Alaska Airlines Cheap Flights from Ontario to Australia
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Deals on flights from Ontario to Australia.*
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Ontario (ONT)to
Sydney (SYD)Depart: Nov 17, 2026
From
$717
Seen: 16 hours ago
One-way
Saver
Ontario (ONT)to
Sydney (SYD)Depart: Nov 15, 2026
From
$717
Seen: 16 hours ago
One-way
Saver
Ontario (ONT)to
Sydney (SYD)Depart: Dec 1, 2026
From
$717
Seen: 16 hours ago
One-way
Saver
Ontario (ONT)to
Sydney (SYD)Depart: Nov 18, 2026
From
$777
Seen: 16 hours ago
One-way
Saver
Ontario (ONT)to
Sydney (SYD)Depart: Dec 3, 2026
From
$777
Seen: 16 hours ago
One-way
Saver
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
One-way low-fare flights Ontario to Australia.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Dec 1, 2026 | From $717 Seen: 16 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Feb 17, 2027 | From $720 Seen: 16 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Feb 23, 2027 | From $720 Seen: 16 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Feb 24, 2027 | From $720 Seen: 16 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Feb 10, 2027 | From $720 Seen: 16 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Mar 3, 2027 | From $720 Seen: 16 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.