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$488+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Find cheap flights from Sydney to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Portland are usually found in October or August, booked 40 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap 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 December 12, 2025.

This Bravofly deal was found by Cheapflights users on 12/11. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:30 pmSYD - PDX
2 stops21h 51mQantas Airways
Tue 12/304:26 pmPDX - SYD
1 stop21h 34mQantas Airways
Deal found 12/11$1,251
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:30 amSYD - PDX
2 stops29h 41mQantas Airways
Sun 2/14:51 pmPDX - SYD
1 stop18h 19mQantas Airways
Deal found 12/9$1,446
This Trip.com deal was found by Cheapflights users on 12/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:20 amSYD - PDX
2 stops31h 28mMultiple Airlines
Thu 1/16:20 amPDX - SYD
1 stop31h 40mMultiple Airlines
Deal found 12/10$1,450
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:30 pmSYD - PDX
2 stops38h 00mQantas Airways
Mon 12/294:26 pmPDX - SYD
1 stop19h 59mQantas Airways
Deal found 12/10$1,461
This Bravofly deal was found by Cheapflights users on 12/11. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:15 pmSYD - PDX
3 stops40h 15mMultiple Airlines
Tue 12/304:26 pmPDX - SYD
1 stop21h 34mMultiple Airlines
Deal found 12/11$1,581
This Aunt Betty deal was found by Cheapflights users on 12/10. 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 12/219:40 pmSYD - PDX
1 stop18h 29mMultiple Airlines
Mon 2/27:00 amPDX - SYD
2 stops29h 35mMultiple Airlines
Deal found 12/10$1,600
This Mytrip deal was found by Cheapflights users on 12/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:15 amSYD - PDX
3 stops46h 25mMultiple Airlines
Mon 12/293:15 pmPDX - SYD
2 stops31h 50mMultiple Airlines
Deal found 12/10$1,666
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:30 amSYD - PDX
2 stops29h 41mMultiple Airlines
Sat 1/312:57 pmPDX - SYD
1 stop21h 28mMultiple Airlines
Deal found 12/9$1,682
This Air Canada deal was found by Cheapflights users on 12/10. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:20 pmSYD - PDX
2 stops30h 55mMultiple Airlines
Sun 2/13:15 pmPDX - SYD
1 stop23h 20mMultiple Airlines
Deal found 12/10$1,753
This BYOjet deal was found by Cheapflights users on 12/10. 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.
Sun 12/219:40 pmSYD - PDX
1 stop18h 29mHawaiian Airlines
Mon 2/27:00 amPDX - SYD
1 stop17h 45mHawaiian Airlines
Deal found 12/10$1,772
This BYOjet deal was found by Cheapflights users on 12/10. 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.
Sun 12/149:40 pmSYD - PDX
1 stop26h 45mHawaiian Airlines
Mon 12/297:00 amPDX - SYD
1 stop17h 45mHawaiian Airlines
Deal found 12/10$1,773

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$941
(Gotogate)

One-way from

$488
(Trip.com)

Popular in

January

Cheapest in

October

Average price

$1,197
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. 9% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 12, 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

Fri 5/15

6:00 am-5:33 pm

2 stops28h 33m

Portland

Mon 5/25

10:30 am-11:55 am

2 stops32h 25m

$993

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 1/25

6:00 am-8:34 pm

2 stops33h 34m

Portland

Sun 2/1

7:24 am-12:35 pm

2 stops34h 11m

$1,052

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 3/4

1:55 pm-8:53 pm

2 stops25h 58m

Portland

Sun 3/8

5:42 pm-11:35 am

2 stops23h 53m

$1,125

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 3/2

7:45 am-9:15 am

2 stops20h 30m

Portland

Mon 3/30

7:00 pm-8:20 am

1 stop19h 20m

$1,142

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 3/4

11:20 am-6:30 pm

1 stop26h 10m

Portland

Sun 3/8

9:50 am-8:35 am

1 stop28h 45m

$1,186

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 5/15

8:45 pm-10:50 pm

1 stop19h 05m

Portland

Mon 5/25

7:20 am-6:50 pm

1 stop18h 30m

$1,280

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 12/21

9:40 pm-9:09 pm

1 stop18h 29m

Portland

Mon 2/2

7:00 am-7:35 am

2 stops29h 35m

$1,600

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 12/21

6:30 am-5:11 pm

2 stops29h 41m

Portland

Sat 1/31

2:57 pm-7:25 am

1 stop21h 28m

$1,682

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 2/17

9:30 pm-9:15 am

2 stops30h 45m

$488

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 3/25

2:00 pm-8:38 pm

2 stops24h 38m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 15 results
1
2

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 December.
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 December 5, 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 $489). 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.

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 Qantas Airways and Air Canada fly from Sydney to Portland in about 25h 58m. The time it takes to get you to your destination can typically vary by up to 12m. The distance between Sydney and Portland is about 7674 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Sydney to Portland one-way?

    $497 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and Qantas Airways, with prices starting from $501 and $602, respectively.

  • 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 $489). 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
Troutdale
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Gresham

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