Find flights
When to book
Airlines
FAQs

Cheap flights from Oregon to Sydney from $614

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
23 Jul — 30 Jul1
1 adult

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 18 July 2025.

Round-trip from

$1,237

One-way from

$614

Popular in

December

Cheapest in

September

Average price

$1,775
Qantas Airways
  • Qantas Airways
  • 2/9-23/9
  • 2 total stops
  • 42h 54m total
  • Oregon to Sydney
Search Deals
12/8
  • 12/8
  • 1 total stop
  • 28h 05m total
  • Oregon to Sydney
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($460 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($92 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 18 July 2025.

Tue 2/914:56PDX - SYD
1 stop23h 09mQantas Airways
Tue 23/917:45SYD - PDX
1 stop19h 45mQantas Airways
Deal found 16/7$1,237
Mon 1/914:56PDX - SYD
1 stop23h 09mMultiple Airlines
Mon 15/1217:45SYD - PDX
1 stop21h 50mMultiple Airlines
Deal found 16/7$1,257
Mon 1/915:22PDX - SYD
2 stops22h 43mAmerican Airlines
Mon 15/1214:20SYD - PDX
1 stop25h 38mAmerican Airlines
Deal found 16/7$1,265
Tue 23/913:45PDX - SYD
1 stop24h 10mUnited Airlines
Tue 30/910:20SYD - PDX
1 stop21h 22mUnited Airlines
Deal found 16/7$1,282
Tue 23/913:20PDX - SYD
2 stops24h 15mDelta
Tue 30/909:25SYD - PDX
1 stop19h 20mDelta
Deal found 17/7$1,290
Sat 6/919:40PDX - SYD
2 stops23h 00mAir Canada
Wed 10/909:20SYD - PDX
1 stop17h 01mAir Canada
Deal found 15/7$1,325
Sat 30/805:00MFR - SYD
2 stops33h 00mUnited Airlines
Sat 6/910:20SYD - MFR
1 stop24h 31mUnited Airlines
Deal found 16/7$1,361
Tue 4/1109:50PDX - SYD
2 stops39h 25mANA
Tue 18/1121:45SYD - PDX
2 stops39h 45mANA
Deal found 17/7$1,428
Sat 30/813:50BOI - SYD
2 stops25h 15mAmerican Airlines
Sat 6/909:10SYD - BOI
2 stops26h 52mAmerican Airlines
Deal found 16/7$1,476
Thu 13/1115:49RDM - SYD
1 stop22h 16mUnited Airlines
Mon 17/1112:10SYD - RDM
1 stop25h 15mUnited Airlines
Deal found 15/7$1,481
Sat 23/813:57EUG - SYD
1 stop23h 58mUnited Airlines
Wed 27/810:20SYD - EUG
1 stop24h 30mUnited Airlines
Deal found 15/7$1,481
Fri 15/815:40PDX - SYD
2 stops24h 05mAir New Zealand
Fri 22/811:50SYD - PDX
2 stops23h 27mAir New Zealand
Deal found 18/7$1,496

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 18 July 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

