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$448+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find 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 November 6, 2025.

This BYOjet deal was found by Cheapflights users on 11/5. 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 11/911:20 amSYD - PDX
1 stop16h 55mAir Canada
Mon 11/243:15 pmPDX - SYD
1 stop23h 20mAir Canada
Deal found 11/5$786
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/12:05 pmSYD - PDX
1 stop24h 05mAmerican Airlines
Wed 12/316:20 amPDX - SYD
1 stop31h 40mAmerican Airlines
Deal found 11/5$864
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sun 11/911:20 amSYD - PDX
3 stops30h 31mUnited Airlines
Mon 11/243:54 pmPDX - SYD
1 stop22h 21mUnited Airlines
Deal found 11/5$902
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Mon 12/2211:30 amMEL - PDX
2 stops28h 37mUnited Airlines
Mon 12/297:30 amPDX - MEL
1 stop31h 30mUnited Airlines
Deal found 11/6$924
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Mon 12/151:00 pmMEL - PDX
1 stop20h 47mUnited Airlines
Mon 12/293:54 pmPDX - MEL
1 stop23h 06mUnited Airlines
Deal found 11/6$934
This Qantas Airways deal was found by Cheapflights users on 11/4. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1612:00 pmMEL - PDX
1 stop24h 12mQantas Airways
Mon 12/14:30 pmPDX - MEL
1 stop22h 00mQantas Airways
Deal found 11/4$937
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Sun 11/1612:00 pmMEL - PDX
1 stop24h 12mAmerican Airlines
Mon 12/15:30 amPDX - MEL
1 stop28h 30mAmerican Airlines
Deal found 11/5$946
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sun 11/1611:30 amMEL - PDX
2 stops28h 56mUnited Airlines
Mon 12/17:38 pmPDX - MEL
1 stop19h 22mUnited Airlines
Deal found 11/5$961
This Qantas Airways deal was found by Cheapflights users on 11/4. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:20 pmMEL - PDX
3 stops23h 20mMultiple Airlines
Mon 12/14:30 pmPDX - MEL
1 stop22h 00mMultiple Airlines
Deal found 11/4$966
This Air Canada deal was found by Cheapflights users on 11/5. 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 11/59:55 pmSYD - PDX
2 stops30h 20mMultiple Airlines
Wed 11/123:15 pmPDX - SYD
1 stop23h 20mMultiple Airlines
Deal found 11/5$1,008
This Travelocity deal was found by Cheapflights users on 11/5. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/212:00 pmSYD - PDX
2 stops26h 24mMultiple Airlines
Mon 11/244:30 pmPDX - SYD
2 stops25h 05mMultiple Airlines
Deal found 11/5$1,045
This Jetabroad deal was found by Cheapflights users on 11/5. 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.
Fri 11/219:40 pmSYD - PDX
1 stop19h 03mHawaiian Airlines
Mon 11/244:30 pmPDX - SYD
2 stops56h 15mHawaiian Airlines
Deal found 11/5$1,116

Cheap flight deals from Australia to Portland

Keep the following information in mind while searching for Australia to Portland flight deals. Data was last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$792
(BYOjet)

One-way from

$448
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,058
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 Australia to Portland
Search Deals
One-way flight from Australia to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($153 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 November 2025
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 November 6, 2025.
Use the filters below to find and compare flights from Australia to Portland that are best for you.

Fly from

Australia

Fly to

Portland

Route

Depart

Return

Price

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 2/5

9:40 pm-6:00 am

2 stops27h 20m

Portland

Wed 2/25

6:05 pm-7:45 pm

2 stops30h 40m

$850

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 12/1

2:05 pm-7:10 pm

1 stop24h 05m

Portland

Wed 12/31

6:20 am-9:00 am

1 stop31h 40m

$864

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Wed 3/11

6:40 am-9:15 am

2 stops20h 35m

Portland

Sun 3/15

7:00 pm-1:05 pm

2 stops24h 05m

$882

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 2/3

9:40 pm-8:50 pm

1 stop18h 10m

Portland

Wed 2/25

10:40 am-7:45 pm

1 stop38h 05m

$884

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 2/3

9:40 pm-9:33 am

2 stops30h 53m

Portland

Sun 2/22

5:50 pm-7:45 pm

1 stop30h 55m

$887

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 2/5

9:40 pm-6:00 am

2 stops27h 20m

Portland

Sun 2/22

10:40 am-7:45 pm

1 stop38h 05m

$889

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 2/5

9:40 pm-5:31 am

1 stop26h 51m

Portland

Thu 2/19

6:05 pm-7:45 pm

2 stops30h 40m

$890

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 2/5

9:40 pm-8:50 pm

1 stop18h 10m

Portland

Mon 2/23

7:10 am-7:45 pm

1 stop17h 35m

$899

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 2/6

9:40 pm-5:31 am

1 stop26h 51m

Portland

Wed 2/25

6:05 pm-7:45 pm

2 stops30h 40m

$899

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 2/3

9:40 pm-5:31 am

1 stop26h 51m

Portland

Fri 2/20

7:10 am-7:45 pm

1 stop17h 35m

$899

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from Australia to Portland (average of $485). Flying from Australia to Portland in May is currently the most expensive (average of $885). 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.

What is the cheapest time of day to fly from AU to PDX?

Find hourly flight availability from Australia to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

A simple way to save on the total cost of your ticket is to fly from Australia to Portland in the afternoon. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated November 6, 2025.
See what other customers who have flown with United Airlines and Air Canada from Australia to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,007 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,007 reviews
United Airlines
7.4
Good
9,007 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,416 reviews
United Airlines
7.4
Good
9,007 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 20h 35m. There are 8111 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 cheapest airlines to fly from Australia to Portland one-way?

    To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $541. Delta flights start at $586 while deals on United Airlines start at $592 one-way.

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

    While some choose either Sydney Kingsford Smith - Portland or Perth - Portland, Melbourne - 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, March is the cheapest month in which you can book a flight from Australia to Portland (average of $485). Flying from Australia to Portland in May is currently the most expensive (average of $885). 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
Tillamook
Gresham
Troutdale

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.

Top 2 airlines flying from Australia to Portland

Discover the top 2 airlines that operate flights from Australia to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$757Average$1,406FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$933Average$1,280FlexibilityNo cancel feeOn-time67%

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