Cheapest return flights from Montreal to Sydney in October from $1125

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

Return flights

15 Oct - 22 Oct Porter Airlines (Canada) Ltd
17 Oct - 24 Oct WestJet
26 Oct - 02 Nov Air New Zealand
22 Oct - 29 Oct Porter Airlines (Canada) Ltd
14 Oct - 21 Oct Air New Zealand
19 Oct - 26 Oct Air New Zealand
21 Oct - 28 Oct Air New Zealand
28 Oct - 04 Nov Air New Zealand
23 Oct - 30 Oct Porter Airlines (Canada) Ltd
15 Oct - 11 Nov Air New Zealand
13 Oct - 20 Oct Air New Zealand
21 Oct - 30 Oct Porter Airlines (Canada) Ltd
18 Oct - 25 Oct Air New Zealand
29 Oct - 05 Nov Air New Zealand
27 Oct - 03 Nov Air New Zealand
25 Oct - 01 Nov Air New Zealand
31 Oct - 07 Nov Air New Zealand
12 Oct - 02 Nov Air New Zealand
30 Oct - 06 Nov Air New Zealand

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

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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