Alaska Airlines Cheap Flights from Portland to Australia
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Deals on flights from Portland to Australia.*
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Portland (PDX)to
Sydney (SYD)Depart: Nov 22, 2026
From
$550
Seen: 16 hours ago
One-way
Saver
Portland (PDX)to
Sydney (SYD)Depart: Nov 24, 2026
From
$550
Seen: 16 hours ago
One-way
Saver
Portland (PDX)to
Sydney (SYD)Depart: Nov 25, 2026
From
$550
Seen: 16 hours ago
One-way
Saver
Portland (PDX)to
Sydney (SYD)Depart: Nov 15, 2026
From
$550
Seen: 16 hours ago
One-way
Saver
Portland (PDX)to
Sydney (SYD)Depart: Nov 26, 2026
From
$550
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 Portland to Australia.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Apr 21, 2027 | From $550 Seen: 16 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Apr 18, 2027 | From $550 Seen: 16 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: May 4, 2027 | From $550 Seen: 16 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: May 6, 2027 | From $550 Seen: 16 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: May 7, 2027 | From $550 Seen: 16 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Apr 20, 2027 | From $550 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.