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

Return flights

28 Jul - 04 Aug	Air New Zealand
26 Jul - 02 Aug	United
27 Jul - 03 Aug	United
29 Jul - 05 Aug	United
30 Jul - 06 Aug	Air New Zealand
07 Jul - 14 Jul	WestJet
24 Jul - 31 Jul	United
25 Jul - 01 Aug	United
31 Jul - 07 Aug	United
01 Jul - 08 Jul	Air Canada
23 Jul - 30 Jul	Air Canada
08 Jul - 15 Jul	Air New Zealand
05 Jul - 20 Jul	Air Canada
15 Jul - 22 Jul	ANA
21 Jul - 28 Jul	United
17 Jul - 07 Aug	Air Canada
12 Jul - 19 Jul	Air New Zealand
13 Jul - 20 Jul	Air New Zealand

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

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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Cheapest return flights from Montreal to Sydney in July from $1525

Return flights