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Cheap flights from Oregon to Sydney from $718

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
28 Jul — 4 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 28 June 2026.

Mon 14/907:03
PDX
-
SYD
2 stops35h 47m
Multiple Airlines
Sun 27/913:15
SYD
-
PDX
2 stops25h 40m
Multiple Airlines
Deal found 27/6$1,438
Wed 4/1107:00
PDX
-
SYD
1 stop17h 45m
Multiple Airlines
Tue 10/1121:40
SYD
-
PDX
1 stop18h 09m
Multiple Airlines
Deal found 27/6$1,541
Mon 31/808:00
PDX
-
SYD
1 stop17h 50m
Alaska Airlines
Sun 13/920:45
SYD
-
PDX
1 stop17h 01m
Alaska Airlines
Deal found 25/6$1,542
Mon 24/808:00
PDX
-
SYD
1 stop17h 50m
Alaska Airlines
Sun 30/820:45
SYD
-
PDX
1 stop26h 29m
Alaska Airlines
Deal found 24/6$1,587
Wed 1/707:46
PDX
-
SYD
1 stop18h 04m
Alaska Airlines
Thu 9/720:45
SYD
-
PDX
1 stop26h 26m
Alaska Airlines
Deal found 28/6$1,609
Sun 28/617:32
PDX
-
SYD
1 stop32h 18m
Alaska Airlines
Sun 5/720:45
SYD
-
PDX
1 stop17h 05m
Alaska Airlines
Deal found 24/6$1,612
Wed 9/908:00
PDX
-
SYD
1 stop17h 50m
Alaska Airlines
Sun 20/920:45
SYD
-
PDX
1 stop17h 01m
Alaska Airlines
Deal found 27/6$1,615
Wed 5/807:00
PDX
-
SYD
1 stop31h 30m
Qantas Airways
Wed 12/809:10
SYD
-
PDX
1 stop31h 49m
Qantas Airways
Deal found 25/6$1,631
Sat 1/807:46
PDX
-
SYD
1 stop18h 04m
Alaska Airlines
Sun 16/820:45
SYD
-
PDX
1 stop26h 26m
Alaska Airlines
Deal found 23/6$1,634
Tue 11/818:51
BOI
-
SYD
1 stop20h 39m
Qantas Airways
Tue 18/817:50
SYD
-
BOI
1 stop20h 55m
Qantas Airways
Deal found 26/6$1,653
Sun 9/818:49
RDM
-
SYD
1 stop18h 36m
Multiple Airlines
Sun 16/817:50
SYD
-
RDM
1 stop22h 09m
Multiple Airlines
Deal found 25/6$1,706
Sun 9/806:08
MFR
-
SYD
1 stop32h 22m
Multiple Airlines
Sun 16/821:25
SYD
-
MFR
2 stops29h 26m
Multiple Airlines
Deal found 25/6$1,709

Find flight deals from Oregon to Sydney

Keep the following information in mind while searching for Oregon to Sydney flight deals. Data was last updated 28 June 2026.

Round-trip from

$1,438

One-way from

$718

Popular in

December

Cheapest in

September

Average price

$1,619
14/9-27/9
  • 14/9-27/9
  • 4 total stops
  • 61h 27m total
  • Oregon to Sydney
Search Deals
8/9
  • 8/9
  • 3 total stops
  • 48h 54m total
  • Oregon to Sydney
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($350 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($111 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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 28 June 2026.
Use the filters below to find and compare flights from Oregon to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Sun 9/8

18:49-06:25

1 stop18h 36m

Sydney Kingsford Smith

Sun 16/8

17:50-22:59

1 stop22h 09m

$1,706

MedfordSydney

MFR - SYD

MFRSYD

Medford

Sun 9/8

06:08-07:30

1 stop32h 22m

Sydney Kingsford Smith

Sun 16/8

21:25-09:51

2 stops29h 26m

$1,709

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 5/8

16:34-07:30

1 stop21h 56m

Sydney Kingsford Smith

Wed 30/9

17:50-22:43

1 stop21h 53m

$1,715

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 5/8

14:11-07:00

2 stops23h 49m

Sydney Kingsford Smith

Wed 30/9

10:20-18:08

1 stop24h 48m

$1,719

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Mon 27/7

14:00-06:55

1 stop24h 55m

Sydney Kingsford Smith

Mon 3/8

10:20-21:40

1 stop27h 20m

$1,719

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 27/7

18:03-06:55

1 stop19h 52m

Sydney Kingsford Smith

Mon 3/8

10:20-16:47

1 stop23h 27m

$1,719

MedfordSydney

MFR - SYD

MFRSYD

Medford

Sun 9/8

05:00-07:00

2 stops33h 00m

Sydney Kingsford Smith

Sun 16/8

10:20-17:45

1 stop24h 25m

$1,725

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 31/8

12:45-07:00

2 stops25h 15m

Sydney Kingsford Smith

Sun 13/9

10:20-14:40

1 stop21h 20m

$1,725

PortlandSydney

PDX - SYD

PDXSYD

Portland

Wed 5/8

08:35-07:00

3 stops29h 25m

Sydney Kingsford Smith

Wed 12/8

10:20-12:00

1 stop18h 40m

$1,725

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Sun 9/8

05:10-06:50

2 stops32h 40m

Sydney Kingsford Smith

Sun 16/8

09:15-22:58

2 stops30h 43m

$1,726

Flights are sorted by cheapest return flights first.

Deals found on 26/6

Showing 1-10 of 44 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from Oregon to Sydney (average of $257). Flying from Oregon to Sydney in March is currently the most expensive (average of $1,486). 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.

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

How far ahead should I book a flight from Oregon to Sydney?

The price you pay for your flight from Oregon to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $1,689, Alaska Airlines can have you in Sydney from Oregon in 18h 04m. 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 Eugene - Sydney Kingsford Smith or Boise Air Term. Gowen Fld - 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, April is the cheapest month in which you can book a flight from Oregon to Sydney (average of $257). Flying from Oregon to Sydney in March is currently the most expensive (average of $1,486). 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
Penrith
Manly
Katoomba
Cronulla
Terrigal
Lithgow
Randwick
Bondi Beach
Leura
Coogee

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 28 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,390Average$2,668FlexibilityNo 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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