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$378+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Oregon to Australia

Keep the following information in mind while searching for Oregon to Australia flight deals. Data was last updated July 31, 2025.

Round-trip from

$765
(Expedia)

One-way from

$378
(Ovago)

Popular in

December

Cheapest in

September

Average price

$1,144
From Oregon to Australia
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One-way flight from Oregon to Australia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 31, 2025.

This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/217:40 pmPDX - SYD
1 stop18h 40mAir Canada
Thu 9/49:20 amSYD - PDX
1 stop22h 26mAir Canada
Deal found 7/29$765
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:56 pmPDX - SYD
1 stop23h 34mAmerican Airlines
Fri 9/199:10 amSYD - PDX
2 stops24h 34mAmerican Airlines
Deal found 7/29$803
This Gurufare deal was found by Cheapflights users on 7/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:56 pmPDX - SYD
1 stop23h 09mQantas Airways
Sat 10/45:45 pmSYD - PDX
1 stop20h 31mQantas Airways
Deal found 7/31$810
This Qantas Airways deal was found by Cheapflights users on 7/30. 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.
Tue 9/22:30 pmPDX - SYD
1 stop22h 35mMultiple Airlines
Tue 9/239:10 amSYD - PDX
1 stop21h 14mMultiple Airlines
Deal found 7/30$815
This Delta deal was found by Cheapflights users on 7/31. 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 9/239:17 amPDX - SYD
2 stops28h 18mDelta
Tue 9/309:25 amSYD - PDX
2 stops23h 50mDelta
Deal found 7/31$835
This Air Canada deal was found by Cheapflights users on 7/30. 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 11/57:00 pmPDX - MEL
2 stops24h 45mAir Canada
Wed 11/198:10 amMEL - PDX
2 stops20h 05mAir Canada
Deal found 7/30$845
This United Airlines deal was found by Cheapflights users on 7/31. 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 11/287:51 pmRDM - SYD
1 stop18h 24mUnited Airlines
Fri 12/52:00 pmSYD - RDM
1 stop23h 40mUnited Airlines
Deal found 7/31$877
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 8/166:29 pmEUG - SYD
1 stop19h 26mUnited Airlines
Sat 8/2310:20 amSYD - EUG
1 stop18h 43mUnited Airlines
Deal found 7/31$877
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 12/315:10 amMFR - SYD
2 stops33h 05mUnited Airlines
Tue 3/3111:20 amSYD - MFR
1 stop24h 30mUnited Airlines
Deal found 7/29$922
This Air Canada deal was found by Cheapflights users on 7/30. 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 12/157:00 pmPDX - BNE
1 stop19h 45mAir Canada
Wed 12/2410:45 amBNE - PDX
1 stop22h 00mAir Canada
Deal found 7/30$926
This Justfly.com deal was found by Cheapflights users on 7/30. 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 8/97:40 pmPDX - MEL
2 stops22h 45mMultiple Airlines
Sat 8/166:40 pmMEL - PDX
2 stops31h 50mMultiple Airlines
Deal found 7/30$928
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/71:50 pmBOI - SYD
2 stops25h 15mAmerican Airlines
Thu 8/219:10 amSYD - BOI
2 stops23h 35mAmerican Airlines
Deal found 7/30$949

Cheapflights Fare Finder

 
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 July 31, 2025.
Use the filters below to find and compare flights from Oregon to Australia that are best for you.

Fly from

Oregon

Fly to

Australia

Route

Depart

Return

Price

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 8/21

7:40 pm-7:20 am

1 stop18h 40m

Sydney Kingsford Smith

Thu 9/4

9:20 am-2:46 pm

1 stop22h 26m

$765

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 9/12

2:56 pm-7:30 am

1 stop23h 34m

Sydney Kingsford Smith

Fri 9/19

9:10 am-4:44 pm

2 stops24h 34m

$803

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 9/26

2:56 pm-7:05 am

1 stop23h 09m

Sydney Kingsford Smith

Sat 10/4

5:45 pm-9:16 pm

1 stop20h 31m

$810

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/2

2:30 pm-6:05 am

1 stop22h 35m

Sydney Kingsford Smith

Tue 9/23

9:10 am-1:24 pm

1 stop21h 14m

$815

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/23

9:17 am-6:35 am

2 stops28h 18m

Sydney Kingsford Smith

Tue 9/30

9:25 am-4:02 pm

1 stop23h 37m

$835

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Fri 11/28

7:51 pm-9:15 am

1 stop18h 24m

Sydney Kingsford Smith

Fri 12/5

2:00 pm-6:40 pm

1 stop23h 40m

$877

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 8/16

6:29 pm-6:55 am

1 stop19h 26m

Sydney Kingsford Smith

Sat 8/23

10:20 am-12:03 pm

1 stop18h 43m

$877

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 9/13

3:25 pm-12:20 pm

2 stops27h 55m

Melbourne

Sat 9/20

6:40 pm-9:21 am

2 stops31h 41m

$912

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 12/31

5:10 am-9:15 am

2 stops33h 05m

Sydney Kingsford Smith

Tue 3/31

11:20 am-5:50 pm

1 stop24h 30m

$922

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 12/15

7:00 pm-8:45 am

1 stop19h 45m

Brisbane

Wed 12/24

10:45 am-2:45 pm

1 stop22h 00m

$926

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
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6

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.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Australia

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 $1,028). Flying from Oregon to Australia in December is currently the most expensive (average of $1,619). 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 July 31, 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.

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 July 31, 2025.
Read reviews from past customers who have flown ANA, Singapore Airlines, and Fiji Airways from Oregon to Australia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
922 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
ANA
8.4
Very good
922 reviews
ANA
8.4
Very good
922 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Singapore Airlines
8.1
Very good
1,338 reviews
ANA
8.4
Very good
922 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Fiji Airways
8.0
Very good
202 reviews
ANA
8.4
Very good
922 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Delta
8.0
Very good
7,981 reviews
ANA
8.4
Very good
922 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Alaska Airlines
8.0
Very good
10,000 reviews
ANA
8.4
Very good
922 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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 Qantas Airways. According to our data, you can fly for as low as $378. Users have also found prices from $396 and $409 on American Airlines and Air New Zealand, 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 $1,028). Flying from Oregon to Australia in December is currently the most expensive (average of $1,619). 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 Oregon to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$456Average$1,158FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$656Average$1,305FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$844Average$1,302FlexibilityNo cancel feeOn-time67%
Hawaiian AirlinesCheapest$855Average$1,278FlexibilityNo cancel feeOn-time85%
Qantas AirwaysCheapest$925Average$1,612FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$952Average$1,129FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$1,099Average$1,235FlexibilityNo cancel feeOn-time75%
Air New ZealandCheapest$1,141Average$1,383FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,288Average$1,362FlexibilityNo cancel feeOn-time68%

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