S$747 Cheap Flights from Portland to Sydney

View S$747 flight on Thu, 23 Apr, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Sydney Airport (SYD)

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Cheap Flights from Portland to Sydney (PDX-SYD)

Prices were available within the past 7 days and start at S$747 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Portland (PDX) to Sydney (SYD)

August is typically the cheapest month to fly

From S$1,001 - S$1,580 per traveller.
Portland to Sydney route information
Origin airport
Portland Intl.
Destination airport
Kingsford Smith Intl.
Distance
12286 km

Flights from Portland to Sydney

There are several airlines that operate frequent flights from Portland (PDX) to Sydney (SYD) including

The earliest flight leaves Portland Intl. Airport at 07:00 and arrives at Kingsford Smith Intl. Airport at 05:35. The last flight of the day departs Portland at 20:35 and arrives at Sydney at 20:05.

The flight distance from Portland to Sydney is about 13248 km, the shortest flight is 17 hours 45 minutes with Virgin Australia.

Expedia lets you search across the largest number of airlines and Sydney flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Portland Sydney flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Portland to Sydney trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Sydney flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Portland to Sydney with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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 . 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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