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$366+ Cheap flights from Oregon to Sydney (SYD)

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheap flight deals from Oregon to Sydney

Keep the following information in mind while searching for Oregon to Sydney flight deals. Data was last updated julio 3, 2025.

Round-trip from

$704
(SmartFares)

One-way from

$366
(Alaska Airlines)

Popular in

December

Cheapest in

May

Average price

$1,160
From Oregon to Sydney Kingsford Smith
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One-way flight from Oregon to Sydney Kingsford Smith
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Highest demand for flights based on searches. 13% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 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 Sydney

Cheapest flights from Oregon to Sydney
Explore the most affordable flight options available from Oregon to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

This SmartFares deal was found by Cheapflights users on 7/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/210:30 amPDX - SYD
1 stop27h 35mAlaska Airlines
vie. 8/159:10 amSYD - PDX
1 stop19h 21mAlaska Airlines
Deal found 7/1$704
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/22:56 pmPDX - SYD
1 stop23h 09mQantas Airways
mar. 9/239:10 amSYD - PDX
1 stop24h 20mQantas Airways
Deal found 7/2$774
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/57:40 pmPDX - SYD
1 stop18h 40mAir Canada
jue. 9/189:20 amSYD - PDX
1 stop17h 01mAir Canada
Deal found 7/2$798
This United Airlines deal was found by Cheapflights users on 7/2. 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.
mar. 8/51:37 pmPDX - SYD
1 stop24h 18mUnited Airlines
mié. 8/2710:20 amSYD - PDX
1 stop21h 22mUnited Airlines
Deal found 7/2$824
This Delta deal was found by Cheapflights users on 7/2. 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.
vie. 8/812:35 pmPDX - SYD
1 stop25h 00mDelta
jue. 8/289:25 amSYD - PDX
1 stop19h 14mDelta
Deal found 7/2$832
This United Airlines deal was found by Cheapflights users on 7/2. 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.
sáb. 8/162:02 pmEUG - SYD
1 stop23h 53mUnited Airlines
sáb. 8/239:30 amSYD - EUG
2 stops22h 48mUnited Airlines
Deal found 7/2$882
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
vie. 8/156:25 amBOI - SYD
2 stops32h 40mAlaska Airlines
vie. 8/229:10 amSYD - BOI
2 stops28h 47mAlaska Airlines
Deal found 7/1$888
This United Airlines deal was found by Cheapflights users on 7/3. 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.
mié. 10/11:16 pmRDM - SYD
2 stops48h 39mUnited Airlines
vie. 10/3110:20 amSYD - RDM
1 stop22h 47mUnited Airlines
Deal found 7/3$896
This United Airlines deal was found by Cheapflights users on 7/2. 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.
lun. 12/12:05 pmMFR - SYD
1 stop24h 10mUnited Airlines
mar. 12/92:00 pmSYD - MFR
1 stop17h 09mUnited Airlines
Deal found 7/2$917
This Fareboom deal was found by Cheapflights users on 7/3. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/225:20 amEUG - SYD
2 stops44h 25mMultiple Airlines
vie. 10/319:55 amSYD - EUG
2 stops25h 55mMultiple Airlines
Deal found 7/3$922
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
mié. 10/17:00 amRDM - SYD
1 stop31h 05mAlaska Airlines
vie. 10/3111:15 amSYD - RDM
1 stop28h 59mAlaska Airlines
Deal found 7/1$929
This American Airlines deal was found by Cheapflights users on 7/3. 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.
dom. 8/171:50 pmBOI - SYD
2 stops25h 15mAmerican Airlines
dom. 8/245:45 pmSYD - BOI
2 stops21h 46mAmerican Airlines
Deal found 7/3$1,018

Cheapflights Fare Finder

Customize your flight search to find flights from Oregon to Sydney 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 julio 3, 2025.
Use the filters below to find and compare flights from Oregon to Sydney that are best for you.

