Find flights
When to book
FAQs

Cheap flights from Oregon to Sydney from $703

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
2 May — 9 May1
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 2 April 2026.

Mon 6/715:30
PDX
-
SYD
1 stop22h 50m
Air Canada
Sun 26/709:20
SYD
-
PDX
1 stop22h 31m
Air Canada
Deal found 31/3$1,434
Mon 22/619:45
PDX
-
SYD
1 stop18h 35m
Air Canada
Tue 21/709:20
SYD
-
PDX
1 stop26h 46m
Air Canada
Deal found 31/3$1,436
Wed 13/507:00
RDM
-
SYD
2 stops35h 50m
Multiple Airlines
Wed 20/513:20
SYD
-
RDM
2 stops25h 14m
Multiple Airlines
Deal found 28/3$1,443
Mon 27/419:05
PDX
-
SYD
1 stop19h 15m
Air Canada
Wed 6/509:20
SYD
-
PDX
1 stop17h 10m
Air Canada
Deal found 27/3$1,449
Sun 5/715:30
PDX
-
SYD
1 stop22h 50m
Air Canada
Sun 19/709:20
SYD
-
PDX
1 stop17h 11m
Air Canada
Deal found 28/3$1,450
Mon 6/715:30
PDX
-
SYD
1 stop22h 50m
Multiple Airlines
Sun 26/706:00
SYD
-
PDX
2 stops20h 31m
Multiple Airlines
Deal found 31/3$1,462
Fri 4/919:45
PDX
-
SYD
1 stop18h 35m
Multiple Airlines
Sun 13/906:00
SYD
-
PDX
2 stops20h 31m
Multiple Airlines
Deal found 31/3$1,463
Mon 21/919:45
PDX
-
SYD
1 stop18h 35m
Air Canada
Mon 19/1008:00
SYD
-
PDX
2 stops29h 06m
Air Canada
Deal found 27/3$1,473
Sun 24/515:30
PDX
-
SYD
1 stop22h 50m
Multiple Airlines
Sat 6/620:10
SYD
-
PDX
2 stops30h 20m
Multiple Airlines
Deal found 28/3$1,475
Thu 24/915:30
PDX
-
SYD
2 stops26h 10m
Air Canada
Mon 5/1010:20
SYD
-
PDX
1 stop17h 11m
Air Canada
Deal found 31/3$1,479
Mon 10/814:11
MFR
-
SYD
2 stops23h 49m
United Airlines
Mon 17/810:20
SYD
-
MFR
1 stop24h 25m
United Airlines
Deal found 1/4$1,589
Wed 27/514:11
MFR
-
SYD
1 stop23h 44m
United Airlines
Mon 10/810:20
SYD
-
MFR
1 stop24h 31m
United Airlines
Deal found 30/3$1,590

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 2 April 2026.

Round-trip from

$1,434

One-way from

$703

Popular in

December

Cheapest in

September

Average price

$1,753
Air Canada
  • Air Canada
  • 16/6-21/7
  • 2 total stops
  • 35h 46m total
  • Oregon to Sydney
Search Deals
Air Canada
  • Air Canada
  • 8/4
  • 1 total stop
  • 28h 30m total
  • Oregon to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($312 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 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 2 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 13/5

07:00-11:50

2 stops35h 50m

Sydney Kingsford Smith

Wed 20/5

13:20-21:34

2 stops25h 14m

$1,443

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 21/9

19:45-07:20

1 stop18h 35m

Sydney Kingsford Smith

Mon 19/10

08:00-19:06

2 stops29h 06m

$1,473

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 21/9

19:45-11:40

2 stops22h 55m

Sydney Kingsford Smith

Tue 20/10

08:00-09:31

2 stops19h 31m

$1,503

PortlandSydney

PDX - SYD

PDXSYD

Portland

Wed 29/7

10:10-07:20

1 stop28h 10m

Sydney Kingsford Smith

Tue 4/8

09:20-09:31

1 stop17h 11m

$1,587

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

$1,590

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 27/5

05:15-06:50

2 stops32h 35m

Sydney Kingsford Smith

Mon 10/8

09:15-23:13

2 stops30h 58m

$1,596

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sun 26/4

05:15-06:50

2 stops32h 35m

Sydney Kingsford Smith

Sun 3/5

09:15-17:04

2 stops24h 49m

$1,597

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sun 26/4

14:00-06:55

1 stop23h 55m

Sydney Kingsford Smith

Sun 3/5

09:30-21:03

2 stops28h 33m

$1,597

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Fri 15/5

13:55-06:55

1 stop24h 00m

Sydney Kingsford Smith

Fri 22/5

10:20-12:12

1 stop18h 52m

$1,733

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Sat 16/5

06:10-06:50

2 stops31h 40m

Sydney Kingsford Smith

Sat 23/5

09:15-22:14

2 stops29h 59m

$1,740

Flights are sorted by cheapest return flights first.

Deals found on 1/4

Showing 1-10 of 50 resultsSorted by cheapest first
1
2
3
...
5

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 $727). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,656). 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 $1,473, Air Canada can have you in Sydney from Oregon in 18h 35m. 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 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 $727). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,656). 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
Lithgow
Manly
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 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,383Average$2,570FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.