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

Return flights

01 Jun - 08 Jun	Air Canada
03 Jun - 10 Jun	Air Canada
02 Jun - 09 Jun	Air Canada
05 Jun - 12 Jun	Air Canada
04 Jun - 11 Jun	Air Canada
08 Jun - 22 Jun	Qatar Airways
09 Jun - 16 Jun	Qatar Airways
08 Jun - 15 Jun	Qatar Airways
10 Jun - 17 Jun	Air Canada
07 Jun - 14 Jun	Qatar Airways
29 Jun - 06 Jul	Air Canada
28 Jun - 05 Jul	Air Canada
30 Jun - 07 Jul	Air Canada
24 Jun - 01 Jul	Air Canada
27 Jun - 04 Jul	Air Canada
18 Jun - 04 Jul	Air Canada
25 Jun - 02 Jul	Air Canada
26 Jun - 03 Jul	Air Canada

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

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 June from $1390

Return flights