Cheapest return flights from Ontario to Sydney in September from 1848€

AirHint found the following cheapest return flights from Ontario (ONT) to Sydney (SYD) in September 2026 (see full year).

Return flights

02 Sep - 07 Sep China Airlines
02 Sep - 09 Sep China Airlines
09 Sep - 16 Sep China Airlines
14 Sep - 28 Sep China Airlines
22 Sep - 28 Sep China Airlines
14 Sep - 20 Sep China Airlines
04 Sep - 11 Sep China Airlines
11 Sep - 18 Sep China Airlines
01 Sep - 08 Sep Qatar Airways
03 Sep - 10 Sep Qatar Airways
25 Sep - 10 Oct Qatar Airways

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

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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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