Fly from

Oregon

Fly to

Sydney

Route

Depart

Return

Price

PortlandSydney

PDX - SYD

PDXSYD

Portland

sáb. 8/2

10:30 am-7:05 am

1 stop27h 35m

Sydney Kingsford Smith

vie. 8/15

9:10 am-11:31 am

1 stop19h 21m

$704

PortlandSydney

PDX - SYD

PDXSYD

Portland

mar. 9/2

2:56 pm-7:05 am

1 stop23h 09m

Sydney Kingsford Smith

mar. 9/23

5:45 pm-8:30 pm

1 stop19h 45m

$774

PortlandSydney

PDX - SYD

PDXSYD

Portland

vie. 9/5

7:40 pm-7:20 am

1 stop18h 40m

Sydney Kingsford Smith

jue. 9/18

9:20 am-9:21 am

1 stop17h 01m

$798

PortlandSydney

PDX - SYD

PDXSYD

Portland

mar. 8/5

12:55 pm-7:00 am

2 stops25h 05m

Sydney Kingsford Smith

vie. 8/29

10:20 am-12:43 pm

1 stop19h 23m

$824

PortlandSydney

PDX - SYD

PDXSYD

Portland

vie. 8/8

12:35 pm-6:35 am

1 stop25h 00m

Sydney Kingsford Smith

jue. 8/28

9:25 am-11:39 am

1 stop19h 14m

$832

EugeneSydney

EUG - SYD

EUGSYD

Eugene

sáb. 8/16

2:02 pm-6:55 am

1 stop23h 53m

Sydney Kingsford Smith

sáb. 8/23

9:30 am-3:18 pm

2 stops22h 48m

$882

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

vie. 8/15

6:25 am-7:05 am

2 stops32h 40m

Sydney Kingsford Smith

vie. 8/22

9:10 am-9:57 pm

2 stops28h 47m

$888

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

mié. 10/1

1:16 pm-6:55 am

2 stops48h 39m

Sydney Kingsford Smith

vie. 10/31

10:20 am-3:07 pm

1 stop22h 47m

$896

MedfordSydney

MFR - SYD

MFRSYD

Medford

lun. 12/1

2:05 pm-9:15 am

1 stop24h 10m

Sydney Kingsford Smith

mar. 12/9

2:00 pm-12:09 pm

1 stop17h 09m

$917

EugeneSydney

EUG - SYD

EUGSYD

Eugene

mié. 10/22

5:20 am-7:45 pm

2 stops44h 25m

Sydney Kingsford Smith

vie. 10/31

9:55 am-5:50 pm

2 stops25h 55m

$922

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 42 results
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Best time to book a flight from Oregon to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

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

Currently, February is the cheapest month in which you can book a flight from Oregon to Sydney (average of $1,040). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,630). 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 SYD?

Find hourly flight availability from Oregon to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

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

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated julio 3, 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, China Airlines, and Alaska Airlines from Oregon to Sydney by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
64 reviews

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Food

7.8

Overall

8.7

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

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Food

7.8

Overall

8.7

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.
China Airlines
8.3
Very good
744 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Food

7.8

Overall

8.7

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.
Alaska Airlines
8.0
Very good
10,000 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Food

7.8

Overall

8.7

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.
Delta
8.0
Very good
7,982 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Food

7.8

Overall

8.7

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 New Zealand
8.0
Very good
486 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Food

7.8

Overall

8.7

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 Oregon to Sydney. 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 Sydney from Oregon?

    Located just 4.6 mi from the city center, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Oregon.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $366. Users have also found prices from $392 and $401 on Qantas Airways and American Airlines, respectively.

  • What are the most popular routes from Oregon to Sydney?

    When deciding which route to take from Oregon to Sydney consider Portland - Sydney Kingsford Smith, Medford - Sydney Kingsford Smith or Boise Air Term. Gowen Fld - Sydney Kingsford Smith as they are the most popular.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Oregon to Sydney (average of $1,040). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,630). 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 Oregon?

Book flights to Oregon if you plan to visit one of these locations
Wollongong
Parramatta
Manly
Coogee

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Top 7 airlines flying from Oregon to Sydney

Discover the top 7 airlines that operate flights from Oregon to Sydney. 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$656Average$1,263FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$680Average$1,159FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$849Average$1,069FlexibilityNo cancel feeOn-time67%
DeltaCheapest$922Average$1,133FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$929Average$1,136FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,055Average$1,179FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$1,068Average$1,223FlexibilityNo cancel feeOn-time75%

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