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$415+ Cheap flights from Portland (PDX) 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
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The best prices from Portland to Sydney Kingsford Smith are usually found in February or May, booked 23 days in advance, depart on a Saturday or Sunday and return on a Wednesday

Cheap flight deals from Portland to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$915
(Air Canada)

One-way from

$415
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$1,280
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 Portland to Sydney Kingsford Smith
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One-way flight from Portland to Sydney Kingsford Smith
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High demand for flights, 13% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Portland to Sydney

Cheapest flights from Portland to Sydney
Explore the most affordable flight options available from Portland to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

This Air Canada deal was found by Cheapflights users on 1/15. 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.
Mon 3/103:25 pmPDX - SYD
1 stop23h 10mAir Canada
Thu 3/207:15 pmSYD - PDX
2 stops41h 09mAir Canada
Deal found 1/15$915
This Kiwi.com deal was found by Cheapflights users on 1/16. 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.
Thu 2/279:38 amPDX - SYD
1 stop34h 57mMultiple Airlines
Wed 3/129:15 amSYD - PDX
2 stops29h 10mMultiple Airlines
Deal found 1/16$918
This Alaska Airlines deal was found by Cheapflights users on 1/16. 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.
Mon 2/247:00 amPDX - SYD
1 stop17h 45mAlaska Airlines
Sun 3/99:40 pmSYD - PDX
1 stop16h 45mAlaska Airlines
Deal found 1/16$946
This United Airlines deal was found by Cheapflights users on 1/16. 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.
Sat 3/19:55 amPDX - SYD
1 stop28h 20mUnited Airlines
Fri 3/1412:10 pmSYD - PDX
1 stop20h 45mUnited Airlines
Deal found 1/16$962
This Jetabroad deal was found by Cheapflights users on 1/16. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/277:00 amPDX - SYD
1 stop17h 45mHawaiian Airlines
Tue 3/119:40 pmSYD - PDX
2 stops20h 27mHawaiian Airlines
Deal found 1/16$974
This Delta deal was found by Cheapflights users on 1/16. 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.
Tue 2/254:20 pmPDX - SYD
1 stop19h 30mDelta
Sun 3/911:05 amSYD - PDX
2 stops25h 04mDelta
Deal found 1/16$1,074
This Ovago deal was found by Cheapflights users on 1/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/65:45 amPDX - SYD
2 stops44h 30mANA
Thu 10/1612:50 pmSYD - PDX
2 stops23h 56mANA
Deal found 1/16$1,079
This Gurufare deal was found by Cheapflights users on 1/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/186:00 amPDX - SYD
2 stops34h 00mChina Eastern
Wed 7/2311:00 amSYD - PDX
2 stops46h 04mChina Eastern
Deal found 1/16$1,259
This FlightHub deal was found by Cheapflights users on 1/16. 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.
Wed 2/263:43 pmPDX - SYD
2 stops25h 47mFiji Airways
Tue 3/112:00 pmSYD - PDX
2 stops21h 59mFiji Airways
Deal found 1/16$1,496
This Justfly.com deal was found by Cheapflights users on 1/16. 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.
Thu 2/271:34 pmPDX - SYD
2 stops24h 11mAir New Zealand
Wed 3/129:55 amSYD - PDX
2 stops26h 40mAir New Zealand
Deal found 1/16$1,679
This Gurufare deal was found by Cheapflights users on 1/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/48:00 amPDX - SYD
3 stops38h 55mSingapore Airlines
Wed 3/1912:15 pmSYD - PDX
2 stops42h 45mSingapore Airlines
Deal found 1/16$1,903
This FlightHub deal was found by Cheapflights users on 1/16. 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.
Fri 1/245:55 pmPDX - SYD
3 stops28h 45mAir Tahiti Nui
Sun 2/98:55 amSYD - PDX
3 stops25h 10mAir Tahiti Nui
Deal found 1/16$1,960

Find flights from Portland to Sydney within your budget

Customize your flight search to find flights from Portland 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 January 17, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 3/10

