Cheap flights from Sydney to Portland from $921

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
27 Jan — 3 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Portland are usually found in October or August, booked 40 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Sydney to Portland

Enter your travel dates to find the best prices.

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 28 December 2025.

Mon 29/1209:00SYD - PDX
2 stops19h 15mMultiple Airlines
Tue 13/109:50PDX - SYD
1 stop28h 45mMultiple Airlines
Deal found 25/12$1,850
Mon 29/1211:20SYD - PDX
1 stop16h 55mAir Canada
Tue 13/109:50PDX - SYD
1 stop26h 05mAir Canada
Deal found 25/12$1,923
Tue 30/1209:00SYD - PDX
2 stops19h 15mMultiple Airlines
Wed 14/109:50PDX - SYD
1 stop28h 45mMultiple Airlines
Deal found 26/12$1,943
Wed 31/1211:20SYD - PDX
1 stop16h 55mMultiple Airlines
Thu 15/119:00PDX - SYD
2 stops24h 40mMultiple Airlines
Deal found 27/12$1,945
Mon 29/1219:15SYD - PDX
3 stops45h 46mAir Tahiti Nui
Tue 13/117:50PDX - SYD
3 stops28h 50mAir Tahiti Nui
Deal found 25/12$2,476
Wed 31/1219:15SYD - PDX
3 stops40h 56mAir Tahiti Nui
Thu 15/121:30PDX - SYD
3 stops49h 10mAir Tahiti Nui
Deal found 27/12$3,193

Find 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 28 December 2025.

Round-trip from

$1,449

One-way from

$921

Popular in

January

Cheapest in

October

Average price

$1,823
29/1-17/2
  • 29/1-17/2
  • 4 total stops
  • 58h 22m total
  • Sydney to Portland
25/3
  • 25/3
  • 2 total stops
  • 24h 32m total
  • Sydney to Portland
Highest demand for flights based on searches. 9% potential increase in price ($240 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($34 potential savings vs. average return price).
Average for round-trip flights in December 2025

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 28 December 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

Thu 29/1

21:40-06:00

2 stops27h 20m

Portland

Tue 17/2

17:43-19:45

2 stops31h 02m

$1,449

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 3/2

21:40-06:00

2 stops27h 20m

Portland

Wed 18/2

17:43-19:45

2 stops31h 02m

$1,449

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 1/2

21:40-06:00

2 stops27h 20m

Portland

Tue 17/2

17:43-19:45

2 stops31h 02m

$1,496

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 2/2

14:00-22:24

2 stops27h 24m

Portland

Mon 16/2

10:30-12:35

2 stops31h 05m

$1,497

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sat 31/1

21:40-05:31

1 stop26h 51m

Portland

Tue 17/2

17:43-19:45

2 stops31h 02m

$1,525

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sat 31/1

21:40-05:31

1 stop26h 51m

Portland

Wed 18/2

17:43-19:45

2 stops31h 02m

$1,525

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 1/2

14:00-16:49

2 stops21h 49m

Portland

Sun 15/2

17:39-22:05

2 stops33h 26m

$1,597

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sat 16/5

20:45-06:20

1 stop26h 35m

Portland

Wed 23/9

17:50-18:50

1 stop32h 00m

$1,702

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 29/1

21:40-06:00

2 stops27h 20m

Portland

Thu 12/2

17:43-19:45

2 stops31h 02m

$1,704

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 3/2

21:40-06:00

2 stops27h 20m

Portland

Thu 12/2

17:43-19:45

2 stops31h 02m

$1,704

Flights are sorted by cheapest return flights first.

Deals found on 26/12

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 26 December 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, March is the cheapest month in which you can book a flight from Sydney to Portland (average of $741). Flying from Sydney to Portland in July is currently the most expensive (average of $1,437). 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.

How much does it cost for a return flight from Sydney to Portland?

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 28 December 2025.
Read reviews from past customers who have flown with Delta, Hawaiian Airlines, andQantas Airways from Sydney to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $955, 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 Hawaiian Airlines and Air Canada - these airlines can fly you to your destination from $1,112 and $1,168, respectively. These flights start at 41% lower than the current average price 3 months from now.

  • 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, March is the cheapest month in which you can book a flight from Sydney to Portland (average of $741). Flying from Sydney to Portland in July is currently the most expensive (average of $1,437). 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 8 airlines flying from Sydney to Portland

Discover the top 8 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 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,168Average$1,573FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,176Average$1,696FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Hawaiian AirlinesCheapest$1,190Average$1,817FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapest$1,222Average$1,819FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Virgin AustraliaCheapest$1,285Average$2,114FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$1,342Average$1,579FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,404Average$1,460FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
DeltaCheapest$1,574Average$1,757FlexibilityNo cancel feeOn-timeN/A
Search Delta 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 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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