Cheapest return flights from Toronto to Sydney in September from $1241

Best time to book flights for Toronto (YYZ) to Sydney (SYD) flights at AirHint

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

Return flights

26 Sep - 18 Oct WestJet
26 Sep - 19 Oct WestJet
17 Sep - 29 Sep Air New Zealand
01 Sep - 15 Sep Air New Zealand
24 Sep - 08 Oct Air New Zealand
11 Sep - 24 Sep Air New Zealand
19 Sep - 28 Sep Air New Zealand
01 Sep - 20 Sep Air New Zealand
09 Sep - 19 Sep Air New Zealand
12 Sep - 21 Sep Air New Zealand
05 Sep - 26 Sep Air New Zealand
18 Sep - 29 Sep Air New Zealand
10 Sep - 19 Sep Air New Zealand

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

Skyscanner

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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney