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$435+ Cheap flights from Portland (PDX) to Australia

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Jan 27 — Feb 31
Mon 1/27
Mon 2/3
1 adult, Economy
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Cheap flight deals from Portland to Australia

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Australia (AU0). 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 January 22, 2025.

Round-trip from

$821
(Kiwi.com)

One-way from

$436
(United)
From Portland to Australia
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One-way flight from Portland to Australia
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Find flight deals from Portland to Australia

Cheapest flights from Portland to Australia
Explore the most affordable flight options available from Portland to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.

This Trip.com deal was found by Cheapflights users on 1/22. 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.
Mon 3/39:50 amPDX - MEL
2 stops31h 55mMultiple Airlines
Sat 3/151:45 pmMEL - PDX
2 stops24h 43mMultiple Airlines
Deal found 1/22$831
This United Airlines deal was found by Cheapflights users on 1/22. 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.
Fri 2/211:34 pmPDX - BNE
1 stop23h 56mUnited Airlines
Tue 3/2510:40 amBNE - PDX
1 stop18h 57mUnited Airlines
Deal found 1/22$872
This Air Canada deal was found by Cheapflights users on 1/21. 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.
Sun 10/263:25 pmPDX - MEL
2 stops27h 10mAir Canada
Sun 11/97:10 amMEL - PDX
2 stops21h 24mAir Canada
Deal found 1/21$909
This Delta deal was found by Cheapflights users on 1/22. 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.
Fri 2/214:20 pmPDX - BNE
1 stop21h 25mDelta
Fri 2/2810:45 amBNE - PDX
1 stop19h 17mDelta
Deal found 1/22$914
This Air Canada deal was found by Cheapflights users on 1/21. 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 10/183:25 pmPDX - SYD
2 stops26h 15mAir Canada
Sun 10/268:00 amSYD - PDX
2 stops28h 24mAir Canada
Deal found 1/21$927
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/107:45 amPDX - SYD
1 stop18h 00mAlaska Airlines
Thu 3/209:40 pmSYD - PDX
1 stop25h 25mAlaska Airlines
Deal found 1/21$946
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 11/11:58 pmPDX - SYD
1 stop25h 02mAmerican Airlines
Thu 11/1311:15 amSYD - PDX
1 stop19h 45mAmerican Airlines
Deal found 1/21$948
This Trip.com deal was found by Cheapflights users on 1/22. 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.
Fri 4/119:40 amPDX - SYD
2 stops33h 05mMultiple Airlines
Sun 4/206:00 amSYD - PDX
2 stops31h 31mMultiple Airlines
Deal found 1/22$950
This United deal was found by Cheapflights users on 1/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/311:32 pmPDX - SYD
1 stop21h 48mUnited Airlines
Fri 2/1412:10 pmSYD - PDX
1 stop19h 22mUnited Airlines
Deal found 1/22$963
This Air Canada deal was found by Cheapflights users on 1/21. 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 2/43:25 pmPDX - BNE
2 stops30h 05mAir Canada
Tue 2/116:05 amBNE - PDX
2 stops21h 29mAir Canada
Deal found 1/21$979
This Air Canada deal was found by Cheapflights users on 1/21. 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 2/43:25 pmPDX - BNE
2 stops26h 10mMultiple Airlines
Tue 2/1110:45 amBNE - PDX
1 stop21h 59mMultiple Airlines
Deal found 1/21$999
This Delta deal was found by Cheapflights users on 1/22. 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.
Wed 5/215:10 pmPDX - SYD
1 stop20h 25mDelta
Wed 6/49:25 amSYD - PDX
1 stop23h 44mDelta
Deal found 1/22$1,070

Find flights from Portland to Australia within your budget

Customize your flight search to find flights from Portland to Australia 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 January 22, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 3/4

