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Cheap flights from Australia to Portland from $737

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Round-trip from

$1,379

One-way from

$737

Popular in

December

Cheapest in

October

Average price

$1,709
Delta
  • Delta
  • 30/11-1/2
  • 4 total stops
  • 72h 04m total
  • Australia to Portland
Search Deals
23/10
  • 23/10
  • 2 total stops
  • 24h 32m total
  • Australia to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($390 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($71 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 13 June 2025.

Sun 30/1110:45BNE - PDX
2 stops28h 04mDelta
Sun 1/217:45PDX - BNE
2 stops44h 00mDelta
Deal found 10/6$1,379
Sun 30/1111:40BNE - PDX
1 stop31h 05mMultiple Airlines
Sun 1/209:00PDX - BNE
1 stop28h 30mMultiple Airlines
Deal found 10/6$1,400
Sun 3/816:20SYD - PDX
1 stop22h 50mMultiple Airlines
Sat 9/807:00PDX - SYD
2 stops38h 40mMultiple Airlines
Deal found 11/6$1,420
Sun 10/821:40SYD - PDX
1 stop25h 15mAlaska Airlines
Fri 15/807:30PDX - SYD
1 stop19h 15mAlaska Airlines
Deal found 11/6$1,443
Sun 10/821:40SYD - PDX
1 stop25h 15mHawaiian Airlines
Fri 15/817:35PDX - SYD
1 stop33h 10mHawaiian Airlines
Deal found 12/6$1,471
Sun 3/809:20SYD - PDX
1 stop17h 10mAir Canada
Sat 9/815:25PDX - SYD
2 stops26h 15mAir Canada
Deal found 12/6$1,483
Mon 16/609:25SYD - PDX
1 stop18h 45mDelta
Tue 17/612:35PDX - SYD
1 stop25h 00mDelta
Deal found 11/6$1,491
Sun 3/809:10SYD - PDX
1 stop21h 15mQantas Airways
Sat 9/814:56PDX - SYD
1 stop23h 09mQantas Airways
Deal found 12/6$1,613
Wed 20/809:45BNE - PDX
2 stops32h 00mAir New Zealand
Tue 9/915:44PDX - BNE
2 stops33h 41mAir New Zealand
Deal found 10/6$1,655
Wed 17/909:30MEL - PDX
2 stops24h 51mUnited Airlines
Wed 8/1010:50PDX - MEL
2 stops28h 25mUnited Airlines
Deal found 12/6$1,678
Wed 2/710:20SYD - PDX
1 stop31h 15mUnited Airlines
Sat 12/705:25PDX - SYD
1 stop32h 30mUnited Airlines
Deal found 13/6$1,724
Sun 27/706:00MEL - PDX
2 stops20h 30mMultiple Airlines
Sun 3/819:40PDX - MEL
2 stops23h 40mMultiple Airlines
Deal found 12/6$1,730

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 13 June 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

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Sun 30/11

10:45-20:49

2 stops28h 04m

Portland

Sun 1/2

17:45-07:45

2 stops44h 00m

$1,379

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Sun 30/11

11:40-00:45

1 stop31h 05m

Portland

Sun 1/2

09:00-07:30

1 stop28h 30m

$1,400

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 3/8

16:20-22:10

1 stop22h 50m

Portland

Sat 9/8

07:00-14:40

2 stops38h 40m

$1,420

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 10/8

21:40-05:55

1 stop25h 15m

Portland

Fri 15/8

07:30-19:45

1 stop19h 15m

$1,443

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 10/8

21:40-05:55

1 stop25h 15m

Portland

Fri 15/8

17:35-19:45

1 stop33h 10m

$1,471

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 3/8

09:20-09:30

1 stop17h 10m

Portland

Sat 9/8

15:25-10:40

2 stops26h 15m

$1,483

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 27/7

09:25-15:59

2 stops23h 34m

Portland

Sun 3/8

14:10-06:35

2 stops23h 25m

$1,554

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 3/8

09:10-13:25

1 stop21h 15m

Portland

Sat 9/8

14:56-07:05

1 stop23h 09m

$1,613

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Wed 20/8

09:45-00:45

2 stops32h 00m

Portland

Tue 9/9

15:44-18:25

2 stops33h 41m

$1,655

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Wed 17/9

09:30-17:21

2 stops24h 51m

Portland

Wed 8/10

10:50-09:15

2 stops28h 25m

$1,678

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 46 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 return 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, January is the cheapest month in which you can book a flight from Australia to Portland (average of $908). Flying from Australia to Portland in December is currently the most expensive (average of $1,407). 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 13 June 2025.

When flying from Australia to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 13 June 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, Japan Airlines and ANA from Australia to Portland by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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
8.7
Very Good
64 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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
1,490 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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
882 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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.
Emirates
8.1
Very Good
3,265 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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
1,304 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Entertainment

7.3

Crew

9.0

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?

    Portland (PDX), located 9.7 km from the city centre, is the airport you fly into when you book flights from Australia to Portland.

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

    The cheapet airlines for a one-way flight from Australia to Portland are Air Canada ($864), Delta ($938), and United Airlines ($999).

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

    The most popular flight routes from Australia to Portland are Sydney Kingsford Smith - Portland, Brisbane - Portland and Melbourne - 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 holiday 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, January is the cheapest month in which you can book a flight from Australia to Portland (average of $908). Flying from Australia to Portland in December is currently the most expensive (average of $1,407). 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

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 8 airlines flying from Australia to Portland

Discover the top 8 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 647,157 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$986Average$1,807FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,008Average$1,694FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Hawaiian AirlinesCheapest$1,302Average$2,026FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Air New ZealandCheapest$1,381Average$1,513FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qantas AirwaysCheapest$1,384Average$1,747FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Virgin AustraliaCheapest$1,398Average$2,372FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
DeltaCheapest$1,557Average$1,721FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Singapore AirlinesCheapest$1,840Average$2,203FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Australia to Portland?

Cheapflights helps you search for flights from Australia to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Australia to Portland?

Cheapflights simply makes it quick and affordable to book flights from Australia to Portland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Australia to Portland with no change fees?

Certainly. Search results for flights to Portland from Australia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Australia to Portland become cheaper?

Of course! You can now track prices for flights from Australia to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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