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 2/9

14:56-07:05

1 stop23h 09m

Sydney Kingsford Smith

Tue 23/9

17:45-20:30

1 stop19h 45m

$1,237

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 1/9

14:56-07:05

1 stop23h 09m

Sydney Kingsford Smith

Mon 15/12

17:45-20:35

1 stop21h 50m

$1,257

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 1/9

15:22-07:05

2 stops22h 43m

Sydney Kingsford Smith

Mon 15/12

14:20-20:58

1 stop25h 38m

$1,265

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 23/9

13:45-06:55

1 stop24h 10m

Sydney Kingsford Smith

Tue 30/9

10:20-14:42

1 stop21h 22m

$1,282

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 23/9

13:20-06:35

2 stops24h 15m

Sydney Kingsford Smith

Tue 30/9

09:25-11:45

1 stop19h 20m

$1,290

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 6/9

19:40-11:40

2 stops23h 00m

Sydney Kingsford Smith

Wed 10/9

09:20-09:21

1 stop17h 01m

$1,325

MedfordSydney

MFR - SYD

MFRSYD

Medford

Sat 30/8

05:00-07:00

2 stops33h 00m

Sydney Kingsford Smith

Sat 6/9

10:20-17:51

1 stop24h 31m

$1,361

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 4/11

09:50-20:15

2 stops39h 25m

Sydney Kingsford Smith

Tue 18/11

21:45-18:30

2 stops39h 45m

$1,428

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Sat 30/8

13:50-07:05

2 stops25h 15m

Sydney Kingsford Smith

Sat 6/9

09:10-20:02

2 stops26h 52m

$1,476

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Thu 13/11

15:49-09:05

1 stop22h 16m

Sydney Kingsford Smith

Mon 17/11

12:10-18:25

1 stop25h 15m

$1,481

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 37 results
1
2
3
4

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, May is the cheapest month in which you can book a flight from Oregon to Sydney (average of $129). Flying from Oregon to Sydney in October is currently the most expensive (average of $171). 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 18 July 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 for a return flight from Oregon to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 18 July 2025.
Read through reviews of airlines operating flights from Oregon to Sydney, such as Air Tahiti Nui, ANA, andAlaska Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Overall

8.6

Boarding

8.7

Entertainment

7.2

Food

7.7

Comfort

8.0

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.6
Very Good
65 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Overall

8.6

Boarding

8.7

Entertainment

7.2

Food

7.7

Comfort

8.0

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.4
Very Good
915 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Overall

8.6

Boarding

8.7

Entertainment

7.2

Food

7.7

Comfort

8.0

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Alaska Airlines
8.0
Very Good
10,000 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Overall

8.6

Boarding

8.7

Entertainment

7.2

Food

7.7

Comfort

8.0

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Delta
8.0
Very Good
7,958 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Overall

8.6

Boarding

8.7

Entertainment

7.2

Food

7.7

Comfort

8.0

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air New Zealand
8.0
Very Good
496 reviews
Air Tahiti Nui
8.6
Very Good
65 reviews
Check prices

Overall

8.6

Boarding

8.7

Entertainment

7.2

Food

7.7

Comfort

8.0

Crew

9.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

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

    One-way options have recently been found by users for as low as $858 on Qantas Airways. Other airlines that offer cheap prices include Air Canada from $867 and American Airlines from $885 one-way.

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

    While some choose either Boise Air Term. Gowen Fld - Sydney Kingsford Smith or Medford - 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, May is the cheapest month in which you can book a flight from Oregon to Sydney (average of $129). Flying from Oregon to Sydney in October is currently the most expensive (average of $171). 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
Katoomba
Penrith
Manly
Coogee
Cronulla
Terrigal
Lithgow
Randwick
Bondi Beach
Leura

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.

Alternative routes for Oregon to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Sydney flights
San Francisco to Sydney flights
Dallas/Fort Worth to Sydney flights
John F Kennedy Intl to Sydney flights
Newark to Sydney flights
San Jose to Sydney flights
Dulles Intl to Sydney flights
Seattle to Sydney flights
Oakland to Sydney flights
Hobby to Sydney flights
O'Hare Intl to Sydney flights
Reagan-National to Sydney flights
Boston to Sydney flights
Baltimore to Sydney flights
Honolulu to Sydney flights
George Bush Intcntl to Sydney flights
Miami to Sydney flights
Denver to Sydney flights
Midway to Sydney flights
Detroit to Sydney flights
Atlanta to Sydney flights
Minneapolis to Sydney flights
Sky Harbor Intl to Sydney flights
Portland to Sydney flights
Salt Lake City to Sydney flights
San Diego to Sydney flights
Philadelphia to Sydney flights
Charlotte to Sydney flights
Fort Lauderdale to Sydney flights
Raleigh to Sydney flights
Orlando to Sydney flights
Tampa to Sydney flights
Indianapolis to Sydney flights
Austin to Sydney flights
Las Vegas to Sydney flights
St. Louis to Sydney flights
Kansas City to Sydney flights
Sacramento to Sydney flights
Memphis to Sydney flights
West Palm Beach to Sydney flights
Love Field to Sydney flights
Nashville to Sydney flights
San Antonio to Sydney flights
Columbus to Sydney flights

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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,311Average$2,136FlexibilityNo 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.