Cheapest one-way flights from Ontario to Sydney in July from $508

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

One-Way flights

28 Jul United
07 Jul Frontier Airlines
05 Jul Frontier Airlines
19 Jul Frontier Airlines
10 Jul Frontier Airlines
04 Jul China Airlines
02 Jul Alaska Airlines
30 Jul Hawaiian Airlines
14 Jul Frontier Airlines
16 Jul Frontier Airlines

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

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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