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Cheap flights from Sydney to Portland from $658

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Portland are usually found in September 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 15 April 2025.

Round-trip from

$1,383

One-way from

$658

Popular in

December

Cheapest in

September

Average price

$1,994
9/6-16/6
  • 9/6-16/6
  • 3 total stops
  • 83h 31m total
  • Sydney to Portland
Search Deals
5/6
  • 5/6
  • 2 total stops
  • 44h 58m total
  • Sydney to Portland
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($451 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($95 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 15 April 2025.

Mon 9/616:20SYD - PDX
1 stop31h 00mMultiple Airlines
Mon 16/617:09PDX - SYD
2 stops52h 31mMultiple Airlines
Deal found 14/4$1,383
Sun 3/809:55SYD - PDX
2 stops27h 42mAir New Zealand
Wed 27/815:44PDX - SYD
2 stops24h 01mAir New Zealand
Deal found 14/4$1,486
Sun 3/821:40SYD - PDX
1 stop25h 15mHawaiian Airlines
Wed 27/807:35PDX - SYD
1 stop19h 10mHawaiian Airlines
Deal found 14/4$1,904
Wed 4/610:20SYD - PDX
1 stop31h 10mUnited Airlines
Wed 11/609:54PDX - SYD
1 stop28h 01mUnited Airlines
Deal found 14/4$1,926
Tue 10/609:25SYD - PDX
1 stop18h 45mDelta
Mon 16/620:05PDX - SYD
1 stop41h 30mDelta
Deal found 14/4$1,941
Sun 2/1121:25SYD - PDX
1 stop18h 13mQantas Airways
Sun 16/1112:30PDX - SYD
1 stop25h 30mQantas Airways
Deal found 15/4$2,013
Tue 3/609:20SYD - PDX
1 stop26h 25mAir Canada
Mon 9/619:40PDX - SYD
1 stop18h 40mAir Canada
Deal found 14/4$2,029
Mon 19/520:55SYD - PDX
2 stops38h 50mANA
Wed 28/510:00PDX - SYD
2 stops40h 15mANA
Deal found 15/4$2,033
Wed 4/609:10SYD - PDX
2 stops42h 35mAmerican Airlines
Tue 10/623:59PDX - SYD
2 stops38h 06mAmerican Airlines
Deal found 14/4$2,051
Mon 2/608:55SYD - PDX
2 stops56h 04mJapan Airlines
Tue 10/607:55PDX - SYD
2 stops29h 25mJapan Airlines
Deal found 14/4$2,310

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 15 April 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

Mon 9/6

16:20-06:20

1 stop31h 00m

Portland

Mon 16/6

17:09-14:40

2 stops52h 31m

$1,383

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 3/8

09:55-20:37

2 stops27h 42m

Portland

Wed 27/8

15:44-08:45

2 stops24h 01m

$1,486

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 3/8

21:40-05:55

1 stop25h 15m

Portland

Wed 27/8

07:35-19:45

1 stop19h 10m

$1,904

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 4/6

10:20-00:30

1 stop31h 10m

Portland

Wed 11/6

09:54-06:55

1 stop28h 01m

$1,926

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 10/6

09:25-11:10

1 stop18h 45m

Portland

Mon 16/6

20:05-06:35

1 stop41h 30m

$1,941

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 3/6

09:20-18:45

1 stop26h 25m

Portland

Mon 9/6

19:40-07:20

1 stop18h 40m

$2,029

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 19/5

20:55-18:45

2 stops38h 50m

Portland

Wed 28/5

10:00-19:15

2 stops40h 15m

$2,033

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 4/6

09:10-10:45

2 stops42h 35m

Portland

Tue 10/6

23:59-07:05

2 stops38h 06m

$2,051

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 5/6

09:10-22:30

1 stop30h 20m

Portland

Sat 14/6

07:55-07:05

1 stop30h 10m

$2,133

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 2/6

08:55-23:59

2 stops56h 04m

Portland

Tue 10/6

07:55-06:20

2 stops29h 25m

$2,310

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 19 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 11 April 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 15 April 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 15 April 2025.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.8

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
8.8
Very Good
62 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.8

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.
Japan Airlines
8.3
Very Good
1,440 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.8

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
8.3
Very Good
841 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.8

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.
Asiana Airlines
8.2
Very Good
438 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.8

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
1,288 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Comfort

8.1

Food

7.8

Boarding

8.7

Entertainment

7.3

Overall

8.8

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 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 $1,926, United Airlines will fly you from Sydney to Portland and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Air Canada - these airlines can fly you to your destination from $1,941 and $2,029, respectively.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $1,218. Qantas Airways flights start at $1,302 while deals on Hawaiian Airlines start at $1,335 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$684Average$1,987FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
DeltaCheapest$1,008Average$1,693FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$1,012Average$1,988FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,185Average$2,592FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Air CanadaCheapest$1,354Average$1,676FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,416Average$1,551FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qantas AirwaysCheapest$1,419Average$1,670FlexibilityNo cancel feeOn-time74%
Search Qantas Airways 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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