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Cheap flights from Sydney to Portland from $737

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
18 kesä — 25 kesä1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Portland are usually found in October or March, booked 38 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Sydney to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Portland (PDX). 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 13 kesäkuu 2025.

Round-trip from

$1,420

One-way from

$737

Popular in

December

Cheapest in

October

Average price

$1,709
3/8-9/8
  • 3/8-9/8
  • 3 total stops
  • 61h 30m total
  • Sydney to Portland
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23/10
  • 23/10
  • 2 total stops
  • 24h 32m total
  • Sydney to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($390 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($71 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Find flight deals from Sydney to Portland

Cheapest flights from Sydney to Portland
Explore the most affordable flight options available from Sydney to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 kesäkuu 2025.

su 3/816:20SYD - PDX
1 stop22h 50mMultiple Airlines
la 9/807:00PDX - SYD
2 stops38h 40mMultiple Airlines
Deal found 11/6$1,420
su 10/821:40SYD - PDX
1 stop25h 15mAlaska Airlines
pe 15/807:30PDX - SYD
1 stop19h 15mAlaska Airlines
Deal found 11/6$1,443
su 10/821:40SYD - PDX
1 stop25h 15mHawaiian Airlines
pe 15/817:35PDX - SYD
1 stop33h 10mHawaiian Airlines
Deal found 12/6$1,471
su 3/809:20SYD - PDX
1 stop17h 10mAir Canada
la 9/815:25PDX - SYD
2 stops26h 15mAir Canada
Deal found 12/6$1,483
ma 16/609:25SYD - PDX
1 stop18h 45mDelta
ti 17/612:35PDX - SYD
1 stop25h 00mDelta
Deal found 11/6$1,491
su 3/809:10SYD - PDX
1 stop21h 15mQantas Airways
la 9/814:56PDX - SYD
1 stop23h 09mQantas Airways
Deal found 12/6$1,613
ke 2/710:20SYD - PDX
1 stop31h 15mUnited Airlines
la 12/705:25PDX - SYD
1 stop32h 30mUnited Airlines
Deal found 13/6$1,724
ti 8/711:50SYD - PDX
2 stops23h 56mANA
ti 15/710:05PDX - SYD
2 stops40h 10mANA
Deal found 11/6$1,927
su 10/809:10SYD - PDX
3 stops24h 15mAir Tahiti Nui
pe 15/819:35PDX - SYD
3 stops26h 35mAir Tahiti Nui
Deal found 12/6$2,608
to 26/609:10SYD - PDX
2 stops31h 12mAmerican Airlines
pe 11/700:59PDX - SYD
1 stop36h 56mAmerican Airlines
Deal found 12/6$3,274
su 3/820:55SYD - PDX
3 stops40h 42mTurkish Airlines
la 9/807:37PDX - SYD
3 stops66h 23mTurkish Airlines
Deal found 11/6$4,874

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney to Portland 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 13 kesäkuu 2025.
Use the filters below to find and compare flights from Sydney to Portland that are best for you.

Fly from

Sydney

Fly to

Portland

Route

Depart

Return

Price

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

su 3/8

16:20-22:10

1 stop22h 50m

Portland

la 9/8

07:00-14:40

2 stops38h 40m

$1,420

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

su 10/8

21:40-05:55

1 stop25h 15m

Portland

pe 15/8

07:30-19:45

1 stop19h 15m

$1,443

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

su 10/8

21:40-05:55

1 stop25h 15m

Portland

pe 15/8

17:35-19:45

1 stop33h 10m

$1,471

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

su 3/8

09:20-09:30

1 stop17h 10m

Portland

la 9/8

15:25-10:40

2 stops26h 15m

$1,483

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

su 27/7

09:25-15:59

2 stops23h 34m

Portland

su 3/8

14:10-06:35

2 stops23h 25m

$1,554

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

su 3/8

09:10-13:25

1 stop21h 15m

Portland

la 9/8

14:56-07:05

1 stop23h 09m

$1,613

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

ke 2/7

10:20-00:35

1 stop31h 15m

Portland

la 12/7

05:25-06:55

1 stop32h 30m

$1,724

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

ti 8/7

11:50-18:46

2 stops23h 56m

Portland

ti 15/7

10:05-19:15

2 stops40h 10m

$1,927

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

su 10/8

09:10-16:25

3 stops24h 15m

Portland

pe 15/8

19:35-15:10

3 stops26h 35m

$2,608

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

to 26/6

09:10-23:22

2 stops31h 12m

Portland

pe 11/7

00:59-06:55

1 stop36h 56m

$3,274

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 16 results
1
2

Best time to book a flight from Sydney to Portland

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

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

Use this chart to determine the optimal time to book a return flight from Sydney to Portland. Price data was last updated on 9 June 2025.

Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Portland. 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 Sydney to Portland?

Currently, January is the cheapest month in which you can book a flight from Sydney to Portland (average of $908). Flying from Sydney to Portland in December is currently the most expensive (average of $1,407). 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 SYD to PDX?

Find hourly flight availability from Sydney to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 kesäkuu 2025.

When flying from Sydney to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 50% versus a flight in the evening.

Rainfall in Portland by month

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

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

Temperature in Portland by month

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

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated 13 kesäkuu 2025.
Read through reviews of airlines operating flights from Sydney to Portland, such as Air Tahiti Nui, ANA and Alaska Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

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
8.7
Very Good
64 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

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
8.3
Very Good
882 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

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
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

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
7,950 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

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.
Hawaiian Airlines
7.9
Good
2,494 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

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 Sydney to Portland. 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 Sydney to Portland round-trip?

    Currently priced at $1,443, Alaska Airlines will fly you from Sydney to Portland and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and Air Canada - these airlines can fly you to your destination from $1,471 and $1,483, respectively. These flights start at 20% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $864. Delta flights start at $938 while deals on United Airlines start at $1,009 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Sydney to Portland (average of $908). Flying from Sydney to Portland in December is currently the most expensive (average of $1,407). 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

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.

Top 7 airlines flying from Sydney to Portland

Discover the top 7 airlines that operate flights from Sydney to Portland. 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 13 kesäkuu 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$986Average$1,886FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,296Average$1,629FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Hawaiian AirlinesCheapest$1,302Average$2,026FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Air New ZealandCheapest$1,381Average$1,513FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qantas AirwaysCheapest$1,384Average$1,627FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Virgin AustraliaCheapest$1,398Average$2,528FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
DeltaCheapest$1,557Average$1,721FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to Portland?

Cheapflights helps you search for flights from Sydney to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Portland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Portland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sydney to Portland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to Portland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Sydney to Portland become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portland from Sydney today and book when prices fit your budget.

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