9:55 am-4:20 pm

2 stops35h 25m

Melbourne

Wed 3/19

4:50 pm-8:25 pm

1 stop21h 35m

$821

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Fri 2/21

1:34 pm-7:30 am

1 stop23h 56m

Brisbane

Tue 3/25

10:40 am-12:37 pm

1 stop18h 57m

$872

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Fri 2/21

4:20 pm-7:45 am

1 stop21h 25m

Brisbane

Fri 2/28

10:45 am-12:02 pm

1 stop19h 17m

$914

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 6/1

5:33 pm-2:40 pm

1 stop28h 07m

Sydney Kingsford Smith

Sun 6/8

1:15 pm-3:58 pm

2 stops43h 43m

$915

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 3/10

7:45 am-7:45 pm

1 stop18h 00m

Sydney Kingsford Smith

Thu 3/20

9:40 pm-5:05 am

1 stop25h 25m

$946

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 4/19

6:46 am-7:05 am

1 stop31h 19m

Sydney Kingsford Smith

Fri 5/2

9:10 am-11:33 am

1 stop19h 23m

$955

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 3/10

7:05 pm-12:40 pm

2 stops23h 35m

Sydney Kingsford Smith

Thu 3/20

7:15 pm-9:34 am

2 stops32h 19m

$958

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 3/8

7:43 pm-9:15 am

1 stop18h 32m

Sydney Kingsford Smith

Sat 3/15

12:10 pm-12:36 pm

1 stop18h 26m

$963

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 2/4

3:25 pm-3:30 pm

2 stops30h 05m

Brisbane

Tue 2/11

6:05 am-9:34 am

2 stops21h 29m

$979

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 2/4

3:25 pm-11:35 am

2 stops26h 10m

Brisbane

Tue 2/11

10:45 am-2:44 pm

1 stop21h 59m

$999

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 51 results
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Best time to book a flight from Portland to Australia

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

Travel insights for flights from Portland to Australia

Get recent, data-driven insights about flights from Portland to Australia including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Portland to Australia (average of $1,051). Flying from Portland to Australia in December is currently the most expensive (average of $1,643). 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 PDX to AU?

Find hourly flight availability from Portland to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 22, 2025.

When flying from Portland to Australia, 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 Australia by month

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

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

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

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated January 22, 2025.
See what other customers who have flown with Alaska Airlines, Air Canada and United Airlines from Portland to Australia have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Boarding

8.7

Comfort

8.1

Crew

9.1

Entertainment

7.3

Overall

8.8

Reviews

1 / 2

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

Boarding

8.7

Comfort

8.1

Crew

9.1

Entertainment

7.3

Overall

8.8

Reviews

1 / 2

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.

Korean Air
8.5
Very good
1,039 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Boarding

8.7

Comfort

8.1

Crew

9.1

Entertainment

7.3

Overall

8.8

Reviews

1 / 2

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
8.4
Very good
852 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Boarding

8.7

Comfort

8.1

Crew

9.1

Entertainment

7.3

Overall

8.8

Reviews

1 / 2

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
1,447 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Boarding

8.7

Comfort

8.1

Crew

9.1

Entertainment

7.3

Overall

8.8

Reviews

1 / 2

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
3,357 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Food

7.8

Boarding

8.7

Comfort

8.1

Crew

9.1

Entertainment

7.3

Overall

8.8

Reviews

1 / 2

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 Portland to Australia. 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 from for flights from Portland to Australia?

    For a flight from Portland to Australia, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $436. Air Canada flights start at $615 while deals on Cathay Pacific start at $949 one-way.

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

    The most popular flight routes from Portland to Australia are Portland - Sydney Kingsford Smith, Portland - Melbourne and Portland - Brisbane.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Portland to Australia (average of $1,051). Flying from Portland to Australia in December is currently the most expensive (average of $1,643). 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

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Alternative routes for Portland to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Portland to Australia

Discover the top 8 airlines that operate flights from Portland to Australia. 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 January 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$444Average$967FlexibilityNo cancel feeOn-time85%
DeltaCheapest$456Average$1,244FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$759Average$1,404FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$801Average$1,283FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,036Average$1,446FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,055Average$1,200FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$1,068Average$1,257FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$1,275Average$1,502FlexibilityNo cancel feeOn-time81%
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