NZ$1,173 Cheap Flights Portland to Sydney (PDX-SYD)

View NZ$1,173 flight on Mon, 29 Sep. 2025Opens in a new window

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Cheap Flights from Portland (PDX) to Sydney (SYD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu., 12 Jun. - Thu., 19 Jun.
PDX
Portland
SYD
Sydney
NZ$2,292 Return, found 18 hours ago
NZ$2,292
Return
found 18 hours ago
Select Delta flight, departing Thu., 12 Jun. from Portland to Sydney, returning Thu., 19 Jun., priced at NZ$2,292 found 18 hours ago
Delta
Thu., 12 Jun. - Thu., 19 Jun.
PDX
Portland
SYD
Sydney
NZ$2,301 Return, found 18 hours ago
NZ$2,301
Return
found 18 hours ago
Select Delta flight, departing Thu., 12 Jun. from Portland to Sydney, returning Thu., 19 Jun., priced at NZ$2,301 found 18 hours ago
Alaska Airlines
Sun., 15 Jun. - Thu., 19 Jun.
PDX
Portland
SYD
Sydney
NZ$2,324 Return, found 3 days ago
NZ$2,324
Return
found 3 days ago
Select Alaska Airlines flight, departing Sun., 15 Jun. from Portland to Sydney, returning Thu., 19 Jun., priced at NZ$2,324 found 3 days ago
Alaska Airlines
Sun., 8 Jun. - Sun., 15 Jun.
PDX
Portland
SYD
Sydney
NZ$2,326 Return, found 4 days ago
NZ$2,326
Return
found 4 days ago
Select Alaska Airlines flight, departing Sun., 8 Jun. from Portland to Sydney, returning Sun., 15 Jun., priced at NZ$2,326 found 4 days ago
Alaska Airlines
Thu., 12 Jun. - Thu., 19 Jun.
PDX
Portland
SYD
Sydney
NZ$2,332 Return, found 18 hours ago
NZ$2,332
Return
found 18 hours ago
Select Alaska Airlines flight, departing Thu., 12 Jun. from Portland to Sydney, returning Thu., 19 Jun., priced at NZ$2,332 found 18 hours ago
All Nippon Airways
Fri., 6 Jun. - Fri., 13 Jun.
PDX
Portland
SYD
Sydney
NZ$2,333 Return, found 6 days ago
NZ$2,333
Return
found 6 days ago
Select All Nippon Airways flight, departing Fri., 6 Jun. from Portland to Sydney, returning Fri., 13 Jun., priced at NZ$2,333 found 6 days ago
Qantas Airways
Sun., 8 Jun. - Sun., 15 Jun.
PDX
Portland
SYD
Sydney
NZ$2,393 Return, found 4 days ago
NZ$2,393
Return
found 4 days ago
Select Qantas Airways flight, departing Sun., 8 Jun. from Portland to Sydney, returning Sun., 15 Jun., priced at NZ$2,393 found 4 days ago
Alaska Airlines
Sun., 8 Jun. - Sun., 15 Jun.
PDX
Portland
SYD
Sydney
NZ$2,395 Return, found 4 days ago
NZ$2,395
Return
found 4 days ago
Select Alaska Airlines flight, departing Sun., 8 Jun. from Portland to Sydney, returning Sun., 15 Jun., priced at NZ$2,395 found 4 days ago
Air Canada
Fri., 6 Jun. - Fri., 13 Jun.
PDX
Portland
SYD
Sydney
NZ$2,418 Return, found 6 days ago
NZ$2,418
Return
found 6 days ago
Select Air Canada flight, departing Fri., 6 Jun. from Portland to Sydney, returning Fri., 13 Jun., priced at NZ$2,418 found 6 days ago
Delta
Sun., 8 Jun. - Sun., 15 Jun.
PDX
Portland
SYD
Sydney
NZ$2,442 Return, found 4 days ago
NZ$2,442
Return
found 4 days ago
Select Delta flight, departing Sun., 8 Jun. from Portland to Sydney, returning Sun., 15 Jun., priced at NZ$2,442 found 4 days ago

Frequently asked questions

How much is a flight from PDX Airport to SYD?
Start packing your suitcase, because round-trip flights between Portland Intl. Airport (PDX) and Kingsford Smith Intl. Airport (SYD) start from NZ$2,292. That’s based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PDX Airport to Kingsford Smith Intl. Airport (SYD)?
The majority of flights can be cancelled online, but every airline has its own terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Portland Intl. Airport (PDX) to SYD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for PDX to Mascot Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Portland Intl. Airport (PDX) to SYD?
The distance is around 12 400 kilometres, so pack your carry-on bag with all the items you need to make your journey comfortable. Wondering what to take on board your Portland to Sydney flight? A neck pillow, earplugs and a sleep mask are among the essentials.
Which airlines fly direct from Portland Intl. Airport (PDX) to Sydney Airport?
You won’t find any airlines operating directly between PDX Airport and Kingsford Smith Intl. Airport (SYD), so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a nice way to break up a trip!
Are PDX Airport to Sydney Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from PDX Airport to Sydney Airport can be hit-or-miss. You might be lucky and score a bargain, but then again, you could miss out altogether! If you’d rather start planning early on, Expedia compares flight deals up to a year in advance. Just remember that not all airlines release their prices so far in advance. Our top tip? Check back often as prices are updated regularly.
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