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$428+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$874
(United Airlines)

One-way from

$428
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$1,039
Provider with most accurate pricing for Portland-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Portland-Sydney Kingsford Smith flights.
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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. 12% potential increase in price ($162 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/19. 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 5/811:02 amBOI - SYD
1 stop27h 53mUnited Airlines
Wed 5/2110:20 amSYD - BOI
1 stop17h 01mUnited Airlines
Deal found 2/19$874
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/81:52 pmBOI - SYD
2 stops25h 13mAmerican Airlines
Wed 5/219:10 amSYD - BOI
2 stops23h 30mAmerican Airlines
Deal found 2/19$903
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 6/112:02 pmEUG - SYD
1 stop23h 53mUnited Airlines
Wed 6/2510:20 amSYD - EUG
1 stop18h 55mUnited Airlines
Deal found 2/19$913
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/107:00 amPDX - SYD
2 stops30h 00mUnited Airlines
Sun 3/1612:10 pmSYD - PDX
1 stop30h 40mUnited Airlines
Deal found 2/20$920
This Air Canada deal was found by Cheapflights users on 2/20. 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 3/87:05 pmPDX - SYD
2 stops32h 20mAir Canada
Mon 3/177:30 amSYD - PDX
2 stops25h 14mAir Canada
Deal found 2/20$927
This Delta deal was found by Cheapflights users on 2/20. 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 3/159:12 amPDX - SYD
2 stops26h 53mDelta
Sat 3/2210:05 amSYD - PDX
2 stops20h 18mDelta
Deal found 2/20$928
This Justfly.com deal was found by Cheapflights users on 2/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/147:40 pmPDX - SYD
2 stops28h 00mMultiple Airlines
Sun 6/227:00 amSYD - PDX
2 stops19h 35mMultiple Airlines
Deal found 2/20$946
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/233:49 pmRDM - SYD
1 stop22h 11mUnited Airlines
Mon 7/79:30 amSYD - RDM
1 stop22h 37mUnited Airlines
Deal found 2/19$1,121
This KAYAK deal was found by Cheapflights users on 2/20. 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.
Tue 8/121:26 pmPDX - SYD
2 stops28h 09mAir New Zealand
Mon 8/259:55 amSYD - PDX
2 stops25h 41mAir New Zealand
Deal found 2/20$1,121
This Delta deal was found by Cheapflights users on 2/19. 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.
Thu 3/137:15 amBOI - SYD
1 stop29h 50mDelta
Mon 3/241:15 pmSYD - BOI
1 stop26h 35mDelta
Deal found 2/19$1,160
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/206:07 pmPDX - SYD
1 stop31h 38mAlaska Airlines
Sun 3/309:40 pmSYD - PDX
1 stop25h 25mAlaska Airlines
Deal found 2/20$1,174
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/235:00 pmRDM - SYD
2 stops22h 45mMultiple Airlines
Mon 7/79:55 amSYD - RDM
2 stops29h 12mMultiple Airlines
Deal found 2/20$1,177

Find flights from Oregon to Sydney within your budget

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 20, 2025.

Fly from

Oregon

Fly to

Sydney

Route

Depart

Return

Price

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Thu 5/8

11:02 am-6:55 am

1 stop27h 53m

Sydney Kingsford Smith

Wed 5/21

10:20 am-11:21 am

1 stop17h 01m

$874

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Thu 5/8

1:52 pm-7:05 am

2 stops25h 13m

Sydney Kingsford Smith

Wed 5/21

9:10 am-4:40 pm

2 stops23h 30m

$903

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Wed 6/11

2:02 pm-6:55 am

1 stop23h 53m

Sydney Kingsford Smith

Wed 6/25

10:20 am-12:15 pm

1 stop18h 55m

$913

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 3/10

7:00 am-7:00 am

2 stops30h 00m

Sydney Kingsford Smith

Sun 3/16

12:10 pm-12:50 am

1 stop30h 40m

$920

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 3/8

7:05 pm-10:25 pm

2 stops32h 20m

Sydney Kingsford Smith

Tue 3/18

7:30 am-9:34 am

2 stops20h 04m

$927

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 3/15

9:12 am-6:05 am

2 stops26h 53m

Sydney Kingsford Smith

Sat 3/22

10:05 am-12:23 pm

2 stops20h 18m

$928

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 6/14

7:40 pm-4:40 pm

2 stops28h 00m

Sydney Kingsford Smith

Sun 6/22

7:00 am-9:35 am

2 stops19h 35m

$946

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 8/12

1:26 pm-10:35 am

2 stops28h 09m

Sydney Kingsford Smith

Mon 8/25

9:55 am-6:36 pm

2 stops25h 41m

$1,121

RedmondSydney

RDM - SYD

RDMSYD

Bend/Redmond

Mon 6/23

3:49 pm-7:00 am

1 stop22h 11m

Sydney Kingsford Smith

Mon 7/7

9:30 am-3:07 pm

1 stop22h 37m

$1,121

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Thu 3/13

7:15 am-6:05 am

1 stop29h 50m

Sydney Kingsford Smith

Mon 3/24

1:15 pm-10:50 pm

1 stop26h 35m

$1,160

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 44 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.

Travel insights for flights from Oregon to Sydney

Get recent, data-driven insights about flights from Oregon to Sydney including ideal travel times, pricing trends, and more.

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 $1,051). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,643). 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 February 20, 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.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 February 20, 2025.
See what other customers who have flown with Air Tahiti Nui, ANA and Korean Air from Oregon to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Boarding

8.7

Food

7.8

Comfort

8.0

Overall

8.7

Crew

9.1

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
8.7
Very good
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Boarding

8.7

Food

7.8

Comfort

8.0

Overall

8.7

Crew

9.1

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
842 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Boarding

8.7

Food

7.8

Comfort

8.0

Overall

8.7

Crew

9.1

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.

Korean Air
8.4
Very good
1,037 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Boarding

8.7

Food

7.8

Comfort

8.0

Overall

8.7

Crew

9.1

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.

Singapore Airlines
8.1
Very good
1,299 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Boarding

8.7

Food

7.8

Comfort

8.0

Overall

8.7

Crew

9.1

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.

Fiji Airways
8.0
Very good
185 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Boarding

8.7

Food

7.8

Comfort

8.0

Overall

8.7

Crew

9.1

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?

    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.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $428. Users have also found prices from $431 and $528 on United Airlines and Alaska Airlines, 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 Bend/Redmond - 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 $1,051). Flying from Oregon to Sydney in December is currently the most expensive (average of $1,643). 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 Oregon?

Book flights to Oregon if you plan to visit one of these locations
Wollongong
Parramatta
Coogee
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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$444Average$1,080FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$759Average$1,305FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$816Average$1,103FlexibilityNo cancel feeOn-time67%
DeltaCheapest$879Average$1,165FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$1,036Average$1,137FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,055Average$1,179FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$1,068Average$1,259FlexibilityNo cancel feeOn-time75%
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