Cheapest return flights from Montreal to Sydney in October from $1440

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 October 2025 (see full year).

Return flights

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