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$614+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
1 adult, Economy
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Cheap 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 May 16, 2026.

This Air Canada deal was found by Cheapflights users on 5/15. 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 6/910:10 am
PDX
-
SYD
1 stop28h 10m
Air Canada
Tue 6/169:20 am
SYD
-
PDX
1 stop22h 25m
Air Canada
Deal found 5/15$1,062
This Air Canada deal was found by Cheapflights users on 5/15. 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 10/67:45 pm
PDX
-
SYD
1 stop18h 35m
Multiple Airlines
Mon 10/196:00 am
SYD
-
PDX
2 stops21h 31m
Multiple Airlines
Deal found 5/15$1,082
This FlightHub deal was found by Cheapflights users on 5/15. 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.
Tue 10/2710:00 am
PDX
-
SYD
1 stop28h 35m
Air Canada
Wed 11/49:00 am
SYD
-
PDX
2 stops19h 26m
Air Canada
Deal found 5/15$1,088
This FlightHub deal was found by Cheapflights users on 5/11. 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 8/310:10 am
PDX
-
SYD
1 stop28h 10m
Air Canada
Wed 8/129:20 am
SYD
-
PDX
1 stop26h 51m
Air Canada
Deal found 5/11$1,132
This FlightHub deal was found by Cheapflights users on 5/13. 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 9/72:50 pm
PDX
-
SYD
2 stops28h 00m
Multiple Airlines
Fri 9/111:15 pm
SYD
-
PDX
2 stops24h 35m
Multiple Airlines
Deal found 5/13$1,137
This Air Canada deal was found by Cheapflights users on 5/13. 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 5/1810:10 am
PDX
-
SYD
1 stop28h 10m
Multiple Airlines
Tue 6/26:00 am
SYD
-
PDX
2 stops20h 30m
Multiple Airlines
Deal found 5/13$1,139
This SmartFares deal was found by Cheapflights users on 5/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:20 am
PDX
-
SYD
1 stop17h 30m
Alaska Airlines
Sun 9/138:45 pm
SYD
-
PDX
1 stop17h 01m
Alaska Airlines
Deal found 5/14$1,141
This Air Canada deal was found by Cheapflights users on 5/12. 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 6/17:45 pm
PDX
-
SYD
1 stop18h 35m
Multiple Airlines
Wed 7/16:00 am
SYD
-
PDX
2 stops20h 31m
Multiple Airlines
Deal found 5/12$1,142
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Sun 5/176:36 pm
MFR
-
SYD
1 stop19h 19m
United Airlines
Sun 5/2410:20 am
SYD
-
MFR
1 stop18h 44m
United Airlines
Deal found 5/14$1,150
This KAYAK deal was found by Cheapflights users on 5/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:05 pm
BOI
-
SYD
1 stop19h 50m
Air New Zealand
Mon 6/810:20 am
SYD
-
BOI
1 stop27h 20m
Air New Zealand
Deal found 5/13$1,160
This KAYAK deal was found by Cheapflights users on 5/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:35 pm
MFR
-
SYD
1 stop19h 20m
Air New Zealand
Mon 8/1010:20 am
SYD
-
MFR
1 stop18h 44m
Air New Zealand
Deal found 5/12$1,160
This United Airlines deal was found by Cheapflights users on 5/13. 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 6/22:40 pm
BOI
-
SYD
2 stops24h 15m
United Airlines
Tue 6/910:20 am
SYD
-
BOI
1 stop22h 24m
United Airlines
Deal found 5/13$1,161

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 May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,062
(Air Canada)

One-way from

$614
(Expedia)

Popular in

December

Cheapest in

September

Average price

$1,148
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. 11% potential increase in price ($161 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 16, 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 round-trip

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 6/9

10:10 am-7:20 am

1 stop28h 10m

Sydney Kingsford Smith

Tue 6/16

9:20 am-2:45 pm

1 stop22h 25m

$1,062

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 5/27

6:35 pm-6:55 am

1 stop19h 20m

Sydney Kingsford Smith

Mon 8/10

10:20 am-12:04 pm

1 stop18h 44m

$1,160

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 6/2

2:40 pm-6:55 am

2 stops24h 15m

Sydney Kingsford Smith

Tue 6/9

10:20 am-4:44 pm

1 stop22h 24m

$1,161

MedfordSydney

MFR - SYD

MFRSYD

Medford

Wed 5/27

6:35 pm-6:55 am

1 stop19h 20m

Sydney Kingsford Smith

Mon 8/10

10:20 am-12:04 pm

1 stop18h 44m

$1,161

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 6/23

1:25 pm-6:50 am

1 stop24h 25m

Sydney Kingsford Smith

Sun 8/2

9:15 am-10:00 pm

2 stops29h 45m

$1,166

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Mon 6/29

1:14 pm-7:00 am

2 stops24h 46m

Sydney Kingsford Smith

Mon 7/6

10:20 am-2:51 pm

1 stop21h 31m

$1,166

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 6/23

5:00 am-7:00 am

2 stops33h 00m

Sydney Kingsford Smith

Sun 8/2

9:30 am-5:46 pm

2 stops25h 16m

$1,166

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Mon 6/1

7:05 pm-6:55 am

1 stop19h 50m

Sydney Kingsford Smith

Tue 6/30

9:30 am-10:05 pm

1 stop28h 35m

$1,168

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sun 8/2

2:41 pm-7:00 am

2 stops24h 19m

Sydney Kingsford Smith

Thu 8/13

10:20 am-11:04 am

1 stop16h 44m

$1,211

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Mon 6/1

7:05 pm-6:55 am

1 stop19h 50m

Sydney Kingsford Smith

Fri 7/31

10:20 am-1:08 pm

1 stop18h 48m

$1,211

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 52 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 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

How far ahead should I book a flight from Oregon to Sydney?

To ensure you get the cheapest price possible for a flight from Oregon to Sydney, you should look to book at least 7 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $139). Flying from Oregon to Sydney in March is currently the most expensive (average of $1,025). 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 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 19h 20m. Airlines will cover a distance of 7557 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 $435. Users have also found prices from $457 and $569 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, Boise Air Term. Gowen Fld - Sydney Kingsford Smith or Eugene - 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, September is the cheapest month in which you can book a flight from Oregon to Sydney (average of $139). Flying from Oregon to Sydney in March is currently the most expensive (average of $1,025). 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
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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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 May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$229Average$1,259FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$550Average$1,157FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$876Average$1,196FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$886Average$1,165FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$906Average$1,152FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$954Average$984FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$999Average$1,160FlexibilityNo cancel feeOn-time75%
Alaska AirlinesCheapest$1,140Average$1,250FlexibilityNo cancel feeOn-timeN/A

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