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$450+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
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 February 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:08 am
PDX
-
SYD
1 stop26h 17m
Multiple Airlines
Fri 3/132:00 pm
SYD
-
PDX
2 stops39h 52m
Multiple Airlines
Deal found 2/4$890
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:08 am
PDX
-
SYD
1 stop26h 17m
Multiple Airlines
Fri 3/202:00 pm
SYD
-
PDX
2 stops39h 52m
Multiple Airlines
Deal found 2/5$894
This oojo deal was found by Cheapflights users on 2/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:25 am
PDX
-
SYD
2 stops43h 25m
Qantas Airways
Mon 3/211:20 am
SYD
-
PDX
1 stop24h 53m
Qantas Airways
Deal found 2/3$913
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:25 am
PDX
-
SYD
2 stops43h 25m
Qantas Airways
Sat 3/711:20 am
SYD
-
PDX
1 stop24h 53m
Qantas Airways
Deal found 2/2$914
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:25 am
PDX
-
SYD
1 stop30h 00m
Qantas Airways
Tue 3/107:15 pm
SYD
-
PDX
2 stops44h 47m
Qantas Airways
Deal found 2/2$921
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:49 pm
PDX
-
SYD
1 stop20h 41m
Multiple Airlines
Thu 5/71:15 pm
SYD
-
PDX
2 stops39h 42m
Multiple Airlines
Deal found 2/5$950
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:53 am
PDX
-
SYD
1 stop28h 37m
Multiple Airlines
Fri 5/151:15 pm
SYD
-
PDX
2 stops37h 17m
Multiple Airlines
Deal found 2/4$952
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:53 am
PDX
-
SYD
1 stop28h 37m
Multiple Airlines
Mon 5/41:15 pm
SYD
-
PDX
2 stops37h 23m
Multiple Airlines
Deal found 2/4$953
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:25 am
PDX
-
SYD
2 stops54h 10m
Qantas Airways
Sun 3/1511:20 am
SYD
-
PDX
1 stop28h 32m
Qantas Airways
Deal found 2/2$956
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:53 am
PDX
-
SYD
1 stop28h 37m
Multiple Airlines
Sat 5/161:15 pm
SYD
-
PDX
2 stops39h 42m
Multiple Airlines
Deal found 2/4$958
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:53 am
PDX
-
SYD
1 stop28h 37m
Multiple Airlines
Wed 5/61:10 pm
SYD
-
PDX
2 stops39h 47m
Multiple Airlines
Deal found 2/2$970
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/412:40 pm
EUG
-
SYD
2 stops25h 10m
Delta
Thu 4/239:15 am
SYD
-
EUG
2 stops31h 32m
Delta
Deal found 2/2$982

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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$890
(Kiwi.com)

One-way from

$450
(Trip.com)

Popular in

December

Cheapest in

June

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. 13% potential increase in price ($187 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 5, 2026.
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

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 4/20

9:53 am-7:30 am

1 stop28h 37m

Sydney Kingsford Smith

Mon 5/4

1:15 pm-9:38 am

2 stops37h 23m

$953

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 4/4

5:15 am-7:50 am

2 stops32h 35m

Sydney Kingsford Smith

Wed 4/22

9:15 am-11:10 pm

2 stops30h 55m

$982

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Wed 4/8

6:08 am-6:50 am

2 stops31h 42m

Sydney Kingsford Smith

Sun 4/19

9:15 am-5:04 pm

2 stops24h 49m

$982

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Mon 4/6

6:08 am-6:50 am

2 stops31h 42m

Sydney Kingsford Smith

Fri 4/24

9:15 am-5:04 pm

2 stops24h 49m

$982

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Wed 4/8

6:08 am-6:50 am

2 stops31h 42m

Sydney Kingsford Smith

Fri 4/24

9:15 am-5:04 pm

2 stops24h 49m

$982

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Wed 4/8

6:08 am-6:50 am

2 stops31h 42m

Sydney Kingsford Smith

Mon 4/20

9:15 am-5:04 pm

2 stops24h 49m

$982

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sun 4/5

11:40 am-6:50 am

2 stops26h 10m

Sydney Kingsford Smith

Fri 4/24

9:15 am-11:10 pm

2 stops30h 55m

$982

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Mon 4/6

12:40 pm-6:50 am

2 stops25h 10m

Sydney Kingsford Smith

Sat 4/25

9:15 am-11:10 pm

2 stops30h 55m

$982

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sun 4/5

12:40 pm-6:50 am

2 stops25h 10m

Sydney Kingsford Smith

Sat 4/25

9:15 am-11:10 pm

2 stops30h 55m

$982

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Fri 4/10

5:50 pm-6:50 am

2 stops44h 00m

Sydney Kingsford Smith

Thu 4/23

9:15 am-5:04 pm

2 stops24h 49m

$982

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 49 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 $504). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,146). 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 15m. 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 $431. Users have also found prices from $439 and $457 on Delta 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, 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 $504). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,146). 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

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Top 7 airlines flying from Oregon to Sydney

Discover the top 7 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$497Average$1,092FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$550Average$1,157FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$840Average$1,142FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$876Average$1,270FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$898Average$1,305FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$952Average$974FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$999Average$1,183FlexibilityNo cancel feeOn-time75%

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