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Cheap flights from Australia to Portland from $708

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Portland
Explore the most affordable flight options available from Australia to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.

Wed 18/319:40
BNE
-
PDX
1 stop19h 12m
American Airlines
Sun 22/315:10
PDX
-
BNE
2 stops44h 50m
American Airlines
Deal found 26/1$1,055
Wed 18/310:40
BNE
-
PDX
1 stop29h 24m
United Airlines
Sun 22/305:30
PDX
-
BNE
1 stop32h 00m
United Airlines
Deal found 24/1$1,075
Sun 22/310:40
BNE
-
PDX
2 stops29h 20m
United Airlines
Tue 7/423:59
PDX
-
BNE
2 stops37h 31m
United Airlines
Deal found 27/1$1,092
Fri 13/309:40
BNE
-
PDX
2 stops19h 55m
Delta
Fri 20/317:02
PDX
-
BNE
2 stops21h 18m
Delta
Deal found 26/1$1,117
Sun 22/309:45
BNE
-
PDX
1 stop25h 45m
Air Canada
Tue 7/419:05
PDX
-
BNE
1 stop19h 00m
Air Canada
Deal found 27/1$1,257
Wed 11/309:10
MEL
-
PDX
1 stop25h 33m
Delta
Wed 18/317:40
PDX
-
MEL
1 stop19h 20m
Delta
Deal found 25/1$1,274
Mon 23/213:00
MEL
-
PDX
1 stop18h 38m
United Airlines
Mon 2/313:40
PDX
-
MEL
1 stop25h 20m
United Airlines
Deal found 25/1$1,309
Thu 12/312:00
MEL
-
PDX
2 stops49h 14m
United Airlines
Thu 19/314:05
PDX
-
MEL
2 stops48h 25m
United Airlines
Deal found 25/1$1,313
Wed 18/307:10
MEL
-
PDX
2 stops29h 20m
Air Canada
Sun 22/319:05
PDX
-
MEL
2 stops23h 30m
Air Canada
Deal found 26/1$1,331
Tue 10/306:05
ADL
-
PDX
2 stops24h 50m
Qantas Airways
Tue 17/314:30
PDX
-
ADL
2 stops25h 50m
Qantas Airways
Deal found 24/1$1,446
Sun 1/214:00
SYD
-
PDX
2 stops21h 50m
Multiple Airlines
Sun 15/210:30
PDX
-
SYD
2 stops40h 35m
Multiple Airlines
Deal found 25/1$1,456
Fri 6/214:00
SYD
-
PDX
2 stops21h 50m
Multiple Airlines
Tue 24/207:16
PDX
-
SYD
2 stops34h 19m
Multiple Airlines
Deal found 25/1$1,462

Find flight deals from Australia to Portland

Keep the following information in mind while searching for Australia to Portland flight deals. Data was last updated 27 January 2026.

Round-trip from

$1,055

One-way from

$708

Popular in

January

Cheapest in

October

Average price

$1,858
American Airlines
  • American Airlines
  • 18/3-22/3
  • 3 total stops
  • 64h 02m total
  • Australia to Portland
Search Deals
9/3
  • 9/3
  • 3 total stops
  • 38h 56m total
  • Australia to Portland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($220 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($40 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 Australia 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 27 January 2026.
Use the filters below to find and compare flights from Australia to Portland that are best for you.

