Cheapest one-way flights from Montreal to Sydney in October from 513€

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

One-Way flights

21 Oct WestJet
18 Oct WestJet
20 Oct Porter Airlines (Canada) Ltd
30 Oct Porter Airlines (Canada) Ltd
15 Oct WestJet
19 Oct WestJet
14 Oct WestJet
04 Oct Porter Airlines (Canada) Ltd
01 Oct Porter Airlines (Canada) Ltd
03 Oct WestJet

Also check the deals for return 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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney

Feel free to contact us with any feedback or request another flight research.