Aug - 07 Sep Porter Airlines (Canada) Ltd
27 Aug - 03 Sep Porter Airlines (Canada) Ltd
08 Aug - 15 Aug WestJet
31 Aug - 07 Sep Porter Airlines (Canada) Ltd
28 Aug - 04 Sep WestJet
30 Aug - 06 Sep WestJet
06 Aug - 13 Aug WestJet
13 Aug - 20 Aug WestJet
14 Aug - 21 Aug WestJet
29 Aug - 05 Sep Porter Airlines (Canada) Ltd
18 Aug - 08 Sep Porter Airlines (Canada) Ltd
05 Aug - 12 Aug WestJet
03 Aug - 10 Aug WestJet
10 Aug - 17 Aug WestJet
12 Aug - 19 Aug Porter Airlines (Canada) Ltd
17 Aug - 24 Aug Porter Airlines (Canada) Ltd
19 Aug - 09 Sep Porter Airlines (Canada) Ltd
22 Aug - 29 Aug WestJet
26 Aug - 02 Sep WestJet
25 Aug - 01 Sep Porter Airlines (Canada) Ltd

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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