Fly from

Australia

Fly to

Portland

Route

Depart

Return

Price

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Wed 18/3

19:40-21:07

2 stops42h 27m

Portland

Sun 22/3

15:10-05:30

2 stops45h 20m

$1,055

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Wed 18/3

10:40-21:10

2 stops27h 30m

Portland

Sun 22/3

05:30-06:30

1 stop32h 00m

$1,075

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Sun 22/3

10:40-18:47

1 stop25h 07m

Portland

Tue 7/4

23:59-06:30

2 stops37h 31m

$1,092

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Fri 13/3

09:40-12:35

2 stops19h 55m

Portland

Fri 20/3

17:02-07:20

2 stops21h 18m

$1,117

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Wed 11/3

09:10-12:35

2 stops21h 25m

Portland

Wed 18/3

05:45-07:00

2 stops31h 15m

$1,274

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Tue 24/2

13:00-18:55

1 stop24h 55m

Portland

Tue 3/3

15:50-10:00

1 stop23h 10m

$1,309

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Mon 23/2

13:00-12:38

1 stop18h 38m

Portland

Mon 2/3

13:18-10:00

2 stops25h 42m

$1,313

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Thu 12/3

12:00-00:35

1 stop30h 35m

Portland

Thu 19/3

13:39-09:00

1 stop25h 21m

$1,313

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Wed 18/3

07:10-18:30

2 stops29h 20m

Portland

Sun 22/3

19:05-12:35

2 stops23h 30m

$1,331

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 10/3

06:05-13:25

2 stops24h 50m

Portland

Tue 17/3

14:30-09:50

2 stops25h 50m

$1,446

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 44 results
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Best time to book a flight from Australia to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Australia 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 Australia to Portland

What is the cheapest month to book a flight from Australia to Portland?

Currently, March is the cheapest month in which you can book a flight from Australia to Portland (average of $727). Flying from Australia to Portland in May is currently the most expensive (average of $1,277). 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.

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 27 January 2026.
Check out reviews from past customers who have flown with Alaska Airlines, Hawaiian Airlines, andQantas Airways from Australia to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
11,799 reviews
Check prices

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

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
11,799 reviews
Alaska Airlines
8.0
Very Good
11,799 reviews
Check prices

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

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
11,799 reviews
Check prices

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

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
978 reviews
Alaska Airlines
8.0
Very Good
11,799 reviews
Check prices

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

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
9,207 reviews
Alaska Airlines
8.0
Very Good
11,799 reviews
Check prices

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

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
10,660 reviews
Alaska Airlines
8.0
Very Good
11,799 reviews
Check prices

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

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 Australia to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Australia?

    Portland (PDX), located 9.7 km from the city centre, is the airport you fly into when you book flights from Australia to Portland.

  • How long is the flight from Australia to Portland?

    American Airlines, United Airlines, and Delta can get you from Australia to Portland in just under 21h 25m. Your travel time can differ by up to 21h 02m. The distance between Australia and Portland is about 13053 km. This flight may include one or multiple stops.

  • What are the most popular routes from Australia to Portland?

    The most popular flight routes from Australia to Portland are Melbourne - Portland, Sydney Kingsford Smith - Portland and Canberra - Portland.

  • Can I find deals for flights from Australia to Portland that include hotel bookings?

    Yes. In addition to deals on Australia to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Australia to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Portland.

  • Can I find deals for business class flights from Australia to Portland?

    Yes. Cheapflights offers flight deals from Australia 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 Australia to Portland?

    Currently, March is the cheapest month in which you can book a flight from Australia to Portland (average of $727). Flying from Australia to Portland in May is currently the most expensive (average of $1,277). 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.

Fly from Australia to Portland on these airlines

Choose from the following airlines for your flight from Australia to Portland. Flights are based on user searches made on Cheapflights and were last updated on 27 January 2026.
United Airlines flights from Australia to Portland
Air Canada flights from Australia to Portland
Qantas Airways flights from Australia to Portland
Virgin Australia flights from Australia to Portland

Top 8 airlines flying from Australia to Portland

Discover the top 8 airlines that operate flights from Australia 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 27 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$733Average$1,687FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$949Average$1,438FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Hawaiian AirlinesCheapest$1,079Average$1,666FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapest$1,187Average$1,766FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Qantas AirwaysCheapest$1,303Average$1,615FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Virgin AustraliaCheapest$1,350Average$1,676FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
DeltaCheapest$1,466Average$1,708FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Singapore AirlinesCheapest$1,852Average$1,900FlexibilityNo cancel feeOn-time81%
Search Singapore 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 Australia to Portland?

Cheapflights helps you search for flights from Australia 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 Australia to Portland?

Cheapflights simply makes it quick and affordable to book flights from Australia to Portland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Australia to Portland with no change fees?

Certainly. Search results for flights to Portland from Australia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Australia to Portland become cheaper?

Of course! You can now track prices for flights from Australia to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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