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$467+ Cheap flights from Australia 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap flight deals from Australia to Portland

Cheapest flights from Australia to Portland
Explore the most affordable flight options available from Australia to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This SmartFares deal was found by Cheapflights users on 7/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:10 am
SYD
-
PDX
1 stop18h 40m
Multiple Airlines
Tue 9/15:55 pm
PDX
-
SYD
1 stop20h 10m
Multiple Airlines
Deal found 7/28$899
This Bravofly deal was found by Cheapflights users on 7/28. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:10 am
SYD
-
PDX
1 stop31h 49m
Qantas Airways
Tue 9/15:55 pm
PDX
-
SYD
1 stop20h 10m
Qantas Airways
Deal found 7/28$900
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:10 am
SYD
-
PDX
2 stops24h 41m
American Airlines
Tue 9/16:35 am
PDX
-
SYD
1 stop31h 30m
American Airlines
Deal found 7/28$901
This Aunt Betty deal was found by Cheapflights users on 7/27. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:10 am
SYD
-
PDX
1 stop21h 25m
Qantas Airways
Wed 11/45:00 pm
PDX
-
SYD
1 stop21h 00m
Qantas Airways
Deal found 7/27$905
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:10 am
SYD
-
PDX
1 stop21h 34m
Multiple Airlines
Wed 9/93:33 pm
PDX
-
SYD
1 stop22h 32m
Multiple Airlines
Deal found 7/29$912
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:10 am
SYD
-
PDX
2 stops24h 41m
American Airlines
Wed 9/96:30 am
PDX
-
SYD
1 stop31h 35m
American Airlines
Deal found 7/28$920
This SmartFares deal was found by Cheapflights users on 7/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:45 pm
SYD
-
PDX
1 stop17h 05m
Alaska Airlines
Mon 8/177:46 am
PDX
-
SYD
1 stop18h 04m
Alaska Airlines
Deal found 7/28$925
This Aunt Betty deal was found by Cheapflights users on 7/29. 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.
Wed 10/2110:10 am
SYD
-
PDX
1 stop21h 25m
Multiple Airlines
Wed 11/45:00 pm
PDX
-
SYD
1 stop21h 00m
Multiple Airlines
Deal found 7/29$928
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:30 am
SYD
-
PDX
2 stops22h 35m
United Airlines
Wed 9/912:45 pm
PDX
-
SYD
2 stops25h 15m
United Airlines
Deal found 7/28$931
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:55 am
MEL
-
PDX
2 stops27h 20m
United Airlines
Fri 8/2810:50 am
PDX
-
MEL
2 stops27h 40m
United Airlines
Deal found 7/27$958
This Bravofly deal was found by Cheapflights users on 7/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:35 pm
BNE
-
PDX
1 stop20h 24m
Qantas Airways
Sun 9/62:53 pm
PDX
-
BNE
1 stop21h 07m
Qantas Airways
Deal found 7/29$985
This SmartFares deal was found by Cheapflights users on 7/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:35 pm
BNE
-
PDX
1 stop20h 24m
Multiple Airlines
Sun 9/61:59 pm
PDX
-
BNE
2 stops22h 01m
Multiple Airlines
Deal found 7/29$1,015

Find flight deals from Australia to Portland

Keep the following information in mind while searching for Australia to Portland flight deals. Data was last updated July 29, 2026.

Round-trip from

$899
(SmartFares)

One-way from

$467
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$953
From Australia to Portland
Search Deals
One-way flight from Australia to Portland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia 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 July 29, 2026.
Use the filters below to find and compare flights from Australia to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 8/12

9:30 am-3:05 pm

2 stops22h 35m

Portland

Wed 9/9

12:45 pm-7:00 am

2 stops25h 15m

$931

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 8/8

10:55 am-9:48 am

2 stops39h 53m

Portland

Fri 8/28

3:43 pm-8:15 am

1 stop23h 32m

$958

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 10/27

11:20 am-9:11 pm

2 stops27h 51m

Portland

Sat 10/31

11:49 pm-6:55 am

1 stop37h 06m

$961

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 10/27

9:40 pm-6:19 am

1 stop26h 39m

Portland

Sat 10/31

8:00 am-7:45 pm

1 stop17h 45m

$967

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 8/27

9:30 am-5:49 pm

2 stops25h 19m

Portland

Thu 9/3

12:45 pm-7:00 am

2 stops25h 15m

$972

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 10/23

10:15 am-4:39 pm

1 stop24h 24m

Portland

Wed 11/4

5:34 pm-8:30 am

1 stop19h 56m

$979

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Tue 9/1

8:35 pm-11:59 pm

1 stop20h 24m

Portland

Sun 9/6

2:53 pm-5:00 am

1 stop21h 07m

$985

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 9/10

8:45 pm-6:14 am

2 stops26h 29m

Portland

Thu 9/17

8:00 am-6:50 pm

1 stop17h 50m

$993

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 9/10

9:15 am-8:02 pm

2 stops27h 47m

Portland

Thu 9/17

5:10 pm-6:50 am

2 stops20h 40m

$1,013

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Tue 9/1

8:35 pm-11:59 pm

1 stop20h 24m

Portland

Sun 9/6

10:30 am-5:00 am

3 stops25h 30m

$1,016

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Australia to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Australia 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 Australia to Portland

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

Currently, October is the cheapest month in which you can book a flight from Australia to Portland (average of $875). Flying from Australia to Portland in July is currently the most expensive (average of $1,247). 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 Australia to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Australia?

    If you book a flight to Portland from Australia, you will be flying to Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland.

  • How long is the flight from Australia to Portland?

    Departing from Australia to Portland will take you 22h 35m. There are 7674 mi between Australia and Portland. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Australia to Portland?

    While some choose either Melbourne - Portland or Perth - Portland, Sydney Kingsford Smith - Portland is the most popular route from Australia to Portland.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Australia 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 Australia to Portland?

    Currently, October is the cheapest month in which you can book a flight from Australia to Portland (average of $875). Flying from Australia to Portland in July is currently the most expensive (average of $1,247). 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
Beaverton
Seaside
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Kelso
Clackamas
Troutdale
Cannon Beach
McMinnville
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham
Silverton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Australia to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Brisbane to Portland flights
Brisbane to Boise flights
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