Cheapest return flights from Montreal to Sydney in October from 854€

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 Porter Airlines (Canada) Ltd
20 Oct - 27 Oct Air Transat
21 Oct - 28 Oct Porter Airlines (Canada) Ltd
13 Oct - 20 Oct Air Transat
16 Oct - 23 Oct Porter Airlines (Canada) Ltd
23 Oct - 30 Oct Porter Airlines (Canada) Ltd
22 Oct - 29 Oct Porter Airlines (Canada) Ltd
14 Oct - 21 Oct Porter Airlines (Canada) Ltd
26 Oct - 02 Nov Porter Airlines (Canada) Ltd
27 Oct - 03 Nov Porter Airlines (Canada) Ltd
08 Oct - 15 Oct Porter Airlines (Canada) Ltd
25 Oct - 01 Nov Porter Airlines (Canada) Ltd
28 Oct - 04 Nov Air New Zealand
31 Oct - 07 Nov WestJet
30 Oct - 06 Nov WestJet
06 Oct - 05 Nov Air Transat
16 Oct - 14 Nov Porter Airlines (Canada) Ltd
29 Oct - 05 Nov Air New Zealand
22 Oct - 01 Nov United

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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