AirHint found the following cheapest return flights from Toronto (YTZ) to Sydney (SYD) in August 2025 (see full year).

Return flights

22 Aug - 27 Aug	Air Canada
16 Aug - 23 Aug	Porter Airlines (Canada) Ltd
06 Aug - 13 Aug	Porter Airlines (Canada) Ltd
19 Aug - 30 Aug	Air Canada
20 Aug - 10 Sep	Emirates
25 Aug - 10 Sep	Emirates
27 Aug - 08 Sep	Emirates
27 Aug - 03 Sep	Emirates
09 Aug - 29 Aug	Emirates
13 Aug - 27 Aug	Emirates
25 Aug - 01 Sep	Emirates
13 Aug - 20 Aug	Emirates
11 Aug - 25 Aug	Emirates
23 Aug - 31 Aug	Emirates
22 Aug - 31 Aug	Emirates

Also check the deals for one-way flights from Toronto to Sydney in August.

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 Toronto to Sydney in August from $1418

Return flights