Cheapest return flights from Montreal to Sydney in October from $1529

AirHint found the following cheapest return flights from Montreal (YUL) to Sydney (SYD) in October 2026 (see full year).

Return flights

12 Oct - 19 Oct WestJet
08 Oct - 15 Oct WestJet
13 Oct - 20 Oct WestJet
18 Oct - 25 Oct WestJet
15 Oct - 22 Oct WestJet
04 Oct - 11 Oct ANA
06 Oct - 13 Oct United
14 Oct - 21 Oct United
07 Oct - 14 Oct United
11 Oct - 18 Oct United
25 Oct - 01 Nov United
26 Oct - 02 Nov United
27 Oct - 03 Nov United

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

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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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