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$435+ Cheap flights from Oregon 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 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Oregon to Australia

Discover tips and strategies to find the most affordable flight options for your journey from Oregon (USOR) 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 21, 2025.

Round-trip from

$872
(United Airlines)

One-way from

$435
(American Airlines)
From Oregon to Australia
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One-way flight from Oregon to Australia
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Find flight deals from Oregon to Australia

Cheapest flights from Oregon to Australia
Explore the most affordable flight options available from Oregon to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Tue 2/259:38 amPDX - MEL
1 stop35h 42mMultiple Airlines
Wed 3/124:50 pmMEL - PDX
2 stops24h 47mMultiple Airlines
Deal found 1/20$756
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/213:50 pmPDX - BNE
1 stop21h 40mUnited Airlines
Mon 3/3110:45 amBNE - PDX
1 stop26h 24mUnited Airlines
Deal found 1/21$872
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/192:14 pmPDX - BNE
1 stop22h 01mAmerican Airlines
Wed 2/269:40 amBNE - PDX
1 stop26h 10mAmerican Airlines
Deal found 1/20$914
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/15:33 pmPDX - SYD
1 stop28h 07mMultiple Airlines
Sun 6/81:15 pmSYD - PDX
2 stops43h 43mMultiple Airlines
Deal found 1/21$915
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/207:35 pmPDX - BNE
2 stops42h 10mDelta
Wed 3/511:30 amBNE - PDX
2 stops25h 24mDelta
Deal found 1/21$936
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/86:00 amPDX - SYD
1 stop32h 00mAmerican Airlines
Fri 2/2111:15 amSYD - PDX
1 stop22h 58mAmerican Airlines
Deal found 1/20$938
This Justfly.com deal was found by Cheapflights users on 1/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/77:05 pmPDX - BNE
1 stop19h 35mAir Canada
Sat 2/1510:45 amBNE - PDX
1 stop21h 59mAir Canada
Deal found 1/20$946
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 1/20$946
This Air Canada deal was found by Cheapflights users on 1/19. 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 3/103:25 pmPDX - SYD
2 stops27h 15mAir Canada
Thu 3/207:15 pmSYD - PDX
2 stops32h 19mAir Canada
Deal found 1/19$958
This Justfly.com deal was found by Cheapflights users on 1/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/87:05 pmPDX - BNE
2 stops22h 30mMultiple Airlines
Sat 2/1510:45 amBNE - PDX
1 stop16h 49mMultiple Airlines
Deal found 1/20$963
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3111:52 amPDX - SYD
1 stop24h 08mUnited Airlines
Fri 2/1412:10 pmSYD - PDX
1 stop21h 58mUnited Airlines
Deal found 1/21$963
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:56 pmBOI - SYD
1 stop20h 19mUnited Airlines
Thu 3/2012:10 pmSYD - BOI
1 stop21h 09mUnited Airlines
Deal found 1/21$971

Find flights from Oregon to Australia within your budget

Customize your flight search to find flights from Oregon 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 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/25

9:38 am-4:20 pm

1 stop35h 42m

Melbourne

Wed 3/12

4:50 pm-11:37 pm

2 stops24h 47m

$756

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 3/5

9:55 am-7:30 am

1 stop27h 35m

Brisbane

Wed 3/12

10:40 am-12:37 pm

1 stop18h 57m

$872

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 2/19

2:14 pm-6:15 am

1 stop22h 01m

Brisbane

Wed 2/26

9:40 am-5:50 pm

1 stop26h 10m

$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

Sat 2/8

6:00 am-9:00 am

1 stop32h 00m

Sydney Kingsford Smith

Fri 2/21

11:15 am-3:13 pm

1 stop22h 58m

$938

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Fri 2/7

7:05 pm-8:40 am

1 stop19h 35m

Brisbane

Sat 2/15

10:45 am-2:44 pm

1 stop21h 59m

$946

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

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 4/19

7:35 pm-6:55 am

1 stop18h 20m

Sydney Kingsford Smith

Thu 5/1

10:20 am-2:58 pm

1 stop21h 38m

$963

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 2/8

7:05 pm-11:35 am

2 stops22h 30m

Brisbane

Sat 2/15

10:45 am-9:34 am

1 stop16h 49m

$963

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 55 results
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Best time to book a flight from Oregon to Australia

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

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

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

Currently, February is the cheapest month in which you can book a flight from Oregon to Australia (average of $1,051). Flying from Oregon 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 OR to AU?

Find hourly flight availability from Oregon 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 21, 2025.

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

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 21, 2025.
To help decide which airline to fly from Oregon to Australia, see what other customers have to say about American Airlines, Alaska Airlines and Cathay Pacific. 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
8.8
Very good
62 reviews

Crew

9.1

Entertainment

7.3

Overall

8.8

Boarding

8.7

Food

7.8

Comfort

8.1

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

Crew

9.1

Entertainment

7.3

Overall

8.8

Boarding

8.7

Food

7.8

Comfort

8.1

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

Crew

9.1

Entertainment

7.3

Overall

8.8

Boarding

8.7

Food

7.8

Comfort

8.1

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
1,449 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Entertainment

7.3

Overall

8.8

Boarding

8.7

Food

7.8

Comfort

8.1

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.

Asiana Airlines
8.3
Very good
466 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Entertainment

7.3

Overall

8.8

Boarding

8.7

Food

7.8

Comfort

8.1

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
3,358 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Entertainment

7.3

Overall

8.8

Boarding

8.7

Food

7.8

Comfort

8.1

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 Oregon to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $435. Users have also found prices from $436 and $534 on United Airlines and Alaska Airlines, respectively.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Oregon to Australia (average of $1,051). Flying from Oregon 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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Top 9 airlines flying from Oregon to Australia

Discover the top 9 airlines that operate flights from Oregon 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$444Average$967FlexibilityNo cancel feeOn-time85%
DeltaCheapest$456Average$1,227FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$759Average$1,413FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$806Average$1,279FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$856Average$1,446FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,055Average$1,200FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$1,068Average$1,252FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$1,275Average$1,502FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,286Average$1,364FlexibilityNo cancel feeOn-time68%
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