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Cheap flights from Sydney to Portland from $706

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
21 févr. — 28 févr.1
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 22 janvier 2026.

ven. 6/314:00
SYD
-
PDX
2 stops21h 41m
Multiple Airlines
ven. 13/317:50
PDX
-
SYD
2 stops24h 45m
Multiple Airlines
Deal found 20/1$1,388
mer. 11/214:00
SYD
-
PDX
2 stops21h 49m
Multiple Airlines
dim. 1/317:50
PDX
-
SYD
2 stops23h 45m
Multiple Airlines
Deal found 21/1$1,389
ven. 23/114:00
SYD
-
PDX
2 stops21h 49m
Multiple Airlines
lun. 2/217:50
PDX
-
SYD
2 stops23h 45m
Multiple Airlines
Deal found 21/1$1,457
ven. 30/114:00
SYD
-
PDX
2 stops21h 49m
Multiple Airlines
ven. 20/217:39
PDX
-
SYD
2 stops33h 26m
Multiple Airlines
Deal found 22/1$1,460
ven. 6/214:00
SYD
-
PDX
2 stops21h 50m
Multiple Airlines
mar. 24/207:16
PDX
-
SYD
2 stops34h 19m
Multiple Airlines
Deal found 21/1$1,475
sam. 24/111:45
SYD
-
PDX
2 stops24h 04m
Multiple Airlines
dim. 8/214:57
PDX
-
SYD
2 stops22h 48m
Multiple Airlines
Deal found 20/1$1,482
dim. 1/214:00
SYD
-
PDX
2 stops27h 24m
Multiple Airlines
dim. 15/215:17
PDX
-
SYD
2 stops35h 48m
Multiple Airlines
Deal found 20/1$1,484
sam. 7/214:00
SYD
-
PDX
2 stops21h 49m
Multiple Airlines
mer. 11/217:51
PDX
-
SYD
2 stops23h 44m
Multiple Airlines
Deal found 21/1$1,528

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 22 janvier 2026.

Round-trip from

$1,388

One-way from

$706

Popular in

January

Cheapest in

October

Average price

$1,904
6/3-13/3
  • 6/3-13/3
  • 4 total stops
  • 46h 26m total
  • Sydney to Portland
Search Deals
8/5
  • 8/5
  • 2 total stops
  • 37h 12m total
  • Sydney to Portland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($207 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($41 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 22 janvier 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

ven. 6/3

14:00-16:41

2 stops21h 41m

Portland

ven. 13/3

17:50-12:35

2 stops24h 45m

$1,388

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

dim. 10/5

13:15-20:35

2 stops24h 20m

Portland

sam. 30/5

17:40-11:45

2 stops25h 05m

$1,457

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

ven. 6/2

14:00-16:50

2 stops21h 50m

Portland

mar. 24/2

07:16-12:35

2 stops34h 19m

$1,475

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

dim. 1/2

14:00-22:24

2 stops27h 24m

Portland

dim. 15/2

15:17-22:05

2 stops35h 48m

$1,484

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

sam. 7/2

14:00-16:49

2 stops21h 49m

Portland

mer. 11/2

17:51-12:35

2 stops23h 44m

$1,528

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

sam. 7/3

14:00-10:52

2 stops39h 52m

Portland

sam. 14/3

10:24-07:25

1 stop27h 01m

$1,536

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

sam. 7/3

14:00-20:53

2 stops25h 53m

Portland

mar. 10/3

14:30-12:35

2 stops28h 05m

$1,568

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

dim. 1/3

14:00-16:50

2 stops21h 50m

Portland

mar. 31/3

17:49-12:45

2 stops24h 56m

$1,582

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

ven. 8/5

13:15-09:27

2 stops37h 12m

$706

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

jeu. 7/5

13:15-09:38

2 stops37h 23m

$757

Flights are sorted by cheapest return flights first.

Deals found on 20/1

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 16 January 2026.

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 $745). Flying from Sydney to Portland in July is currently the most expensive (average of $1,430). 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 22 janvier 2026.
Read reviews from past customers who have flown with Alaska Airlines, 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.
Alaska Airlines
8.0
Very Good
11,773 reviews
Check prices

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very Good
11,773 reviews
Alaska Airlines
8.0
Very Good
11,773 reviews
Check prices

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
8.0
Very Good
11,773 reviews
Check prices

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Qantas Airways
7.5
Good
973 reviews
Alaska Airlines
8.0
Very Good
11,773 reviews
Check prices

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,191 reviews
Alaska Airlines
8.0
Very Good
11,773 reviews
Check prices

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Air Canada
7.1
Good
10,646 reviews
Alaska Airlines
8.0
Very Good
11,773 reviews
Check prices

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 $951, 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 $1,106 and $1,162, respectively. These flights start at 40% 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 $745). Flying from Sydney to Portland in July is currently the most expensive (average of $1,430). 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 22 janvier 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$951Average$1,638FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Hawaiian AirlinesCheapest$1,106Average$1,800FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Air CanadaCheapest$1,162Average$1,527FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapest$1,216Average$1,810FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Virgin AustraliaCheapest$1,279Average$2,102FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$1,335Average$1,572FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,388Average$1,441FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
DeltaCheapest$1,502Average$1,750FlexibilityNo 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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