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

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

One-Way flights

15 Mar Alaska Airlines
11 Mar Alaska Airlines
12 Mar Alaska Airlines
10 Mar Alaska Airlines
20 Mar Alaska Airlines
02 Mar Hawaiian Airlines
01 Mar Alaska Airlines
04 Mar Alaska Airlines
09 Mar Asiana Airlines
23 Mar Korean Air

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

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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