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Cheap flights from Oregon to Sydney from $606

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

$1,193

One-way from

$606

Popular in

December

Cheapest in

May

Average price

$1,669
Air Canada
  • Air Canada
  • 20/8-1/10
  • 2 total stops
  • 35h 41m total
  • Oregon to Sydney
Air Canada
  • Air Canada
  • 18/8
  • 1 total stop
  • 28h 15m total
  • Oregon to Sydney
Highest demand for flights based on searches. 13% potential increase in price ($417 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($76 potential savings vs. average return price).
Average for round-trip flights in June 2025

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 13 June 2025.

Wed 20/819:40PDX - SYD
1 stop18h 40mAir Canada
Wed 1/1009:20SYD - PDX
1 stop17h 01mAir Canada
Deal found 11/6$1,193
Sat 9/814:56PDX - SYD
1 stop23h 09mQantas Airways
Sat 23/817:45SYD - PDX
1 stop20h 30mQantas Airways
Deal found 12/6$1,217
Wed 17/919:30EUG - SYD
1 stop18h 35mAmerican Airlines
Wed 1/1009:10SYD - EUG
1 stop18h 17mAmerican Airlines
Deal found 12/6$1,280
Thu 28/814:56PDX - SYD
1 stop23h 34mAmerican Airlines
Thu 11/917:45SYD - PDX
2 stops22h 26mAmerican Airlines
Deal found 11/6$1,290
Sat 9/812:35PDX - SYD
1 stop25h 00mDelta
Sat 30/809:25SYD - PDX
1 stop23h 34mDelta
Deal found 11/6$1,305
Thu 28/813:01PDX - SYD
2 stops24h 59mUnited Airlines
Fri 12/909:30SYD - PDX
2 stops22h 35mUnited Airlines
Deal found 11/6$1,313
Fri 14/1115:51RDM - SYD
1 stop22h 14mUnited Airlines
Fri 28/1112:10SYD - RDM
1 stop19h 05mUnited Airlines
Deal found 11/6$1,346
Wed 17/905:00EUG - SYD
2 stops33h 00mUnited Airlines
Wed 1/1010:20SYD - EUG
2 stops27h 45mUnited Airlines
Deal found 12/6$1,414
Sat 26/715:35BOI - SYD
1 stop23h 20mAmerican Airlines
Sat 2/809:10SYD - BOI
2 stops29h 16mAmerican Airlines
Deal found 11/6$1,449
Tue 12/817:35PDX - SYD
1 stop28h 05mMultiple Airlines
Sun 17/816:20SYD - PDX
1 stop17h 00mMultiple Airlines
Deal found 11/6$1,507
Sun 27/705:20EUG - SYD
2 stops32h 15mDelta
Sun 3/809:25SYD - EUG
2 stops31h 19mDelta
Deal found 12/6$1,512
Sun 22/605:55RDM - SYD
2 stops31h 40mDelta
Fri 11/709:25SYD - RDM
2 stops26h 25mDelta
Deal found 13/6$1,564

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 13 June 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

Wed 20/8

19:40-07:20

1 stop18h 40m

Sydney Kingsford Smith

Wed 1/10

09:20-09:21

1 stop17h 01m

$1,193

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 9/8

14:56-07:05

1 stop23h 09m

Sydney Kingsford Smith

Sat 23/8

17:45-21:15

1 stop20h 30m

$1,217

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Wed 17/9

19:30-07:05

1 stop18h 35m

Sydney Kingsford Smith

Wed 1/10

09:10-10:27

1 stop18h 17m

$1,280

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 28/8

14:56-07:30

1 stop23h 34m

Sydney Kingsford Smith

Thu 11/9

17:45-23:11

2 stops22h 26m

$1,290

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 9/8

12:35-06:35

1 stop25h 00m

Sydney Kingsford Smith

Sat 30/8

09:25-15:59

1 stop23h 34m

$1,305

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 28/8

13:01-07:00

2 stops24h 59m

Sydney Kingsford Smith

Fri 12/9

09:30-15:05

2 stops22h 35m

$1,313

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Fri 14/11

15:51-09:05

1 stop22h 14m

Sydney Kingsford Smith

Fri 28/11

12:10-12:15

1 stop19h 05m

$1,346

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Wed 17/9

05:00-07:00

2 stops33h 00m

Sydney Kingsford Smith

Wed 1/10

10:20-21:05

2 stops27h 45m

$1,414

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sat 26/7

15:35-06:55

1 stop23h 20m

Sydney Kingsford Smith

Sat 2/8

09:10-22:26

2 stops29h 16m

$1,449

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 12/8

17:35-14:40

1 stop28h 05m

Sydney Kingsford Smith

Sun 17/8

16:20-16:20

1 stop17h 00m

$1,507

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 36 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 13 June 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.

Rainfall in Sydney by month

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

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

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

If weather is an important factor for your trip to Sydney, 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 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 13 June 2025.
To help decide which airline to fly from Oregon to Sydney, see what other customers have to say about Air Tahiti Nui, ANA and Fiji Airways. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.8

Entertainment

7.3

Boarding

8.7

Overall

8.7

Comfort

8.1

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.

Food

7.8

Entertainment

7.3

Boarding

8.7

Overall

8.7

Comfort

8.1

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.
8.3
Very Good

Food

7.8

Entertainment

7.3

Boarding

8.7

Overall

8.7

Comfort

8.1

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.

Food

7.8

Entertainment

7.3

Boarding

8.7

Overall

8.7

Comfort

8.1

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.

Food

7.8

Entertainment

7.3

Boarding

8.7

Overall

8.7

Comfort

8.1

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.
8.0
Very Good

Food

7.8

Entertainment

7.3

Boarding

8.7

Overall

8.7

Comfort

8.1

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?

    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 $606 on Air Canada. Other airlines that offer cheap prices include American Airlines from $659 and United Airlines from $669 one-way.

  • What are the most popular routes 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
Randwick
Cronulla
Terrigal
Lithgow
Bondi Beach
Leura
Swansea

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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,383Average$1,919FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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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