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$480+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Portland are usually found in August or September, booked 38 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

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 September 11, 2025.

Round-trip from

$766
(BYOjet)

One-way from

$480
(Jettzy)

Popular in

December

Cheapest in

August

Average price

$1,010
From Sydney Kingsford Smith to Portland
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One-way flight from Sydney Kingsford Smith to Portland
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Highest demand for flights based on searches. 14% potential increase in price ($192 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This BYOjet deal was found by Cheapflights users on 9/11. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:20 amSYD - PDX
1 stop16h 55mMultiple Airlines
Sun 11/27:00 pmPDX - SYD
2 stops23h 00mMultiple Airlines
Deal found 9/11$766
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Tue 11/119:30 pmSYD - PDX
2 stops30h 45mMultiple Airlines
Tue 11/183:15 pmPDX - SYD
1 stop23h 20mMultiple Airlines
Deal found 9/10$802
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:10 amSYD - PDX
1 stop29h 06mAmerican Airlines
Tue 9/169:00 amPDX - SYD
1 stop28h 55mAmerican Airlines
Deal found 9/10$806
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:10 amSYD - PDX
1 stop29h 06mAmerican Airlines
Wed 9/1711:42 amPDX - SYD
1 stop26h 13mAmerican Airlines
Deal found 9/11$808
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/149:40 pmSYD - PDX
1 stop18h 00mHawaiian Airlines
Mon 9/157:40 amPDX - SYD
1 stop19h 05mHawaiian Airlines
Deal found 9/9$813
This Jetabroad deal was found by Cheapflights users on 9/11. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:40 pmSYD - PDX
1 stop18h 00mHawaiian Airlines
Wed 9/177:00 amPDX - SYD
2 stops19h 45mHawaiian Airlines
Deal found 9/11$818
This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:20 amSYD - PDX
2 stops20h 55mMultiple Airlines
Fri 11/289:50 amPDX - SYD
1 stop28h 45mMultiple Airlines
Deal found 9/11$819
This SmartFares deal was found by Cheapflights users on 9/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:40 pmSYD - PDX
1 stop26h 54mAlaska Airlines
Tue 11/1810:25 amPDX - SYD
1 stop38h 20mAlaska Airlines
Deal found 9/10$825
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:20 amSYD - PDX
2 stops27h 29mAmerican Airlines
Wed 11/127:40 amPDX - SYD
2 stops30h 20mAmerican Airlines
Deal found 9/10$828

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 September 11, 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

Sun 10/26

10:20 am-9:15 am

1 stop16h 55m

Portland

Sun 11/2

7:00 pm-1:00 pm

2 stops23h 00m

$766

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 11/11

9:30 pm-9:15 am

2 stops30h 45m

Portland

Tue 11/18

3:15 pm-9:35 am

1 stop23h 20m

$802

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 11/21

7:20 am-9:15 am

2 stops20h 55m

Portland

Fri 11/28

9:50 am-9:35 am

1 stop28h 45m

$819

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 11/5

11:20 am-5:12 pm

1 stop24h 52m

Portland

Wed 11/12

11:40 am-9:00 am

2 stops26h 20m

$829

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 11/21

9:40 pm-9:43 pm

1 stop19h 03m

Portland

Fri 11/28

7:00 am-7:45 pm

1 stop17h 45m

$830

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sat 10/25

10:30 am-7:26 pm

2 stops26h 56m

Portland

Sat 11/1

4:02 pm-9:15 am

2 stops23h 13m

$845

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 12/1

12:10 pm-10:53 am

1 stop17h 43m

Portland

Wed 12/31

7:45 pm-9:15 am

1 stop18h 30m

$851

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 11/13

11:20 am-9:15 am

1 stop16h 55m

$480

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 10/1

9:20 am-9:20 am

1 stop17h 00m

$480

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 10/22

10:20 am-9:20 am

1 stop17h 00m

$480

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 12 results
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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 August 29, 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, November is the cheapest month in which you can book a flight from Sydney to Portland (average of $277). Flying from Sydney to Portland in March is currently the most expensive (average of $368). 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 American Airlines 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 . The distance between Sydney and Portland is about 7674 mi.

  • 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, November is the cheapest month in which you can book a flight from Sydney to Portland (average of $277). Flying from Sydney to Portland in March is currently the most expensive (average of $368). 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
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
Troutdale
Tillamook
Gresham
Silverton

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