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$476+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$916
(Kiwi.com)

One-way from

$476
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,274
Provider with most accurate pricing for Sydney Kingsford Smith-Portland flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Portland flights.
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From Australia to Portland
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One-way flight from Australia to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($172 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/64:20 pmSYD - PDX
1 stop31h 00mMultiple Airlines
Tue 6/105:06 pmPDX - SYD
2 stops52h 34mMultiple Airlines
Deal found 4/29$916
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:20 amSYD - PDX
1 stop26h 04mAir Canada
Sat 11/227:05 pmPDX - SYD
1 stop19h 30mAir Canada
Deal found 4/27$1,076
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/210:20 amSYD - PDX
1 stop19h 02mUnited Airlines
Sat 6/1410:55 amPDX - SYD
2 stops27h 05mUnited Airlines
Deal found 4/29$1,082
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/39:25 amSYD - PDX
2 stops22h 25mDelta
Thu 6/128:29 pmPDX - SYD
2 stops41h 06mDelta
Deal found 4/29$1,091
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3110:15 pmBNE - PDX
2 stops42h 29mMultiple Airlines
Sat 6/77:45 pmPDX - BNE
2 stops31h 15mMultiple Airlines
Deal found 4/28$1,195
This Ovago deal was found by Cheapflights users on 4/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:25 amMEL - PDX
2 stops23h 22mJapan Airlines
Mon 8/1811:16 amPDX - MEL
2 stops25h 29mJapan Airlines
Deal found 4/29$1,228
This Singapore Airlines deal was found by Cheapflights users on 4/29. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/612:35 amMEL - PDX
2 stops38h 03mMultiple Airlines
Mon 10/138:45 pmPDX - MEL
2 stops38h 35mMultiple Airlines
Deal found 4/29$1,229
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2810:55 amMEL - PDX
1 stop21h 00mUnited Airlines
Mon 8/1812:55 pmPDX - MEL
2 stops25h 35mUnited Airlines
Deal found 4/29$1,238
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/910:00 amBNE - PDX
1 stop16h 20mAir Canada
Tue 8/1910:00 amPDX - BNE
1 stop28h 05mAir Canada
Deal found 4/27$1,251
This Air Canada deal was found by Cheapflights users on 4/29. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/267:40 pmMEL - PDX
2 stops44h 16mAir Canada
Tue 8/197:40 pmPDX - MEL
2 stops22h 25mAir Canada
Deal found 4/29$1,300
This Aunt Betty deal was found by Cheapflights users on 4/27. 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.
Tue 5/209:40 pmSYD - PDX
2 stops25h 40mAlaska Airlines
Tue 5/275:33 pmPDX - SYD
1 stop33h 12mAlaska Airlines
Deal found 4/27$1,317
This Air New Zealand deal was found by Cheapflights users on 4/28. 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.
Mon 6/99:45 amBNE - PDX
2 stops25h 50mAir New Zealand
Tue 8/193:44 pmPDX - BNE
2 stops26h 16mAir New Zealand
Deal found 4/28$1,327

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 April 29, 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

Fri 6/6

4:20 pm-6:20 am

1 stop31h 00m

Portland

Tue 6/10

5:06 pm-2:40 pm

2 stops52h 34m

$916

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 6/2

10:20 am-12:22 pm

1 stop19h 02m

Portland

Sat 6/14

10:55 am-7:00 am

2 stops27h 05m

$1,082

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 6/3

9:25 am-2:50 pm

2 stops22h 25m

Portland

Thu 6/12

8:29 pm-6:35 am

2 stops41h 06m

$1,091

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Sat 5/31

10:15 pm-11:44 pm

2 stops42h 29m

Portland

Sat 6/7

7:45 pm-8:00 pm

2 stops31h 15m

$1,195

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Wed 7/30

7:25 am-1:47 pm

2 stops23h 22m

Portland

Mon 8/18

11:16 am-5:45 am

2 stops25h 29m

$1,228

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Mon 7/28

10:55 am-12:35 am

1 stop30h 40m

Portland

Wed 8/20

7:35 pm-8:15 am

1 stop19h 40m

$1,238

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Tue 10/7

6:10 am-9:21 am

2 stops21h 11m

Portland

Mon 10/13

3:25 pm-1:20 pm

2 stops27h 55m

$1,244

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Mon 6/9

10:00 am-9:20 am

1 stop16h 20m

Portland

Tue 8/19

10:00 am-7:05 am

1 stop28h 05m

$1,251

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 7/26

7:40 pm-10:56 pm

2 stops44h 16m

Portland

Tue 8/19

7:40 pm-11:05 am

2 stops22h 25m

$1,300

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 5/20

9:40 pm-6:20 am

2 stops25h 40m

Portland

Tue 5/27

5:33 pm-7:45 pm

1 stop33h 12m

$1,317

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 39 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, November is the cheapest month in which you can book a flight from Australia to Portland (average of $277). Flying from Australia 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.

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 April 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Portland as you normally would.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 April 29, 2025.
See what other customers who have flown with Air Tahiti Nui, Japan Airlines and ANA from Australia to Portland have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Overall

8.8

Comfort

8.1

Boarding

8.7

Crew

9.1

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Overall

8.8

Comfort

8.1

Boarding

8.7

Crew

9.1

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very good
1,459 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Overall

8.8

Comfort

8.1

Boarding

8.7

Crew

9.1

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very good
855 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Overall

8.8

Comfort

8.1

Boarding

8.7

Crew

9.1

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.1
Very good
190 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Overall

8.8

Comfort

8.1

Boarding

8.7

Crew

9.1

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very good
1,292 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Overall

8.8

Comfort

8.1

Boarding

8.7

Crew

9.1

Entertainment

7.3

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $571. Delta flights start at $575 while deals on Air Canada start at $773 one-way.

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

    While some choose either Sydney Kingsford Smith - Portland or Brisbane - 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, November is the cheapest month in which you can book a flight from Australia to Portland (average of $277). Flying from Australia 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 Australia?

Book flights to Australia if you plan to visit one of these locations
Beaverton
Lincoln City
Seaside
Clackamas
Vancouver
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Hood River
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Longview

Browse thousands of different options on Cheapflights for your next trip

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$757Average$1,420FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$954Average$1,280FlexibilityNo cancel feeOn-time67%

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