Cheapest return flights from Ontario to Sydney in August from $1035

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

Return flights

01 Aug - 16 Aug Alaska Airlines
29 Aug - 05 Sep Alaska Airlines
21 Aug - 01 Sep Alaska Airlines
09 Aug - 23 Aug Air New Zealand
17 Aug - 24 Aug Alaska Airlines
24 Aug - 09 Sep China Airlines
15 Aug - 30 Aug China Airlines
21 Aug - 07 Sep China Airlines
25 Aug - 07 Sep China Airlines
19 Aug - 02 Sep China Airlines
03 Aug - 09 Aug China Airlines
26 Aug - 08 Sep Qatar Airways
24 Aug - 02 Sep Qatar Airways
25 Aug - 08 Sep Qatar Airways
27 Aug - 10 Sep Qatar Airways
01 Aug - 25 Aug Qatar Airways
04 Aug - 18 Aug Qatar Airways
06 Aug - 20 Aug Qatar Airways

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

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