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Cheap flights from Oregon to Sydney from $641

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
21 Apr — 28 Apr1
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 22 March 2026.

Sat 16/515:30
PDX
-
SYD
1 stop22h 50m
Air Canada
Sun 24/509:20
SYD
-
PDX
1 stop22h 25m
Air Canada
Deal found 17/3$1,364
Thu 1/1010:10
PDX
-
SYD
1 stop28h 10m
Air Canada
Thu 8/1010:20
SYD
-
PDX
1 stop17h 11m
Air Canada
Deal found 17/3$1,378
Sun 19/419:05
PDX
-
SYD
1 stop19h 15m
Multiple Airlines
Sun 26/406:00
SYD
-
PDX
2 stops20h 10m
Multiple Airlines
Deal found 17/3$1,404
Sat 2/506:22
RDM
-
SYD
2 stops36h 28m
Multiple Airlines
Sat 9/513:15
SYD
-
RDM
2 stops27h 11m
Multiple Airlines
Deal found 18/3$1,406
Fri 22/510:10
PDX
-
SYD
1 stop28h 10m
Air Canada
Tue 2/609:20
SYD
-
PDX
1 stop17h 10m
Air Canada
Deal found 17/3$1,418
Mon 6/715:30
PDX
-
SYD
1 stop22h 50m
Air Canada
Sun 26/709:20
SYD
-
PDX
1 stop22h 31m
Air Canada
Deal found 20/3$1,419
Thu 9/409:50
PDX
-
SYD
1 stop28h 30m
Air Canada
Thu 16/409:20
SYD
-
PDX
1 stop26h 10m
Air Canada
Deal found 17/3$1,426
Mon 4/514:07
MFR
-
SYD
1 stop23h 48m
United Airlines
Mon 18/510:20
SYD
-
MFR
1 stop24h 35m
United Airlines
Deal found 17/3$1,428
Wed 27/514:11
MFR
-
SYD
2 stops23h 49m
United Airlines
Mon 10/810:20
SYD
-
MFR
1 stop24h 31m
United Airlines
Deal found 18/3$1,429
Tue 4/818:49
EUG
-
SYD
1 stop19h 06m
United Airlines
Tue 18/810:20
SYD
-
EUG
1 stop18h 38m
United Airlines
Deal found 21/3$1,429
Sun 3/518:55
RDM
-
SYD
1 stop19h 00m
United Airlines
Sun 10/510:20
SYD
-
RDM
1 stop18h 33m
United Airlines
Deal found 19/3$1,431
Sun 3/519:13
EUG
-
SYD
1 stop18h 42m
United Airlines
Sun 17/510:20
SYD
-
EUG
1 stop25h 12m
United Airlines
Deal found 19/3$1,431

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 22 March 2026.

Round-trip from

$1,364

One-way from

$641

Popular in

December

Cheapest in

September

Average price

$1,750
Air Canada
  • Air Canada
  • 16/5-24/5
  • 2 total stops
  • 45h 15m total
  • Oregon to Sydney
Search Deals
Air Canada
  • Air Canada
  • 1/7
  • 1 total stop
  • 22h 50m total
  • Oregon to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($302 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($105 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 22 March 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

MedfordSydney

MFR - SYD

MFRSYD

Medford

Mon 4/5

14:07-07:00

2 stops23h 53m

Sydney Kingsford Smith

Mon 18/5

10:20-17:55

1 stop24h 35m

$1,428

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 27/5

14:11-07:00

2 stops23h 49m

Sydney Kingsford Smith

Mon 10/8

10:20-17:51

1 stop24h 31m

$1,429

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Sun 3/5

18:55-06:55

1 stop19h 00m

Sydney Kingsford Smith

Sun 10/5

10:20-11:53

1 stop18h 33m

$1,431

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sun 3/5

19:13-06:55

1 stop18h 42m

Sydney Kingsford Smith

Sun 17/5

10:20-18:32

1 stop25h 12m

$1,431

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Mon 20/4

05:00-07:00

2 stops33h 00m

Sydney Kingsford Smith

Mon 27/4

09:30-21:07

2 stops28h 37m

$1,436

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Tue 4/8

12:57-07:00

2 stops25h 03m

Sydney Kingsford Smith

Tue 18/8

10:20-11:58

1 stop18h 38m

$1,436

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Sat 9/5

12:55-06:55

2 stops49h 00m

Sydney Kingsford Smith

Sat 23/5

09:30-21:12

2 stops28h 42m

$1,527
Fastest return journey

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Fri 8/5

18:56-06:55

1 stop18h 59m

Sydney Kingsford Smith

Fri 22/5

10:20-11:51

1 stop18h 31m

$1,573

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Fri 8/5

13:58-06:55

1 stop23h 57m

Sydney Kingsford Smith

Sat 16/5

10:20-11:50

1 stop18h 30m

$1,573

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 2/5

05:00-07:00

2 stops33h 00m

Sydney Kingsford Smith

Sat 9/5

09:30-21:05

2 stops28h 35m

$1,577

Flights are sorted by cheapest return flights first.

Deals found on 17/3

Showing 1-10 of 46 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, February is the cheapest month in which you can book a flight from Oregon to Sydney (average of $717). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,634). 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?

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 $1,750, United Airlines can have you in Sydney from Oregon in 20h 39m. There are 12704 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 Boise Air Term. Gowen Fld - 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 $717). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,634). 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
Katoomba
Manly
Terrigal
Lithgow
Bondi Beach
Coogee
Cronulla
Leura
Randwick

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,365Average$2,536FlexibilityNo 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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