$728 Cheap Flights from Sydney (SYD) to Portland (PWM)

View $728 flight on Tue, Aug 12, 2025Opens in a new window

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

Cheap Flights from Sydney to Portland (SYD-PWM)

Prices were available within the past 7 days and start at $728 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Sydney (SYD) to Portland (PWM)
Origin airport
Kingsford Smith Intl.
Destination airport
Portland Intl. Jetport
Distance
10130 mi

Sydney to Portland Flights

The cheapest times to fly from Sydney to Portland

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 Sydney to Portland are during the month of . You can find some of the cheapest flights from Sydney to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sydney to Portland

Sunday is one of the best days to book for cheap flights from Sydney to Portland: 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 Sydney to Portland

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 Sydney to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $728 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 Sydney to Portland 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 Sydney to Portland 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 Kingsford Smith Intl. Airport (SYD) to Portland Intl. Jetport Airport (PWM) cost?
Discover the latest flight deals from SYD to PWM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SYD to PWM?
The cheapest flights from SYD to PWM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SYD to PWM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SYD to PWM. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Portland Intl. Jetport Airport (PWM)?
There aren't any daily direct flights departing from Kingsford Smith Intl. Airport (SYD) to Portland Intl. Jetport Airport (PWM). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from SYD to PWM?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Portland Intl. Jetport Airport (PWM)?
To arrive at Portland Intl. Jetport Airport (PWM) on time, book a flight that leaves from Kingsford Smith Intl. Airport (SYD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Kingsford Smith Intl. Airport (SYD) to Portland Intl. Jetport Airport (PWM) last-minute?
Holding off until just before your trip to book a flight from SYD to PWM often results in higher prices. Although you may find some last-minute deals, there's no guarantee. Keep your travel plans flexible for a better chance of snagging a bargain.
Is it cheaper to book a SYD to PWM flight and hotel package?
You'll generally save money by booking a SYD to PWM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your ideal flights and accommodations, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Portland Intl. Jetport Airport (PWM)?
If you reserved your SYD to PWM flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.