Cheapest one-way flights from Ontario to Sydney in January from $630

AirHint found the following cheapest one-way flights from Ontario (ONT) to Sydney (SYD) in January 2026 (see full year).

One-Way flights

10 Jan Alaska Airlines
23 Jan Alaska Airlines
21 Jan Hawaiian Airlines
16 Jan Alaska Airlines
29 Jan Alaska Airlines
12 Jan Alaska Airlines
11 Jan Alaska Airlines
20 Jan Alaska Airlines
24 Jan Hawaiian Airlines
04 Jan Hawaiian Airlines

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

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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