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Cheap flights from Oregon to Sydney from $597

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

$1,216

One-way from

$597

Popular in

December

Cheapest in

May

Average price

$1,767
Qantas Airways
  • Qantas Airways
  • 2/9-23/9
  • 2 total stops
  • 44h 23m total
  • Oregon to Sydney
Search Deals
Qantas Airways
  • Qantas Airways
  • 30/9
  • 1 total stop
  • 20h 30m total
  • Oregon to Sydney
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($427 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($80 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 11 July 2025.

Tue 2/914:56PDX - SYD
1 stop23h 09mQantas Airways
Tue 23/909:10SYD - PDX
1 stop21h 14mQantas Airways
Deal found 9/7$1,216
Tue 2/919:40PDX - SYD
2 stops23h 00mAir Canada
Tue 23/909:20SYD - PDX
1 stop22h 26mAir Canada
Deal found 9/7$1,228
Mon 4/814:50PDX - SYD
1 stop23h 40mMultiple Airlines
Fri 15/817:45SYD - PDX
1 stop19h 45mMultiple Airlines
Deal found 9/7$1,242
Mon 4/815:00PDX - SYD
1 stop23h 30mAmerican Airlines
Fri 15/812:10SYD - PDX
1 stop23h 42mAmerican Airlines
Deal found 10/7$1,243
Sat 9/810:55PDX - SYD
2 stops27h 05mUnited Airlines
Sat 30/810:20SYD - PDX
1 stop27h 17mUnited Airlines
Deal found 10/7$1,272
Sat 2/805:35PDX - SYD
2 stops32h 00mDelta
Fri 15/809:25SYD - PDX
1 stop26h 29mDelta
Deal found 9/7$1,274
Sat 15/1118:52EUG - SYD
1 stop19h 23mUnited Airlines
Fri 28/1112:10SYD - EUG
1 stop18h 59mUnited Airlines
Deal found 9/7$1,335
Wed 1/1019:50RDM - SYD
1 stop18h 05mUnited Airlines
Fri 31/1012:10SYD - RDM
1 stop24h 04mUnited Airlines
Deal found 9/7$1,365
Sat 23/813:50BOI - SYD
2 stops25h 40mAmerican Airlines
Sat 30/809:10SYD - BOI
2 stops27h 00mAmerican Airlines
Deal found 9/7$1,458
Sat 23/818:35MFR - SYD
1 stop19h 20mUnited Airlines
Wed 27/810:20SYD - MFR
1 stop18h 31mUnited Airlines
Deal found 10/7$1,461
Sat 23/806:00MFR - SYD
2 stops31h 35mDelta
Wed 27/809:25SYD - MFR
2 stops29h 56mDelta
Deal found 9/7$1,592
Wed 19/1106:15EUG - SYD
2 stops31h 15mDelta
Sun 23/1110:40SYD - EUG
2 stops24h 48mDelta
Deal found 9/7$1,592

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 11 July 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

Tue 2/9

14:56-07:05

1 stop23h 09m

Sydney Kingsford Smith

Tue 23/9

09:10-13:24

1 stop21h 14m

$1,216

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 2/9

19:40-11:40

2 stops23h 00m

Sydney Kingsford Smith

Tue 23/9

09:20-14:46

1 stop22h 26m

$1,228

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 4/8

14:50-07:30

1 stop23h 40m

Sydney Kingsford Smith

Fri 15/8

17:45-20:30

1 stop19h 45m

$1,242

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 4/8

15:00-07:30

1 stop23h 30m

Sydney Kingsford Smith

Fri 15/8

12:10-18:52

1 stop23h 42m

$1,243

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 9/8

12:55-07:00

2 stops25h 05m

Sydney Kingsford Smith

Sat 23/8

09:30-21:01

2 stops28h 31m

$1,272

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 2/8

05:35-06:35

2 stops32h 00m

Sydney Kingsford Smith

Fri 15/8

09:25-18:54

1 stop26h 29m

$1,274

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 15/11

18:52-09:15

1 stop19h 23m

Sydney Kingsford Smith

Fri 28/11

12:10-12:09

1 stop18h 59m

$1,335

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Wed 1/10

19:50-06:55

1 stop18h 05m

Sydney Kingsford Smith

Fri 31/10

12:10-18:14

1 stop24h 04m

$1,365

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sat 23/8

13:50-07:30

2 stops25h 40m

Sydney Kingsford Smith

Sat 30/8

09:10-20:10

2 stops27h 00m

$1,458

MedfordSydney

MFR - SYD

MFRSYD

Medford

Sat 23/8

18:35-06:55

1 stop19h 20m

Sydney Kingsford Smith

Wed 27/8

10:20-11:51

1 stop18h 31m

$1,461

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 35 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 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 Oregon to Sydney

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

Currently, May is the cheapest month in which you can book a flight from Oregon to Sydney (average of $129). Flying from Oregon to Sydney in October is currently the most expensive (average of $171). 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 11 July 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 11 July 2025.
Read through reviews of airlines operating flights from Oregon to Sydney, such as Air Tahiti Nui, ANA, andAlaska Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Crew

9.0

Boarding

8.7

Overall

8.6

Food

7.7

Comfort

8.0

Entertainment

7.2

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
8.6
Very Good
65 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Crew

9.0

Boarding

8.7

Overall

8.6

Food

7.7

Comfort

8.0

Entertainment

7.2

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
8.4
Very Good
900 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Crew

9.0

Boarding

8.7

Overall

8.6

Food

7.7

Comfort

8.0

Entertainment

7.2

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
8.6
Very Good
65 reviews
Check prices

Crew

9.0

Boarding

8.7

Overall

8.6

Food

7.7

Comfort

8.0

Entertainment

7.2

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
7,951 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Crew

9.0

Boarding

8.7

Overall

8.6

Food

7.7

Comfort

8.0

Entertainment

7.2

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
494 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Crew

9.0

Boarding

8.7

Overall

8.6

Food

7.7

Comfort

8.0

Entertainment

7.2

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?

    For a flight from Oregon to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.

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

    One-way options have recently been found by users for as low as $597 on Qantas Airways. Other airlines that offer cheap prices include Delta from $623 and American Airlines from $876 one-way.

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

    While some choose either Boise Air Term. Gowen Fld - Sydney Kingsford Smith or Medford - Sydney Kingsford Smith, Portland - Sydney Kingsford Smith is the most popular route from Oregon to Sydney.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from Oregon to Sydney (average of $129). Flying from Oregon to Sydney in October is currently the most expensive (average of $171). 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

Travelling to a place near Oregon?

Book flights to Oregon if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Manly
Penrith
Coogee
Cronulla
Terrigal
Lithgow
Randwick
Bondi Beach
Leura

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Oregon to Sydney

Discover the top airline 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 647,157 searches. Data last updated 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,372Average$2,193FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Oregon to Sydney?

Cheapflights makes it easy to find Oregon to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Oregon to Sydney?

Millions of users choose and trust Cheapflights to book the best flight deals from Oregon to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Oregon to Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Oregon to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Oregon to Sydney become cheaper?

Yes, Cheapflights offers price alerts on Oregon to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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