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Cheap flights from Oregon to Sydney from $802

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
11 Aug — 18 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 12 July 2026.

Mon 3/807:46
PDX
-
SYD
1 stop18h 04m
Alaska Airlines
Sun 16/820:45
SYD
-
PDX
1 stop26h 26m
Alaska Airlines
Deal found 10/7$1,540
Mon 31/810:10
PDX
-
SYD
2 stops40h 00m
ANA
Sun 13/911:45
SYD
-
PDX
2 stops24h 26m
ANA
Deal found 10/7$1,551
Mon 31/810:10
PDX
-
SYD
2 stops30h 15m
Multiple Airlines
Sun 13/911:45
SYD
-
PDX
2 stops24h 26m
Multiple Airlines
Deal found 8/7$1,556
Sun 2/817:32
PDX
-
SYD
1 stop32h 18m
Alaska Airlines
Tue 11/820:45
SYD
-
PDX
1 stop17h 05m
Alaska Airlines
Deal found 7/7$1,567
Tue 1/1205:55
RDM
-
SYD
2 stops31h 35m
Delta
Tue 8/1210:40
SYD
-
RDM
2 stops31h 06m
Delta
Deal found 9/7$1,571
Sun 6/906:10
EUG
-
SYD
2 stops31h 40m
Delta
Sun 20/909:15
SYD
-
EUG
2 stops31h 32m
Delta
Deal found 8/7$1,571
Sun 16/810:30
PDX
-
SYD
1 stop39h 20m
Alaska Airlines
Sat 22/820:45
SYD
-
PDX
1 stop26h 29m
Alaska Airlines
Deal found 11/7$1,599
Sun 18/1010:30
PDX
-
SYD
1 stop38h 20m
Alaska Airlines
Sat 31/1021:40
SYD
-
PDX
1 stop26h 39m
Alaska Airlines
Deal found 11/7$1,600
Sun 15/1110:30
PDX
-
SYD
1 stop38h 15m
Alaska Airlines
Tue 1/1221:40
SYD
-
PDX
1 stop18h 10m
Alaska Airlines
Deal found 8/7$1,605
Sun 9/817:32
PDX
-
SYD
1 stop32h 18m
Alaska Airlines
Sun 16/820:45
SYD
-
PDX
1 stop26h 26m
Alaska Airlines
Deal found 11/7$1,607
Tue 4/810:30
PDX
-
SYD
1 stop39h 20m
Alaska Airlines
Tue 11/820:45
SYD
-
PDX
1 stop17h 05m
Alaska Airlines
Deal found 7/7$1,609
Sun 25/1010:30
PDX
-
SYD
1 stop39h 15m
Alaska Airlines
Sun 8/1121:40
SYD
-
PDX
1 stop18h 09m
Alaska Airlines
Deal found 11/7$1,610

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 12 July 2026.

Round-trip from

$1,540

One-way from

$802

Popular in

December

Cheapest in

September

Average price

$1,869
Alaska Airlines
  • Alaska Airlines
  • 3/8-16/8
  • 2 total stops
  • 44h 30m total
  • Oregon to Sydney
Search Deals
ANA
  • ANA
  • 28/7
  • 2 total stops
  • 40h 00m total
  • Oregon to Sydney
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($332 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 July 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 12 July 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

Tue 1/12

05:55-08:30

2 stops31h 35m

Sydney Kingsford Smith

Tue 8/12

10:40-22:46

2 stops31h 06m

$1,571

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sun 6/9

06:10-06:50

2 stops31h 40m

Sydney Kingsford Smith

Sun 20/9

09:15-23:47

2 stops31h 32m

$1,571

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sun 1/11

17:57-10:20

2 stops22h 23m

Sydney Kingsford Smith

Sun 8/11

21:25-21:21

1 stop17h 56m

$1,632

MedfordSydney

MFR - SYD

MFRSYD

Medford

Thu 12/11

13:20-11:55

3 stops27h 35m

Sydney Kingsford Smith

Wed 10/2

21:25-00:33

2 stops22h 08m

$1,639

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sun 6/9

15:08-09:10

3 stops25h 02m

Sydney Kingsford Smith

Sun 20/9

17:50-22:41

2 stops21h 51m

$1,639

MedfordSydney

MFR - SYD

MFRSYD

Medford

Thu 12/11

05:55-08:30

2 stops31h 35m

Sydney Kingsford Smith

Wed 10/2

10:40-23:12

2 stops31h 32m

$1,643

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Fri 21/8

18:47-06:25

1 stop18h 38m

Sydney Kingsford Smith

Fri 28/8

17:10-22:25

2 stops22h 15m

$1,645

MedfordSydney

MFR - SYD

MFRSYD

Medford

Thu 6/8

16:34-07:30

1 stop21h 56m

Sydney Kingsford Smith

Thu 13/8

17:10-22:02

2 stops21h 52m

$1,646
Fastest return journey

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 2/11

07:00-19:45

1 stop17h 45m

Sydney Kingsford Smith

Thu 5/11

21:40-20:49

1 stop18h 09m

$1,656

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 3/8

08:50-07:00

2 stops29h 10m

Sydney Kingsford Smith

Sun 16/8

09:30-15:03

2 stops22h 33m

$1,692

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 34 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 $254). Flying from Oregon to Sydney in August is currently the most expensive (average of $1,504). 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 39 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 $1,850, Delta can have you in Sydney from Oregon in 24h 30m. 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 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 $254). Flying from Oregon to Sydney in August is currently the most expensive (average of $1,504). 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
Lithgow
Cronulla
Terrigal
Randwick
Leura
Bondi Beach
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 12 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,394Average$2,646FlexibilityNo 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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