Cheapest return flights from Ontario to Sydney in August from $1050

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

Return flights

26 Aug - 01 Sep Alaska Airlines
22 Aug - 29 Aug Alaska Airlines
05 Aug - 14 Aug Alaska Airlines
10 Aug - 14 Aug Alaska Airlines
14 Aug - 30 Aug Alaska Airlines
01 Aug - 15 Aug Alaska Airlines
24 Aug - 02 Sep Virgin Australia
04 Aug - 12 Aug Virgin Australia
02 Aug - 15 Aug Virgin Australia
24 Aug - 07 Sep China Airlines
25 Aug - 04 Sep China Airlines
28 Aug - 31 Aug China Airlines
07 Aug - 17 Aug China Airlines
02 Aug - 16 Aug China Airlines
26 Aug - 02 Sep China Airlines
26 Aug - 04 Sep Qatar Airways
26 Aug - 09 Sep Qatar Airways
28 Aug - 12 Sep Qatar Airways

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

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