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Cheap flights from Oregon to Sydney from $715

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Oregon to Sydney

Enter your travel dates to find the best prices.

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 21 November 2025.

Thu 4/1213:54RDM - SYD
1 stop24h 21mUnited Airlines
Sat 13/1212:10SYD - RDM
1 stop19h 05mUnited Airlines
Deal found 19/11$1,355
Mon 1/1206:00MFR - SYD
2 stops31h 30mDelta
Tue 9/1210:40SYD - MFR
2 stops25h 03mDelta
Deal found 20/11$1,361
Wed 3/1207:00RDM - SYD
2 stops30h 30mDelta
Sun 7/1210:40SYD - RDM
2 stops31h 10mDelta
Deal found 20/11$1,361
Wed 3/1206:00MFR - SYD
2 stops31h 30mDelta
Sun 7/1210:40SYD - MFR
2 stops31h 22mDelta
Deal found 18/11$1,363
Fri 5/1216:32PDX - SYD
1 stop18h 38mQantas Airways
Wed 10/1206:05SYD - PDX
2 stops33h 16mQantas Airways
Deal found 19/11$1,436
Sun 7/1205:55RDM - SYD
2 stops31h 35mDelta
Fri 12/1210:40SYD - RDM
2 stops31h 10mDelta
Deal found 20/11$1,439
Wed 3/1211:20RDM - SYD
2 stops26h 10mDelta
Fri 12/1210:40SYD - RDM
2 stops27h 10mDelta
Deal found 19/11$1,440
Mon 8/1205:41PDX - SYD
1 stop30h 44mQantas Airways
Mon 12/119:15SYD - PDX
2 stops37h 26mQantas Airways
Deal found 19/11$1,556
Mon 29/1206:20PDX - SYD
1 stop31h 40mQantas Airways
Tue 13/119:15SYD - PDX
2 stops37h 20mQantas Airways
Deal found 21/11$1,559
Sun 30/1119:00PDX - SYD
1 stop19h 35mAir Canada
Sun 21/1211:20SYD - PDX
1 stop26h 10mAir Canada
Deal found 19/11$1,618
Wed 26/1115:15PDX - SYD
1 stop23h 20mAir Canada
Mon 15/1211:20SYD - PDX
1 stop26h 10mAir Canada
Deal found 19/11$1,660
Sat 27/1209:50PDX - SYD
1 stop28h 45mAir Canada
Wed 4/311:20SYD - PDX
1 stop16h 55mAir Canada
Deal found 19/11$1,680

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 21 November 2025.

Round-trip from

$1,318

One-way from

$715

Popular in

December

Cheapest in

September

Average price

$1,621
Qantas Airways
  • Qantas Airways
  • 9/3-24/3
  • 3 total stops
  • 38h 54m total
  • Oregon to Sydney
Search Deals
7/3
  • 7/3
  • 2 total stops
  • 43h 47m total
  • Oregon to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($279 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($89 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 21 November 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

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Fri 5/12

19:50-09:15

1 stop18h 25m

Sydney Kingsford Smith

Fri 12/12

11:20-15:05

1 stop22h 45m

$1,355

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Thu 4/12

13:54-09:15

1 stop24h 21m

Sydney Kingsford Smith

Sat 13/12

12:10-12:15

1 stop19h 05m

$1,355

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Sat 6/12

13:54-09:15

1 stop24h 21m

Sydney Kingsford Smith

Fri 12/12

14:00-18:40

1 stop23h 40m

$1,355

MedfordSydney

MFR - SYD

MFRSYD

Medford

Sat 28/2

14:00-09:15

1 stop24h 15m

Sydney Kingsford Smith

Sat 14/3

12:10-10:59

1 stop16h 49m

$1,355

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Wed 3/12

07:00-08:30

2 stops30h 30m

Sydney Kingsford Smith

Sun 7/12

10:40-22:50

2 stops31h 10m

$1,361

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Wed 25/2

07:00-08:30

2 stops30h 30m

Sydney Kingsford Smith

Tue 10/3

13:15-22:42

2 stops27h 27m

$1,361

MedfordSydney

MFR - SYD

MFRSYD

Medford

Mon 1/12

06:00-08:30

2 stops31h 30m

Sydney Kingsford Smith

Tue 9/12

10:40-16:43

2 stops25h 03m

$1,361

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 3/12

06:00-08:30

2 stops31h 30m

Sydney Kingsford Smith

Sun 7/12

10:40-16:43

2 stops25h 03m

$1,361

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Mon 9/2

06:10-08:30

2 stops31h 20m

Sydney Kingsford Smith

Sun 22/2

10:40-16:37

2 stops24h 57m

$1,361

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Fri 5/12

13:54-09:15

1 stop24h 21m

Sydney Kingsford Smith

Sat 13/12

12:10-20:55

2 stops27h 45m

$1,363

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 37 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, February is the cheapest month in which you can book a flight from Oregon to Sydney (average of $797). Flying from Oregon to Sydney in January is currently the most expensive (average of $1,474). 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 21 November 2025.

A simple way to save on the total cost of your ticket is to fly from Oregon to Sydney in the morning. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight at midday.

How much does it cost for a return flight from Oregon to Sydney?

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.

  • How long is the flight from Oregon to Sydney?

    For as low as $1,479, United Airlines can have you in Sydney from Oregon in 18h 19m. There are 12350 km between Oregon and Sydney. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    While some choose either Medford - Sydney Kingsford Smith or Eugene - 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, February is the cheapest month in which you can book a flight from Oregon to Sydney (average of $797). Flying from Oregon to Sydney in January is currently the most expensive (average of $1,474). 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 Sydney?

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

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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 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,284Average$1,983FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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