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Cheap flights from Oregon to Sydney from $743

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
26 May — 2 Jun1
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 26 April 2026.

Mon 27/407:00
PDX
-
SYD
1 stop18h 50m
Multiple Airlines
Sun 10/520:45
SYD
-
PDX
1 stop25h 26m
Multiple Airlines
Deal found 23/4$1,489
Mon 3/817:37
PDX
-
SYD
2 stops25h 13m
Multiple Airlines
Fri 14/813:15
SYD
-
PDX
2 stops27h 41m
Multiple Airlines
Deal found 23/4$1,510
Wed 19/814:50
PDX
-
SYD
2 stops28h 00m
Multiple Airlines
Wed 2/913:15
SYD
-
PDX
2 stops24h 35m
Multiple Airlines
Deal found 22/4$1,528
Mon 27/417:49
PDX
-
SYD
2 stops25h 01m
Multiple Airlines
Wed 6/513:15
SYD
-
PDX
2 stops24h 20m
Multiple Airlines
Deal found 21/4$1,530
Sun 3/519:45
PDX
-
SYD
1 stop18h 35m
Air Canada
Tue 19/509:20
SYD
-
PDX
1 stop26h 45m
Air Canada
Deal found 25/4$1,538
Sat 21/1114:30
PDX
-
SYD
2 stops27h 05m
Multiple Airlines
Sun 29/1114:00
SYD
-
PDX
2 stops38h 46m
Multiple Airlines
Deal found 24/4$1,540
Sat 22/815:30
PDX
-
SYD
2 stops26h 10m
Air Canada
Sat 3/1009:20
SYD
-
PDX
1 stop26h 46m
Air Canada
Deal found 21/4$1,547
Mon 11/507:00
PDX
-
SYD
1 stop18h 50m
Multiple Airlines
Sun 17/520:45
SYD
-
PDX
1 stop17h 03m
Multiple Airlines
Deal found 21/4$1,552
Sun 7/617:34
PDX
-
SYD
1 stop32h 16m
Alaska Airlines
Sun 14/620:45
SYD
-
PDX
1 stop17h 05m
Alaska Airlines
Deal found 23/4$1,556
Fri 4/914:50
PDX
-
SYD
2 stops28h 00m
Multiple Airlines
Sun 13/913:15
SYD
-
PDX
2 stops24h 35m
Multiple Airlines
Deal found 23/4$1,561
Sun 9/814:39
PDX
-
SYD
2 stops28h 11m
Multiple Airlines
Fri 14/813:15
SYD
-
PDX
2 stops24h 16m
Multiple Airlines
Deal found 24/4$1,562
Wed 27/505:15
MFR
-
SYD
2 stops32h 35m
Delta
Mon 10/809:15
SYD
-
MFR
2 stops30h 58m
Delta
Deal found 26/4$1,698

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 26 April 2026.

Round-trip from

$1,510

One-way from

$743

Popular in

December

Cheapest in

September

Average price

$1,611
3/8-14/8
  • 3/8-14/8
  • 4 total stops
  • 52h 54m total
  • Oregon to Sydney
Search Deals
8/9
  • 8/9
  • 2 total stops
  • 25h 15m total
  • Oregon to Sydney
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($302 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($101 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 26 April 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

Wed 6/5

13:20-07:00

1 stop24h 40m

Sydney Kingsford Smith

Sun 10/5

09:30-12:38

1 stop20h 08m

$1,719

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 27/5

14:11-06:55

1 stop23h 44m

Sydney Kingsford Smith

Mon 10/8

10:20-17:51

1 stop24h 31m

$1,719

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Thu 7/5

13:58-06:55

1 stop23h 57m

Sydney Kingsford Smith

Wed 20/5

10:20-11:50

1 stop18h 30m

$1,719

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Wed 13/5

13:20-07:00

1 stop24h 40m

Sydney Kingsford Smith

Sun 17/5

10:20-18:03

1 stop24h 43m

$1,720

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Fri 7/8

18:49-06:55

1 stop19h 06m

Sydney Kingsford Smith

Tue 11/8

10:20-15:28

1 stop22h 08m

$1,720

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Sat 23/5

13:22-07:00

2 stops24h 38m

Sydney Kingsford Smith

Thu 4/6

09:30-21:12

2 stops28h 42m

$1,726

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Wed 27/5

05:00-06:55

2 stops32h 55m

Sydney Kingsford Smith

Sun 31/5

09:30-21:12

2 stops28h 42m

$1,726

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Tue 9/6

13:14-06:55

2 stops24h 41m

Sydney Kingsford Smith

Tue 16/6

10:20-12:12

1 stop18h 52m

$1,726

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Fri 22/5

12:57-07:00

2 stops25h 03m

Sydney Kingsford Smith

Fri 29/5

10:20-11:37

2 stops42h 17m

$1,726

MedfordSydney

MFR - SYD

MFRSYD

Medford

Fri 3/7

12:27-06:50

2 stops25h 23m

Sydney Kingsford Smith

Thu 9/7

09:15-23:15

2 stops31h 00m

$1,727

Flights are sorted by cheapest return flights first.

Deals found on 21/4

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

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 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Oregon to Sydney?

Currently, September is the cheapest month in which you can book a flight from Oregon to Sydney (average of $194). Flying from Oregon to Sydney in March is currently the most expensive (average of $1,433). 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 $1,573, Alaska Airlines can have you in Sydney from Oregon in 17h 50m. 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 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, September is the cheapest month in which you can book a flight from Oregon to Sydney (average of $194). Flying from Oregon to Sydney in March is currently the most expensive (average of $1,433). 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
Terrigal
Lithgow
Cronulla
Manly
Bondi Beach
Leura
Randwick
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 26 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,341Average$2,491FlexibilityNo 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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