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

Return flights

04 Oct - 18 Oct	Air Canada
01 Oct - 15 Oct	Emirates
21 Oct - 26 Oct	Emirates
15 Oct - 19 Oct	Emirates
01 Oct - 29 Oct	Emirates
01 Oct - 09 Oct	Emirates
23 Oct - 13 Nov	Emirates
28 Oct - 20 Nov	Emirates
23 Oct - 25 Nov	Emirates
21 Oct - 25 Nov	Emirates
17 Oct - 19 Oct	Emirates
04 Oct - 06 Nov	Emirates
24 Oct - 25 Nov	Emirates
25 Oct - 23 Nov	Emirates
25 Oct - 26 Nov	Emirates
18 Oct - 26 Oct	Emirates
25 Oct - 30 Nov	Emirates
24 Oct - 02 Nov	Emirates
11 Oct - 19 Oct	Emirates
03 Oct - 26 Oct	Emirates

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

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 October from $2313

Return flights