Cheapest one-way flights from Ontario to Sydney in December from $764

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

One-Way flights

05 Dec Hawaiian Airlines
29 Dec Korean Air
26 Dec Lufthansa
27 Dec China Airlines
28 Dec China Airlines
31 Dec Japan Airlines
16 Dec Air Canada
20 Dec Lufthansa
21 Dec China Airlines
03 Dec Qatar Airways

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

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.

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