$562 Cheap Flights from Portland (PWM) to Sydney (SYD)

View $562 flight on Wed, Aug 26, 2026Opens in a new window

Popular airlines from Portland Intl. Jetport Airport (PWM) to Sydney Airport (SYD)

Cheap Flights from Portland to Sydney (PWM-SYD)

Prices were available within the past 7 days and start at $562 for one-way flights and $1,295 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Apr 8 - Tue, Apr 28
PWM
Portland
SYD
Sydney
$1,295 Roundtrip, found 5 hours ago
$1,295
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Apr 8 from Portland to Sydney, returning Tue, Apr 28, priced at $1,295 found 5 hours ago
United
Wed, Apr 1 - Mon, Apr 20
PWM
Portland
SYD
Sydney
$1,295 Roundtrip, found 5 hours ago
$1,295
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Apr 1 from Portland to Sydney, returning Mon, Apr 20, priced at $1,295 found 5 hours ago
Delta
Wed, May 20 - Sun, Jun 7
PWM
Portland
SYD
Sydney
$1,295 Roundtrip, found 5 hours ago
$1,295
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, May 20 from Portland to Sydney, returning Sun, Jun 7, priced at $1,295 found 5 hours ago
United
Sun, Nov 9 - Mon, Nov 24
PWM
Portland
SYD
Sydney
$1,297 Roundtrip, found 5 days ago
$1,297
Roundtrip
found 5 days ago
Select United flight, departing Sun, Nov 9 from Portland to Sydney, returning Mon, Nov 24, priced at $1,297 found 5 days ago
American Airlines
Mon, Dec 1 - Wed, Dec 17
PWM
Portland
SYD
Sydney
$1,298 Roundtrip, found 3 days ago
$1,298
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 1 from Portland to Sydney, returning Wed, Dec 17, priced at $1,298 found 3 days ago
United
Mon, Nov 3 - Wed, Nov 19
PWM
Portland
SYD
Sydney
$1,301 Roundtrip, found 3 days ago
$1,301
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 3 from Portland to Sydney, returning Wed, Nov 19, priced at $1,301 found 3 days ago
United
Mon, Nov 3 - Wed, Nov 19
PWM
Portland
SYD
Sydney
$1,302 Roundtrip, found 3 days ago
$1,302
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 3 from Portland to Sydney, returning Wed, Nov 19, priced at $1,302 found 3 days ago
Delta
Mon, Nov 3 - Wed, Nov 19
PWM
Portland
SYD
Sydney
$1,302 Roundtrip, found 3 days ago
$1,302
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Nov 3 from Portland to Sydney, returning Wed, Nov 19, priced at $1,302 found 3 days ago
Qatar Airways
Mon, Apr 27 - Thu, May 14
PWM
Portland
SYD
Sydney
$2,098 Roundtrip, found 1 day ago
$2,098
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Mon, Apr 27 from Portland to Sydney, returning Thu, May 14, priced at $2,098 found 1 day ago
Turkish Airlines
Mon, Apr 27 - Thu, May 14
PWM
Portland
SYD
Sydney
$2,111 Roundtrip, found 1 day ago
$2,111
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Mon, Apr 27 from Portland to Sydney, returning Thu, May 14, priced at $2,111 found 1 day ago

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $1,295
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city center16 min
Flights from $1,295
Flights from Portland (PWM) to Sydney (SYD)
Origin airport
Portland Intl. Jetport
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, American Airlines, Delta, Korean Air, Qatar Airways, United
Roundtrip price
$1,294
Distance
10130 mi

Portland to Sydney Flights

The cheapest times to fly from Portland to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Sydney are during the month of April. You can find some of the cheapest flights from Portland to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Sydney

Sunday is one of the best days to book for cheap flights from Portland to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $562 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Jetport Airport (PWM) to Kingsford Smith Intl. Airport (SYD) cost?
Lock in a cheap one-way flight from $562 or cheap return flight from $1,295 from Portland Intl. Jetport Airport (PWM) to Kingsford Smith Intl. Airport (SYD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Jetport Airport (PWM) to Kingsford Smith Intl. Airport (SYD)?
Traveling in April is a great way to save, as it's the cheapest month for flights between PWM and SYD. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Portland Intl. Jetport Airport (PWM) to Kingsford Smith Intl. Airport (SYD)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PWM to SYD flight.
How many flights per day from Portland Intl. Jetport Airport (PWM) to Kingsford Smith Intl. Airport (SYD)?
There are no daily nonstop flights from Portland Intl. Jetport Airport (PWM) to Kingsford Smith Intl. Airport (SYD). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from PWM to SYD?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Jetport Airport (PWM) to Kingsford Smith Intl. Airport (SYD)?
To avoid potential delays on the Portland Intl. Jetport Airport (PWM) to Kingsford Smith Intl. Airport (SYD) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Jetport Airport (PWM) to Kingsford Smith Intl. Airport (SYD) last-minute?
Waiting until right before your break to book your flight from PWM to SYD generally means paying more. While you may find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for the best chance of getting a bargain.
Is it cheaper to book a PWM to SYD flight and hotel package?
You can save money by booking a PWM to SYD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your ideal accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Portland Intl. Jetport Airport (PWM) to Kingsford Smith Intl. Airport (SYD)?
Typically, you can modify or cancel your PWM to SYD flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, visit our Customer Service portal.

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*Available to One Key members.