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$358+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 10/301:11 pmEUG - SYD
2 stops26h 04mUnited Airlines
Thu 11/611:50 amSYD - EUG
2 stops28h 48mUnited Airlines
Deal found 10/28$869
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/306:41 amEUG - SYD
1 stop28h 39mUnited Airlines
Sat 1/1712:10 pmSYD - EUG
1 stop19h 04mUnited Airlines
Deal found 10/29$897
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/305:00 amEUG - SYD
2 stops33h 05mUnited Airlines
Fri 1/162:00 pmSYD - EUG
2 stops26h 10mUnited Airlines
Deal found 10/29$902
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 12/305:00 amEUG - SYD
2 stops33h 05mUnited Airlines
Thu 1/152:00 pmSYD - EUG
2 stops26h 10mUnited Airlines
Deal found 10/30$903
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 12/296:37 pmEUG - SYD
1 stop40h 43mUnited Airlines
Sat 1/1712:10 pmSYD - EUG
1 stop19h 04mUnited Airlines
Deal found 10/29$904
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 12/296:37 pmEUG - SYD
1 stop40h 43mUnited Airlines
Fri 1/1612:10 pmSYD - EUG
2 stops28h 00mUnited Airlines
Deal found 10/30$909
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/302:05 pmEUG - SYD
1 stop21h 15mUnited Airlines
Wed 1/142:00 pmSYD - EUG
1 stop17h 23mUnited Airlines
Deal found 10/29$917
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 12/302:05 pmEUG - SYD
1 stop24h 10mUnited Airlines
Tue 1/2012:10 pmSYD - EUG
1 stop19h 04mUnited Airlines
Deal found 10/30$918
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/305:00 amEUG - SYD
2 stops30h 20mUnited Airlines
Tue 1/1311:20 amSYD - EUG
2 stops28h 58mUnited Airlines
Deal found 10/29$922
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 12/301:10 pmEUG - SYD
2 stops24h 55mUnited Airlines
Sun 1/182:00 pmSYD - EUG
1 stop17h 14mUnited Airlines
Deal found 10/30$923
This Trip.com deal was found by Cheapflights users on 10/29. 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.
Mon 11/171:21 pmPDX - SYD
1 stop24h 39mMultiple Airlines
Mon 11/2411:20 amSYD - PDX
1 stop24h 00mMultiple Airlines
Deal found 10/29$992
This Air Canada deal was found by Cheapflights users on 10/28. 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 11/187:00 pmPDX - SYD
1 stop19h 35mAir Canada
Tue 11/2511:20 amSYD - PDX
1 stop22h 20mAir Canada
Deal found 10/28$1,033

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$877
(United Airlines)

One-way from

$358
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,137
Provider with most accurate pricing for Portland-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Sydney Kingsford Smith flights.
Search Deals
From Oregon to Sydney Kingsford Smith
Search Deals
One-way flight from Oregon to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 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

Thu 2/5

2:09 pm-6:20 am

1 stop21h 11m

Sydney Kingsford Smith

Fri 3/13

2:00 pm-10:53 pm

1 stop26h 53m

$877

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Thu 2/5

2:09 pm-9:15 am

1 stop24h 06m

Sydney Kingsford Smith

Sat 3/7

12:10 pm-12:15 pm

1 stop19h 05m

$877

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 1/31

1:10 pm-9:05 am

2 stops24h 55m

Sydney Kingsford Smith

Fri 3/13

12:10 pm-12:15 pm

1 stop18h 05m

$882

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 1/31

1:10 pm-9:15 am

2 stops25h 05m

Sydney Kingsford Smith

Sat 3/7

12:10 pm-9:38 pm

2 stops28h 28m

$882

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Fri 1/30

5:00 am-7:00 am

2 stops31h 00m

Sydney Kingsford Smith

Sat 3/7

12:10 pm-12:15 pm

1 stop19h 05m

$882

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Thu 2/5

1:10 pm-9:05 am

2 stops24h 55m

Sydney Kingsford Smith

Thu 3/12

12:10 pm-12:15 pm

1 stop18h 05m

$882

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Fri 3/6

1:07 pm-7:00 am

2 stops46h 53m

Sydney Kingsford Smith

Fri 3/20

12:10 pm-6:14 pm

1 stop24h 04m

$895

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 1/31

2:09 pm-6:20 am

1 stop21h 11m

Sydney Kingsford Smith

Wed 3/11

12:10 pm-12:15 pm

1 stop18h 05m

$897

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Mon 2/2

2:09 pm-6:20 am

1 stop21h 11m

Sydney Kingsford Smith

Sat 3/7

12:10 pm-12:15 pm

1 stop19h 05m

$897

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 1/31

2:09 pm-9:15 am

1 stop24h 06m

Sydney Kingsford Smith

Sun 3/8

12:10 pm-11:15 am

1 stop18h 05m

$897

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 53 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 $542). Flying from Oregon to Sydney in July is currently the most expensive (average of $956). 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 October 30, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 16% on flights from Oregon to Sydney by exploring options for tickets at noon.

What is the cheapest day to fly from Oregon to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Oregon to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Oregon to Sydney flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 17h 36m. 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 $516 and $561 on Air Canada and Qantas Airways, 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, Medford - Sydney Kingsford Smith or Boise Air Term. Gowen Fld - 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 $542). Flying from Oregon to Sydney in July is currently the most expensive (average of $956). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$545Average$1,047FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$550Average$1,161FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$656Average$1,188FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$840Average$1,074FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$898Average$1,345FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$952Average$974FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$999Average$1,184FlexibilityNo cancel feeOn-time75%
Air New ZealandCheapest$1,141Average$1,383FlexibilityNo cancel feeOn-time78%

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