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Cheap flights from Oregon to Sydney from $588

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
24 Mar — 31 Mar1
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 February 2026.

Wed 2/917:40
PDX
-
SYD
2 stops25h 10m
Multiple Airlines
Wed 16/913:15
SYD
-
PDX
2 stops24h 16m
Multiple Airlines
Deal found 21/2$1,244
Mon 27/409:50
PDX
-
SYD
1 stop28h 30m
Air Canada
Wed 6/509:20
SYD
-
PDX
1 stop22h 25m
Air Canada
Deal found 19/2$1,267
Tue 5/510:10
PDX
-
SYD
1 stop28h 10m
Air Canada
Tue 12/509:20
SYD
-
PDX
1 stop17h 10m
Air Canada
Deal found 19/2$1,271
Mon 27/719:45
PDX
-
SYD
1 stop18h 35m
Air Canada
Sun 9/809:20
SYD
-
PDX
1 stop17h 11m
Air Canada
Deal found 19/2$1,273
Tue 7/406:10
RDM
-
SYD
2 stops36h 40m
Multiple Airlines
Tue 14/406:00
SYD
-
RDM
2 stops34h 21m
Multiple Airlines
Deal found 20/2$1,278
Wed 16/915:30
PDX
-
SYD
1 stop22h 50m
Singapore Airlines
Tue 22/907:00
SYD
-
PDX
2 stops19h 31m
Singapore Airlines
Deal found 19/2$1,308
Mon 23/219:05
PDX
-
SYD
1 stop19h 30m
Air Canada
Sat 7/311:20
SYD
-
PDX
1 stop26h 10m
Air Canada
Deal found 19/2$1,315
Fri 4/915:25
PDX
-
SYD
1 stop22h 55m
Air Canada
Sun 13/909:20
SYD
-
PDX
1 stop26h 46m
Air Canada
Deal found 19/2$1,321
Mon 22/615:25
PDX
-
SYD
1 stop22h 55m
Air Canada
Tue 21/709:20
SYD
-
PDX
1 stop26h 46m
Air Canada
Deal found 20/2$1,333
Fri 25/910:10
PDX
-
SYD
1 stop28h 10m
Multiple Airlines
Wed 30/906:00
SYD
-
PDX
2 stops20h 31m
Multiple Airlines
Deal found 19/2$1,352
Mon 23/219:05
PDX
-
SYD
1 stop19h 30m
Multiple Airlines
Sat 7/308:30
SYD
-
PDX
2 stops19h 45m
Multiple Airlines
Deal found 19/2$1,356
Thu 30/415:15
PDX
-
SYD
1 stop23h 05m
Air Canada
Thu 14/509:20
SYD
-
PDX
1 stop22h 25m
Air Canada
Deal found 20/2$1,363

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 February 2026.

Round-trip from

$1,267

One-way from

$588

Popular in

December

Cheapest in

June

Average price

$1,627
Air Canada
  • Air Canada
  • 27/4-6/5
  • 2 total stops
  • 50h 55m total
  • Oregon to Sydney
Search Deals
Air Canada
  • Air Canada
  • 17/3
  • 1 total stop
  • 19h 30m total
  • Oregon to Sydney
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($346 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($107 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 February 2026.
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

Sun 8/3

18:35-09:15

1 stop20h 40m

Sydney Kingsford Smith

Thu 12/3

12:10-12:11

1 stop18h 01m

$1,397

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Sun 8/3

13:54-06:20

1 stop22h 26m

Sydney Kingsford Smith

Wed 11/3

12:10-12:11

1 stop18h 01m

$1,397

MedfordSydney

MFR - SYD

MFRSYD

Medford

Thu 9/7

14:11-06:55

1 stop23h 44m

Sydney Kingsford Smith

Fri 31/7

10:20-12:04

1 stop18h 44m

$1,397

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 27/5

14:11-07:00

2 stops23h 49m

Sydney Kingsford Smith

Mon 10/8

10:20-12:04

1 stop18h 44m

$1,397

MedfordSydney

MFR - SYD

MFRSYD

Medford

Sun 8/3

14:00-06:20

1 stop22h 20m

Sydney Kingsford Smith

Thu 12/3

12:10-17:41

1 stop23h 31m

$1,397

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sun 8/3

14:09-09:15

1 stop25h 06m

Sydney Kingsford Smith

Thu 12/3

12:10-12:15

1 stop18h 05m

$1,397

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 4/5

19:45-07:20

1 stop18h 35m

Sydney Kingsford Smith

Sat 16/5

20:10-09:30

2 stops30h 20m

$1,398

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 27/5

06:14-06:50

2 stops31h 36m

Sydney Kingsford Smith

Mon 10/8

09:15-16:47

2 stops24h 32m

$1,404

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 7/3

05:15-06:50

2 stops30h 35m

Sydney Kingsford Smith

Tue 10/3

09:40-17:09

2 stops25h 29m

$1,404

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Sun 24/5

05:00-06:55

2 stops32h 55m

Sydney Kingsford Smith

Sun 31/5

10:20-14:51

1 stop21h 31m

$1,404

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 49 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 $711). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,617). 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 $1,397, United Airlines can have you in Sydney from Oregon in 20h 40m. There are 12382 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 Bend/Redmond - 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 $711). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,617). 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
Leura
Coogee
Cronulla
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 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,295Average$2,513FlexibilityNo 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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