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Cheap flights from Sydney to Portland from $758

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
1 Feb — 8 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Portland

Enter your travel dates to find the best prices.

Best flights from Sydney to Portland
Discover carefully curated flight deals from Sydney to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 January 2026.

Wed 28/114:00SYD - PDX
2 stops21h 49mMultiple Airlines
Wed 25/217:50PDX - SYD
2 stops23h 45mMultiple Airlines
Deal found 31/12$1,477
Wed 28/109:00SYD - PDX
2 stops19h 15mAir Canada
Wed 25/219:05PDX - SYD
1 stop19h 30mAir Canada
Deal found 31/12$1,720
Wed 13/509:10SYD - PDX
2 stops24h 49mAmerican Airlines
Wed 23/905:56PDX - SYD
2 stops32h 09mAmerican Airlines
Deal found 31/12$1,760
Fri 15/506:00SYD - PDX
2 stops31h 50mMultiple Airlines
Mon 25/517:40PDX - SYD
2 stops35h 30mMultiple Airlines
Deal found 1/1$1,477
Thu 14/511:55SYD - PDX
2 stops25h 55mMultiple Airlines
Mon 21/918:00PDX - SYD
2 stops21h 45mMultiple Airlines
Deal found 31/12$1,573
Tue 12/509:20SYD - PDX
1 stop17h 10mAir Canada
Mon 21/906:15PDX - SYD
1 stop32h 05mAir Canada
Deal found 31/12$1,757
Wed 13/509:10SYD - PDX
2 stops30h 22mAmerican Airlines
Sun 20/915:47PDX - SYD
2 stops22h 18mAmerican Airlines
Deal found 31/12$1,760
Sun 1/214:00SYD - PDX
2 stops21h 49mMultiple Airlines
Sun 15/217:39PDX - SYD
2 stops23h 56mMultiple Airlines
Deal found 1/1$1,579
Sun 3/513:15SYD - PDX
2 stops23h 40mMultiple Airlines
Sat 23/517:40PDX - SYD
2 stops25h 05mMultiple Airlines
Deal found 31/12$1,601
Sat 14/206:20SYD - PDX
2 stops31h 10mMultiple Airlines
Sat 21/217:39PDX - SYD
1 stop20h 21mMultiple Airlines
Deal found 31/12$1,721

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 2 January 2026.

Round-trip from

$1,477

One-way from

$758

Popular in

January

Cheapest in

October

Average price

$1,873
28/1-25/2
  • 28/1-25/2
  • 4 total stops
  • 45h 34m total
  • Sydney to Portland
Search Deals
26/1
  • 26/1
  • 2 total stops
  • 21h 55m total
  • Sydney to Portland
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($243 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 2 January 2026.
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

Wed 28/1

14:00-16:49

2 stops21h 49m

Portland

Wed 25/2

17:50-12:35

2 stops23h 45m

$1,477

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 15/5

06:00-20:50

2 stops31h 50m

Portland

Mon 25/5

17:40-22:10

2 stops35h 30m

$1,477

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 14/5

11:55-20:50

2 stops25h 55m

Portland

Mon 21/9

18:00-08:45

2 stops21h 45m

$1,573

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 1/2

14:00-16:49

2 stops21h 49m

Portland

Sun 15/2

17:39-12:35

2 stops23h 56m

$1,579

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 3/5

13:15-19:55

2 stops23h 40m

Portland

Sat 23/5

17:40-11:45

2 stops25h 05m

$1,601

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 28/1

09:00-09:15

2 stops19h 15m

Portland

Wed 25/2

19:05-09:35

1 stop19h 30m

$1,720

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sat 14/2

06:20-18:30

2 stops31h 10m

Portland

Sat 21/2

17:39-09:00

1 stop20h 21m

$1,721

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 12/5

09:20-09:30

1 stop17h 10m

Portland

Mon 21/9

06:15-07:20

1 stop32h 05m

$1,757

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 13/5

09:10-16:59

2 stops24h 49m

Portland

Wed 23/9

05:56-07:05

2 stops32h 09m

$1,760

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 13/5

09:10-22:32

2 stops30h 22m

Portland

Sun 20/9

15:47-07:05

2 stops22h 18m

$1,760

Flights are sorted by cheapest return flights first.

Deals found on 1/1

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 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 $746). Flying from Sydney to Portland in July is currently the most expensive (average of $1,447). 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 2 January 2026.
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.
Delta
7.9
Good
8,020 reviews
Check prices

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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.
Delta
7.9
Good
8,020 reviews
Delta
7.9
Good
8,020 reviews
Check prices

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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.
Hawaiian Airlines
7.8
Good
2,823 reviews
Delta
7.9
Good
8,020 reviews
Check prices

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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.
Qantas Airways
7.5
Good
961 reviews
Delta
7.9
Good
8,020 reviews
Check prices

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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.
United Airlines
7.4
Good
9,132 reviews
Delta
7.9
Good
8,020 reviews
Check prices

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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.
Air Canada
7.1
Good
10,571 reviews
Delta
7.9
Good
8,020 reviews
Check prices

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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 $962, 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 $1,119 and $1,176, 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 $746). Flying from Sydney to Portland in July is currently the most expensive (average of $1,447). 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 2 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,176Average$1,584FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,184Average$1,708FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Hawaiian AirlinesCheapest$1,198Average$1,829FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapest$1,230Average$1,831FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Virgin AustraliaCheapest$1,294Average$2,129FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$1,351Average$1,590FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,414Average$1,470FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
DeltaCheapest$1,585Average$1,769FlexibilityNo 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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