A sunset over Sydney's skyline, including the Sydney Opera House and Harbour Bridge.

CA $801 Cheap Flights from Portland (PDX) to Sydney (SYD)

View CA $801 flight on Mon, Sep 21, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $801 for one-way flights and CA $1,499 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Apr 5 - Mon, Apr 19
PDX
Portland
SYD
Sydney
CA $1,499 Roundtrip, found 3 days ago
CA $1,499
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Apr 5 from Portland to Sydney, returning Mon, Apr 19, priced at CA $1,499 found 3 days ago
Alaska Airlines
Tue, Sep 15 - Tue, Oct 27
PDX
Portland
SYD
Sydney
CA $1,541 Roundtrip, found 3 days ago
CA $1,541
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Sep 15 from Portland to Sydney, returning Tue, Oct 27, priced at CA $1,541 found 3 days ago
Air Canada
Wed, Jan 20 - Sun, Jan 31
PDX
Portland
SYD
Sydney
CA $1,546 Roundtrip, found 4 days ago
CA $1,546
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Jan 20 from Portland to Sydney, returning Sun, Jan 31, priced at CA $1,546 found 4 days ago
Air Canada
Wed, Jan 20 - Sun, Jan 31
PDX
Portland
SYD
Sydney
CA $1,548 Roundtrip, found 4 days ago
CA $1,548
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Jan 20 from Portland to Sydney, returning Sun, Jan 31, priced at CA $1,548 found 4 days ago
Air Canada
Wed, Jan 20 - Sun, Jan 31
PDX
Portland
SYD
Sydney
CA $1,564 Roundtrip, found 4 days ago
CA $1,564
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Jan 20 from Portland to Sydney, returning Sun, Jan 31, priced at CA $1,564 found 4 days ago
Air Canada
Tue, Sep 15 - Tue, Oct 27
PDX
Portland
SYD
Sydney
CA $1,567 Roundtrip, found 3 days ago
CA $1,567
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Sep 15 from Portland to Sydney, returning Tue, Oct 27, priced at CA $1,567 found 3 days ago
Air Canada
Wed, Jan 20 - Sun, Jan 31
PDX
Portland
SYD
Sydney
CA $1,575 Roundtrip, found 4 days ago
CA $1,575
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Jan 20 from Portland to Sydney, returning Sun, Jan 31, priced at CA $1,575 found 4 days ago
American Airlines
Sun, Nov 22 - Mon, Nov 30
PDX
Portland
SYD
Sydney
CA $1,800 Roundtrip, found 4 days ago
CA $1,800
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Nov 22 from Portland to Sydney, returning Mon, Nov 30, priced at CA $1,800 found 4 days ago
United
Sun, Nov 22 - Wed, Dec 2
PDX
Portland
SYD
Sydney
CA $1,804 Roundtrip, found 4 days ago
CA $1,804
Roundtrip
found 4 days ago
Select United flight, departing Sun, Nov 22 from Portland to Sydney, returning Wed, Dec 2, priced at CA $1,804 found 4 days ago
Air New Zealand
Mon, Apr 5 - Mon, Apr 19
PDX
Portland
SYD
Sydney
CA $1,927 Roundtrip, found 3 days ago
CA $1,927
Roundtrip
found 3 days ago
Select Air New Zealand flight, departing Mon, Apr 5 from Portland to Sydney, returning Mon, Apr 19, priced at CA $1,927 found 3 days 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 centre is 16 minutes. Flights from CA $1,664
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city centre16 min
Flights from CA $1,664

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

February is typically the cheapest month to fly

From CA $1,470 - CA $1,744 per traveller.

Frequently asked questions

How much does a flight from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) cost?
You can find cheap one-way flights from CA $801 and cheap return flights from CA $1,499 PDX to SYD with Expedia. Return flights often range between CA$1,622 and CA$6,328. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when PDX to SYD ticket fares go up or down.
What is the cheapest month to fly from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The cheapest months to fly from PDX to SYD are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Enter PDX to SYD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Portland, OR (PDX) to Sydney, NSW (SYD)?
To find a cheap flight from Portland, OR (PDX) to Sydney, NSW (SYD), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
There are approximately 41 connecting flights per day from Portland Intl. (PDX) to Kingsford Smith Intl. (SYD). Some common connection points include Los Angeles Intl. (LAX), San Francisco Intl. (SFO), and Vancouver Intl. (YVR).
What is the earliest flight from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The earliest flight from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) typically departs around 12:55 AM. This service is offered by American Airlines and Qantas Airways. This is a seasonal service, active in June, July, August, and September. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
You'll typically find the most flights from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) on a Thursday, with around 46 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, United, and American Airlines. Flight options are notably more plentiful on Thursdays compared to other days of the week, offering you more flexibility.
What are the most popular departure times for flights from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The most popular departure times for flights from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) are in the afternoon, from 3pm to 6pm. Many major carriers, including Delta, Alaska Airlines and United, offer flights during this window. Many travellers prefer these times as they allow you to have a full day before your flight and arrive in Sydney at a convenient time.
How long does it take to fly from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
There are no nonstop flights from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.). The journey covers a distance of approximately 12,360 kilometres. Flights with one stop typically take around 22 hours 48 minutes. If your flight has two or more stops, you can expect the travel time to be longer, usually around 24 hours 30 minutes. Keep in mind that these are average times, and your actual travel duration can vary depending on the specific route, layover times, and factors like wind patterns.
Can you fly business or first class from Portland, OR (PDX-Portland Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Yes, you can fly business class or first class between PDX and SYD. Airlines that offer business class service on this route include:
  • Alaska Airlines
  • Delta
  • United
  • American Airlines
First class cabins are available on Alaska Airlines and American Airlines.
How do I earn miles on a Portland, OR (PDX) to Sydney, NSW (SYD) flight with Expedia?
It's easy to earn miles on a Portland, OR (PDX) to Sydney, NSW (SYD) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sydney, NSW (SYD) from Portland, OR (PDX)?
If you're planning to travel to Sydney from Portland Intl. (PDX), you can fly directly into Kingsford Smith Intl. (SYD). Some flights may connect through major hubs like San Francisco Intl. (SFO), Vancouver Intl. (YVR), or Los Angeles Intl. (LAX) before reaching Sydney. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Portland, OR (PDX) to Sydney, NSW (SYD) at the last minute?
Typically, booking a last minute flight from Portland, OR (PDX) to Sydney, NSW (SYD) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Portland, OR (PDX) to Sydney, NSW (SYD) flight and hotel package?
Securing a Portland, OR (PDX) to Sydney, NSW (SYD) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland, OR (PDX) to Sydney, NSW (SYD)?
If you booked your Portland, OR (PDX) to Sydney, NSW (SYD) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, Alaska Airlines, American Airlines, British Airways, Cathay Pacific, Delta, Korean Air, Qantas Airways
Roundtrip price
CA $1,499
Distance
12286 km

Book with confidence

Portland to Sydney Flights

The easy way to book your flights from Portland to Sydney 

With Expedia, it’s simple to find and book flights to Sydney from Portland whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Kingsford Smith Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Portland to Sydney today, tomorrow, or this week.  

 

Save dollars with cheap flights from Portland Intl., PDX to Kingsford Smith Intl., SYD 

Sort your search results by price to find great deals on your flight from Portland to Sydney—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Sydney from Portland currently is just CA $1,499 rising to CA $1,927.  

Here are more money-saving tips: 

  • Fly in April when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Sydney  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Sydney from Portland 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Sydney with Expedia today.

Portland to Sydney Flights

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