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Cheap flights from Sydney to Portland from $780

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 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
21 Mar — 28 Mar1
1 adult
1 adult, Economy, 0 bags

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 19 February 2026.

Thu 5/311:20
SYD
-
PDX
1 stop26h 10m
Air Canada
Wed 18/315:15
PDX
-
SYD
1 stop23h 20m
Air Canada
Deal found 15/2$1,186
Fri 15/509:20
SYD
-
PDX
1 stop26h 45m
Air Canada
Mon 25/510:10
PDX
-
SYD
1 stop28h 10m
Air Canada
Deal found 15/2$1,263
Sun 24/510:00
SYD
-
PDX
2 stops40h 30m
Air Canada
Thu 28/515:25
PDX
-
SYD
1 stop22h 55m
Air Canada
Deal found 15/2$1,278
Sun 15/310:20
SYD
-
PDX
1 stop16h 55m
Air Canada
Sun 22/319:05
PDX
-
SYD
1 stop19h 30m
Air Canada
Deal found 18/2$1,297
Wed 25/212:10
SYD
-
PDX
2 stops28h 05m
United Airlines
Sun 15/313:39
PDX
-
SYD
1 stop25h 36m
United Airlines
Deal found 18/2$1,304
Tue 24/314:00
SYD
-
PDX
2 stops25h 10m
United Airlines
Tue 31/312:50
PDX
-
SYD
2 stops25h 05m
United Airlines
Deal found 15/2$1,305
Mon 13/409:30
SYD
-
PDX
2 stops43h 16m
United Airlines
Sun 26/413:39
PDX
-
SYD
1 stop24h 16m
United Airlines
Deal found 16/2$1,306

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 19 February 2026.

Round-trip from

$1,186

One-way from

$780

Popular in

May

Cheapest in

January

Average price

$1,421
Air Canada
  • Air Canada
  • 5/3-18/3
  • 2 total stops
  • 49h 30m total
  • Sydney to Portland
Search Deals
14/3
  • 14/3
  • 2 total stops
  • 22h 52m total
  • Sydney to Portland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($298 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($45 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 19 February 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

Thu 5/3

11:20-18:30

1 stop26h 10m

Portland

Wed 18/3

15:15-08:35

1 stop23h 20m

$1,186

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 24/5

10:00-09:30

2 stops40h 30m

Portland

Thu 28/5

15:25-07:20

1 stop22h 55m

$1,278

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 15/3

10:20-09:15

1 stop16h 55m

Portland

Sun 22/3

19:05-08:35

1 stop19h 30m

$1,297

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 15/5

09:20-14:45

1 stop22h 25m

Portland

Mon 25/5

15:25-07:20

1 stop22h 55m

$1,299

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 15/5

09:20-19:05

1 stop26h 45m

Portland

Mon 25/5

19:45-10:20

2 stops21h 35m

$1,304

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 24/3

11:50-23:11

1 stop29h 21m

Portland

Tue 31/3

19:14-07:55

1 stop18h 41m

$1,305

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 13/4

09:30-11:46

2 stops43h 16m

Portland

Sun 26/4

19:05-06:55

2 stops42h 50m

$1,306

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 15/3

21:30-23:42

2 stops44h 12m

$811

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 15/4

13:15-20:32

2 stops24h 17m

$851

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 4/3

14:00-16:50

2 stops21h 50m

$910

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 13 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 18 February 2026.

Booking 2 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 $817). Flying from Sydney to Portland in July is currently the most expensive (average of $1,308). 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 19 February 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
8,212 reviews
Check prices

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

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
8,212 reviews
Delta
7.9
Good
8,212 reviews
Check prices

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

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
2,833 reviews
Delta
7.9
Good
8,212 reviews
Check prices

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

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
993 reviews
Delta
7.9
Good
8,212 reviews
Check prices

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

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
9,322 reviews
Delta
7.9
Good
8,212 reviews
Check prices

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

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
10,733 reviews
Delta
7.9
Good
8,212 reviews
Check prices

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

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.

  • How long is the flight from Sydney to Portland?

    Air Canada can get you from Sydney to Portland in just under 26h 10m. Your travel time can differ by up to . There are 12350 km between Sydney and Portland.

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

    Currently priced at $747, Delta will fly you from Sydney to Portland and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Hawaiian Airlines - these airlines can fly you to your destination from $909 and $1,057, respectively. These flights start at 48% 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, January is the cheapest month in which you can book a flight from Sydney to Portland (average of $817). Flying from Sydney to Portland in July is currently the most expensive (average of $1,308). 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 19 February 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$747Average$1,673FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$909Average$1,561FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Hawaiian AirlinesCheapest$1,057Average$1,803FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Air CanadaCheapest$1,084Average$1,429FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapest$1,163Average$1,730FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Qantas AirwaysCheapest$1,276Average$1,534FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Alaska AirlinesCheapest$1,277Average$1,800FlexibilityNo cancel feeOn-timeN/A
Search Alaska Airlines 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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