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$426+ Cheap flights from Oregon to Sydney (SYD)

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Sep 8 — Sep 151
Mon 9/8
Mon 9/15
1 adult, Economy
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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 September 3, 2025.

Round-trip from

$877
(United Airlines)

One-way from

$426
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$1,001
From Oregon to Sydney Kingsford Smith
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One-way flight from Oregon to Sydney Kingsford Smith
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Highest demand for flights based on searches. 9% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Oregon to Sydney

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 September 3, 2025.

This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/12:09 pmEUG - SYD
1 stop25h 06mUnited Airlines
Fri 11/1411:20 amSYD - EUG
2 stops25h 30mUnited Airlines
Deal found 9/1$877
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/261:08 pmEUG - SYD
2 stops48h 52mUnited Airlines
Fri 10/39:30 amSYD - EUG
2 stops28h 35mUnited Airlines
Deal found 9/3$895
This Air Canada deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/23:25 pmPDX - SYD
1 stop22h 55mAir Canada
Tue 9/239:20 amSYD - PDX
1 stop26h 26mAir Canada
Deal found 9/1$908
This Air Canada deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:40 pmPDX - SYD
1 stop18h 40mAir Canada
Tue 9/309:20 amSYD - PDX
1 stop26h 26mAir Canada
Deal found 9/2$909
This Air Canada deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:40 pmPDX - SYD
1 stop18h 40mAir Canada
Sun 9/219:20 amSYD - PDX
1 stop17h 01mAir Canada
Deal found 9/1$912
This Air Canada deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:40 pmPDX - SYD
2 stops22h 00mAir Canada
Wed 2/411:20 amSYD - PDX
1 stop22h 25mAir Canada
Deal found 9/1$927
This FlightHub deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:35 pmPDX - SYD
1 stop20h 30mQantas Airways
Wed 2/411:15 amSYD - PDX
1 stop24h 13mQantas Airways
Deal found 9/1$937
This FlightHub deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/223:25 pmPDX - SYD
2 stops35h 15mAir Canada
Tue 9/309:20 amSYD - PDX
1 stop17h 01mAir Canada
Deal found 9/1$938
This Air Canada deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/63:25 pmPDX - SYD
1 stop22h 55mAir Canada
Wed 9/179:20 amSYD - PDX
1 stop26h 26mAir Canada
Deal found 9/3$956
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/181:47 pmRDM - SYD
1 stop24h 08mUnited Airlines
Sat 10/2510:30 amSYD - RDM
1 stop22h 34mUnited Airlines
Deal found 9/3$1,009
This Trip.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/161:47 pmEUG - SYD
2 stops24h 18mMultiple Airlines
Thu 10/2310:10 amSYD - EUG
2 stops32h 09mMultiple Airlines
Deal found 9/1$1,031
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:00 amRDM - SYD
2 stops30h 35mDelta
Sat 10/2510:25 amSYD - RDM
2 stops26h 21mDelta
Deal found 9/3$1,046

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 3, 2025.
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

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 11/1

2:09 pm-9:15 am

1 stop25h 06m

Sydney Kingsford Smith

Fri 11/14

11:20 am-5:50 pm

2 stops25h 30m

$877

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Fri 9/26

1:08 pm-7:00 am

2 stops48h 52m

Sydney Kingsford Smith

Fri 10/3

9:30 am-9:05 pm

2 stops28h 35m

$895

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/23

7:40 pm-7:20 am

1 stop18h 40m

Sydney Kingsford Smith

Tue 9/30

9:20 am-2:46 pm

1 stop22h 26m

$908

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 9/15

5:35 pm-7:05 am

1 stop20h 30m

Sydney Kingsford Smith

Wed 2/4

11:15 am-4:28 pm

1 stop24h 13m

$937

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 9/22

2:56 pm-7:05 am

1 stop23h 09m

Sydney Kingsford Smith

Tue 9/30

9:10 am-1:24 pm

1 stop21h 14m

$937

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 9/15

3:25 pm-10:40 am

2 stops26h 15m

Sydney Kingsford Smith

Wed 2/4

8:30 am-9:15 am

2 stops19h 45m

$942

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/23

7:40 pm-11:25 am

2 stops22h 45m

Sydney Kingsford Smith

Tue 9/30

7:00 am-9:21 am

2 stops19h 21m

$968

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/23

6:15 am-7:20 am

1 stop32h 05m

Sydney Kingsford Smith

Sun 9/28

9:20 am-9:21 am

1 stop17h 01m

$982

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/23

7:04 am-6:55 am

2 stops30h 51m

Sydney Kingsford Smith

Sun 9/28

10:20 am-6:33 pm

1 stop25h 13m

$990

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/30

1:40 pm-6:35 am

2 stops23h 55m

Sydney Kingsford Smith

Tue 10/7

10:25 am-7:19 pm

2 stops26h 54m

$991

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/1

Showing 1-10 of 59 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 round-trip 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 $1,033). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,622). 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.

What is the cheapest time of day to fly from OR to SYD?

Find hourly flight availability from Oregon to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Sydney as you normally would.

How much does it cost to fly round-trip 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?

    Located just 4.6 mi from the city center, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Oregon.

  • How long is the flight from Oregon to Sydney?

    Departing from Oregon to Sydney will take you 18h 40m. Airlines will cover a distance of 7674 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Oregon to Sydney one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $426. Users have also found prices from $539 and $556 on Qantas Airways and Air Canada, respectively.

  • What are the most popular routes from Oregon to Sydney?

    When deciding which route to take from Oregon to Sydney consider Portland - Sydney Kingsford Smith, Boise Air Term. Gowen Fld - Sydney Kingsford Smith or Medford - Sydney Kingsford Smith as they are the most popular.

  • 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 vacation 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 $1,033). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,622). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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Top 8 airlines flying from Oregon to Sydney

Discover the top 8 airlines 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 2,558,603 searches. Data last updated September 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$550Average$1,158FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$656Average$1,254FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$842Average$1,076FlexibilityNo cancel feeOn-time67%
DeltaCheapest$879Average$1,087FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$898Average$1,345FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$954Average$1,052FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$1,099Average$1,246FlexibilityNo cancel feeOn-time75%
Air New ZealandCheapest$1,141Average$1,383FlexibilityNo cancel feeOn-time78%

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