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$593+ Cheap flights from Sydney (SYD) to Portland (PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find cheap flights from Sydney to Portland with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Portland are usually found in October or August, booked 38 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Find flight deals from Sydney to Portland

Cheapest flights from Sydney to Portland
Explore the most affordable flight options available from Sydney to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This BYOjet deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:55 pmSYD - PDX
2 stops24h 43mAir New Zealand
Sat 11/159:49 amPDX - SYD
2 stops29h 41mAir New Zealand
Deal found 10/27$933
This BYOjet deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/11:55 pmSYD - PDX
2 stops22h 41mAir New Zealand
Sun 11/167:30 amPDX - SYD
2 stops30h 15mAir New Zealand
Deal found 10/28$951
This Air New Zealand deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:55 pmSYD - PDX
2 stops19h 51mMultiple Airlines
Wed 11/122:50 pmPDX - SYD
2 stops22h 55mMultiple Airlines
Deal found 10/28$987
This Air New Zealand deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/29:55 amSYD - PDX
2 stops25h 55mMultiple Airlines
Mon 11/172:50 pmPDX - SYD
2 stops22h 55mMultiple Airlines
Deal found 10/29$989
This Aunt Betty deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/29:40 pmSYD - PDX
1 stop18h 34mHawaiian Airlines
Mon 11/177:09 amPDX - SYD
1 stop17h 36mHawaiian Airlines
Deal found 10/29$1,067
This SmartFares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:40 pmSYD - PDX
1 stop18h 34mAlaska Airlines
Sat 11/157:09 amPDX - SYD
1 stop17h 36mAlaska Airlines
Deal found 10/27$1,070
This Aunt Betty deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:40 pmSYD - PDX
1 stop37h 38mHawaiian Airlines
Sun 11/169:55 amPDX - SYD
1 stop38h 50mHawaiian Airlines
Deal found 10/28$1,075
This Expedia deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:40 pmSYD - PDX
2 stops26h 41mAlaska Airlines
Sun 11/165:40 pmPDX - SYD
1 stop31h 05mAlaska Airlines
Deal found 10/28$1,091
This Booking.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:20 amSYD - PDX
2 stops31h 10mMultiple Airlines
Mon 2/97:00 pmPDX - SYD
2 stops32h 10mMultiple Airlines
Deal found 10/28$1,116
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:20 amSYD - PDX
1 stop24h 11mQantas Airways
Mon 2/92:57 pmPDX - SYD
2 stops23h 23mQantas Airways
Deal found 10/28$1,139

Cheap flight deals from Sydney to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,116
(Booking.com)

One-way from

$593
(SmartFares)

Popular in

December

Cheapest in

October

Average price

$840
Provider with most accurate pricing for Sydney Kingsford Smith-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Portland flights.
Search Deals
From Sydney Kingsford Smith to Portland
Search Deals
One-way flight from Sydney Kingsford Smith to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Sydney to Portland that are best for you.

Fly from

Sydney

Fly to

Portland

Route

Depart

Return

Price

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 11/27

6:20 am-6:30 pm

2 stops31h 10m

Portland

Mon 2/9

7:00 pm-10:10 pm

2 stops32h 10m

$1,116

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 11/27

11:20 am-6:30 pm

1 stop26h 10m

Portland

Mon 2/9

9:50 am-9:35 am

1 stop28h 45m

$1,141

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 11/13

11:20 am-5:12 pm

1 stop24h 52m

Portland

Sun 11/30

5:42 pm-9:00 am

1 stop20h 18m

$1,153

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 11/21

2:00 pm-12:12 am

2 stops29h 12m

Portland

Sun 11/30

9:50 am-9:35 am

1 stop28h 45m

$1,158

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 12/1

11:20 am-5:12 pm

1 stop24h 52m

Portland

Wed 12/31

5:48 pm-9:00 am

1 stop20h 12m

$1,162

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 11/13

12:10 pm-10:56 pm

2 stops29h 46m

Portland

Sun 11/30

1:00 pm-9:15 am

1 stop25h 15m

$1,170

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 12/23

11:45 am-2:40 pm

2 stops45h 55m

Portland

Fri 1/2

7:00 pm-8:45 am

2 stops42h 45m

$1,265

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 3/29

8:00 am-9:15 am

2 stops19h 15m

Portland

Sat 4/4

7:00 pm-10:20 am

2 stops22h 20m

$1,294

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 12/11

9:40 pm-9:32 am

2 stops30h 52m

Portland

Thu 12/18

5:40 pm-7:45 pm

1 stop31h 05m

$1,362

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 12/28

11:50 am-10:59 pm

1 stop30h 09m

Portland

Thu 1/15

1:35 pm-9:15 am

1 stop24h 40m

$1,363

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 20 results
1
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Compare providers for flights from Sydney to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Portland in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sydney-Portland flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sydney-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Portland flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sydney to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Sydney with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Portland

How far ahead should I book a flight from Sydney to Portland?

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Portland. Price data was last updated on October 24, 2025.

The price you pay for your flight from Sydney to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to Portland?

Currently, March is the cheapest month in which you can book a flight from Sydney to Portland (average of $485). Flying from Sydney to Portland in July is currently the most expensive (average of $966). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Sydney to Portland?

Related info for your journey

Find useful and relevant information for your journey from Sydney to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sydney to Portland?

    Airlines like Air Canada, American Airlines, and Qantas Airways fly from Sydney to Portland in about 24h 52m. The time it takes to get you to your destination can typically vary by up to 1h 18m. The distance between Sydney and Portland is about 7674 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Sydney to Portland that include hotel bookings?

    Yes. In addition to deals on Sydney to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Portland.

  • Can I find deals for business class flights from Sydney to Portland?

    Yes. Cheapflights offers flight deals from Sydney to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Portland?

    Currently, March is the cheapest month in which you can book a flight from Sydney to Portland (average of $485). Flying from Sydney to Portland in July is currently the most expensive (average of $966). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Clackamas
Lincoln City
Lake Oswego
Beaverton
McMinnville
Hillsboro
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Pacific City
Gresham
Tillamook
Troutdale

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