Cheapest return flights from Montreal to Sydney in August from $1331

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

05 Aug - 12 Aug United
13 Aug - 20 Aug United
19 Aug - 26 Aug United
25 Aug - 01 Sep United
27 Aug - 03 Sep United
31 Aug - 07 Sep United
20 Aug - 10 Sep United
28 Aug - 15 Sep United
17 Aug - 24 Aug United
14 Aug - 21 Aug United
09 Aug - 16 Aug United
15 Aug - 22 Aug United
21 Aug - 28 Aug United
23 Aug - 30 Aug United
11 Aug - 18 Aug United
29 Aug - 05 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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