3:25 pm-8:35 am

1 stop23h 10m

Sydney Kingsford Smith

Thu 3/20

7:15 pm-6:24 pm

2 stops41h 09m

$915

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 2/27

9:38 am-3:35 pm

1 stop34h 57m

Sydney Kingsford Smith

Wed 3/12

9:15 am-8:25 pm

2 stops29h 10m

$918

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 2/24

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

Sun 3/9

9:40 pm-8:25 pm

1 stop16h 45m

$946

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 3/1

9:55 am-9:15 am

1 stop28h 20m

Sydney Kingsford Smith

Fri 3/14

12:10 pm-2:55 pm

1 stop20h 45m

$962

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 2/27

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

Tue 3/11

9:40 pm-12:07 am

2 stops20h 27m

$974

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 2/25

1:30 pm-6:50 am

2 stops22h 20m

Sydney Kingsford Smith

Mon 3/10

1:15 pm-6:46 pm

2 stops23h 31m

$1,074

PortlandSydney

PDX - SYD

PDXSYD

Portland

Wed 2/26

3:43 pm-12:30 pm

2 stops25h 47m

Sydney Kingsford Smith

Tue 3/11

2:00 pm-5:59 pm

2 stops21h 59m

$1,496

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 2/27

1:34 pm-8:45 am

2 stops24h 11m

Sydney Kingsford Smith

Wed 3/12

9:55 am-6:35 pm

2 stops26h 40m

$1,679

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 3/4

8:00 am-5:55 pm

3 stops38h 55m

Sydney Kingsford Smith

Wed 3/19

12:15 pm-1:00 pm

2 stops42h 45m

$1,903

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 3/4

3:43 pm-8:40 pm

3 stops33h 57m

Sydney Kingsford Smith

Wed 3/19

12:40 pm-10:47 pm

3 stops52h 07m

$2,063

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 27 results
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Compare providers for flights from Portland to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Sydney in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Sydney flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Sydney flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Portland-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Sydney flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Portland 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 Portland to Sydney

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

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

Use this chart to determine the optimal time to book a round-trip flight from Portland to Sydney. Price data was last updated on January 10, 2025.

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland to Sydney?

Currently, February is the cheapest month in which you can book a flight from Portland to Sydney (average of $1,051). Flying from Portland 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 PDX to SYD?

Find hourly flight availability from Portland 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 January 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to Sydney in the morning. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight at noon.

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

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

Travelers seeking maximum savings on their Portland to Sydney flight should consider departing on Saturday mornings 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.

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 January 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, United Airlines and Hawaiian Airlines from Portland to Sydney to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Comfort

8.1

Food

7.8

Overall

8.8

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2

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
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Comfort

8.1

Food

7.8

Overall

8.8

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2

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.

Asiana Airlines
8.3
Very good
466 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Comfort

8.1

Food

7.8

Overall

8.8

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2

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
1,327 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Comfort

8.1

Food

7.8

Overall

8.8

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2

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
8.1
Very good
187 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Comfort

8.1

Food

7.8

Overall

8.8

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2

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
8,511 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Comfort

8.1

Food

7.8

Overall

8.8

Boarding

8.7

Entertainment

7.3

Reviews

1 / 2

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 Portland to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Portland to Sydney round-trip?

    Air Canada, at $915, was found to be the cheapest airline from Portland to Sydney.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. Air Canada is 19% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $436. Users have also found prices from $550 and $2,740 on Delta and WestJet, respectively.

  • Where are the most common layover locations when flying from Portland to Sydney?

    The most popular layover on flights from Portland to Sydney is San Francisco. Portland to Sydney flights stop in Los Angeles the next most.

  • What are some popular things to do or see while on a layover in San Francisco?

    If you're on a layover in San Francisco and looking for things to do, consider visiting Fisherman's Wharf, Union Square, or Bill Graham Civic Auditorium. Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium can be accessed by traveling approximately 13.0 mi, 11.6 mi, and 11.1 mi, respectively from San Francisco. Travelers can rent a car at San Francisco for an average daily rate of $49 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Los Angeles?

    Most Los Angeles visitors opt to spend their time at Hollywood Bowl, Hollywood Walk of Fame, and L.A. Live. Hollywood Bowl, Hollywood Walk of Fame and L.A. Live are located about 12.5 mi, 11.7 mi, and 10.8 mi, respectively from Los Angeles if you are interested in checking them out. Those on a layover in Los Angeles in need of a rental car can book one at Los Angeles for about $41.

  • Where are the least popular layover locations for Portland to Sydney flights?

    Portland to Sydney flights that have layovers will least frequently stop in Vancouver.

  • Can I find deals for flights from Portland to Sydney that include hotel bookings?

    Yes. In addition to deals on Portland to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Sydney.

  • Can I find deals for business class flights from Portland to Sydney?

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Portland to Sydney (average of $1,051). Flying from Portland 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Wollongong
Parramatta
Coogee
Manly

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Alternative routes for Portland to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Sydney flights
Redmond to Sydney flights
Eugene to Sydney flights
Portland to Coolangatta flights
Medford to Sydney flights

Top 7 airlines flying from Portland to Sydney

Discover the top 7 airlines that operate flights from Portland 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 January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$444Average$967FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$759Average$1,094FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$806Average$1,070FlexibilityNo cancel feeOn-time67%
DeltaCheapest$824Average$1,125FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$856Average$1,135FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,055Average$1,200FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$1,068Average$1,252FlexibilityNo cancel feeOn-time75%
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