Cheap flights from Oregon to Sydney from $704

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 20/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

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 15 January 2026.

Round-trip from

$1,374

One-way from

$704

Popular in

December

Cheapest in

June

Average price

$1,738
Qantas Airways
  • Qantas Airways
  • 28/1-8/2
  • 3 total stops
  • 52h 25m total
  • Oregon to Sydney
20/2
  • 20/2
  • 2 total stops
  • 45h 57m total
  • Oregon to Sydney
Highest demand for flights based on searches. 13% potential increase in price ($398 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($124 potential savings vs. average return price).
Average for round-trip flights in January 2026

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 15 January 2026.

Wed 28/115:22
PDX
-
SYD
1 stop22h 38m
Qantas Airways
Sun 8/207:05
SYD
-
PDX
2 stops29h 47m
Qantas Airways
Deal found 13/1$1,374
Thu 22/107:24
PDX
-
SYD
1 stop29h 01m
Qantas Airways
Fri 6/207:05
SYD
-
PDX
2 stops28h 44m
Qantas Airways
Deal found 13/1$1,385
Wed 28/115:22
PDX
-
SYD
1 stop22h 38m
Qantas Airways
Sun 15/207:05
SYD
-
PDX
2 stops29h 08m
Qantas Airways
Deal found 14/1$1,406
Sun 18/114:30
PDX
-
SYD
1 stop20h 40m
Qantas Airways
Sun 15/207:05
SYD
-
PDX
2 stops29h 08m
Qantas Airways
Deal found 14/1$1,416
Sun 1/214:30
PDX
-
SYD
1 stop20h 40m
Qantas Airways
Sat 7/207:05
SYD
-
PDX
2 stops29h 47m
Qantas Airways
Deal found 14/1$1,431
Mon 9/217:50
PDX
-
SYD
2 stops32h 00m
Qantas Airways
Thu 19/211:20
SYD
-
PDX
1 stop31h 22m
Qantas Airways
Deal found 14/1$1,439
Tue 17/206:25
PDX
-
SYD
1 stop30h 00m
Qantas Airways
Tue 24/207:05
SYD
-
PDX
2 stops29h 08m
Qantas Airways
Deal found 14/1$1,442
Thu 26/206:25
PDX
-
SYD
2 stops43h 25m
Qantas Airways
Tue 10/321:25
SYD
-
PDX
1 stop17h 09m
Qantas Airways
Deal found 14/1$1,449
Thu 1/1017:40
PDX
-
SYD
2 stops23h 50m
Qantas Airways
Tue 13/1021:25
SYD
-
PDX
1 stop17h 23m
Qantas Airways
Deal found 13/1$1,452
Mon 2/217:50
PDX
-
SYD
1 stop20h 10m
Qantas Airways
Wed 11/207:05
SYD
-
PDX
2 stops25h 36m
Qantas Airways
Deal found 14/1$1,464
Tue 1/917:55
PDX
-
SYD
1 stop19h 30m
Qantas Airways
Tue 8/906:25
SYD
-
PDX
2 stops31h 06m
Qantas Airways
Deal found 13/1$1,466
Mon 23/212:25
RDM
-
SYD
2 stops25h 05m
Delta
Sun 8/310:40
SYD
-
RDM
2 stops30h 15m
Delta
Deal found 14/1$1,479

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 15 January 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

Fri 6/3

07:00-08:30

2 stops30h 30m

Sydney Kingsford Smith

Fri 20/3

09:40-22:58

2 stops31h 18m

$1,479

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Mon 23/2

12:25-08:30

2 stops25h 05m

Sydney Kingsford Smith

Sun 8/3

10:40-21:55

2 stops30h 15m

$1,479

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Thu 16/4

06:10-06:35

2 stops31h 25m

Sydney Kingsford Smith

Sat 25/4

09:15-23:53

2 stops31h 38m

$1,479

MedfordSydney

MFR - SYD

MFRSYD

Medford

Sun 1/3

06:55-06:50

2 stops28h 55m

Sydney Kingsford Smith

Sun 8/3

10:40-22:04

2 stops30h 24m

$1,481

MedfordSydney

MFR - SYD

MFRSYD

Medford

Sun 5/4

06:00-06:35

2 stops31h 35m

Sydney Kingsford Smith

Sat 18/4

09:15-16:48

2 stops24h 33m

$1,481

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Fri 1/5

06:10-06:35

2 stops31h 25m

Sydney Kingsford Smith

Fri 15/5

09:15-17:11

2 stops24h 56m

$1,481

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Mon 9/2

06:10-08:30

2 stops31h 20m

Sydney Kingsford Smith

Thu 19/2

10:40-22:55

2 stops31h 15m

$1,481

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sun 1/3

06:07-08:30

2 stops31h 23m

Sydney Kingsford Smith

Sun 8/3

10:40-16:09

2 stops24h 29m

$1,481

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 5/5

18:55-08:45

2 stops21h 50m

Sydney Kingsford Smith

Mon 18/5

09:55-19:16

2 stops25h 21m

$1,738

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 21/5

07:55-18:50

1 stop17h 55m

Sydney Kingsford Smith

Fri 12/6

20:45-20:50

1 stop17h 05m

$1,739

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 50 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 $754). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,714). 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 $1,739, Delta can have you in Sydney from Oregon in 17h 55m. 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?

  • 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 $754). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,714). 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
Terrigal
Katoomba
Manly
Lithgow
Coogee
Leura
Randwick
Cronulla
Bondi Beach

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 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,347Average$2,664FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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