Cheapest one-way flights from Ontario to Sydney in December from $1002

AirHint found the following cheapest one-way flights from Ontario (ONT) to Sydney (SYD) in December 2025 (see full year).

One-Way flights

09 Dec Hawaiian Airlines
05 Dec WestJet
24 Dec Air Canada
28 Dec Hawaiian Airlines
07 Dec China Airlines
06 Dec China Airlines
04 Dec China Airlines
22 Dec Hawaiian Airlines
08 Dec Japan Airlines
14 Dec China Airlines

Also check the deals for return flights from Ontario to Sydney in December.

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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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