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$593+ Cheap flights from Australia to Portland (PDX)

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — PDX
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap flight deals from Australia to Portland

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 April 30, 2026.

This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:55 am
MEL
-
PDX
2 stops27h 15m
United Airlines
Sat 5/3011:45 pm
PDX
-
MEL
2 stops62h 45m
United Airlines
Deal found 4/25$965
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:55 am
MEL
-
PDX
1 stop26h 59m
United Airlines
Fri 8/287:13 pm
PDX
-
MEL
1 stop20h 02m
United Airlines
Deal found 4/26$967
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:55 am
MEL
-
PDX
2 stops27h 14m
United Airlines
Fri 5/81:37 pm
PDX
-
MEL
1 stop25h 38m
United Airlines
Deal found 4/27$969
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:55 am
MEL
-
PDX
1 stop26h 59m
United Airlines
Fri 6/1911:16 am
PDX
-
MEL
1 stop27h 59m
United Airlines
Deal found 4/28$970
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:00 am
MEL
-
PDX
2 stops24h 09m
Delta
Wed 6/101:25 pm
PDX
-
MEL
1 stop25h 25m
Delta
Deal found 4/27$974
This TravelUp deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:55 am
MEL
-
PDX
1 stop26h 59m
Lufthansa
Thu 6/181:14 pm
PDX
-
MEL
1 stop26h 01m
Lufthansa
Deal found 4/30$980
This TravelUp deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:55 am
MEL
-
PDX
1 stop28h 53m
Lufthansa
Fri 6/191:14 pm
PDX
-
MEL
1 stop26h 01m
Lufthansa
Deal found 4/27$985
This Flightnetwork deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:20 am
SYD
-
PDX
1 stop22h 25m
Air Canada
Mon 6/83:30 pm
PDX
-
SYD
1 stop22h 50m
Air Canada
Deal found 4/27$1,015
This Air Canada deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
SYD
-
PDX
2 stops25h 45m
Multiple Airlines
Mon 6/87:45 pm
PDX
-
SYD
1 stop18h 35m
Multiple Airlines
Deal found 4/27$1,028
This BYOjet deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:15 pm
SYD
-
PDX
2 stops24h 35m
Multiple Airlines
Fri 9/185:35 pm
PDX
-
SYD
2 stops25h 15m
Multiple Airlines
Deal found 4/28$1,029
This Justfly.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:15 pm
SYD
-
PDX
2 stops24h 35m
Multiple Airlines
Tue 9/89:35 pm
PDX
-
SYD
2 stops45h 15m
Multiple Airlines
Deal found 4/29$1,069
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:45 am
MEL
-
PDX
2 stops23h 57m
American Airlines
Thu 6/183:27 pm
PDX
-
MEL
1 stop22h 18m
American Airlines
Deal found 4/28$1,074

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 April 30, 2026.

Round-trip from

$967
(United Airlines)

One-way from

$593
(Delta)

Popular in

May

Cheapest in

November

Average price

$1,222
From Australia to Portland
Search Deals
One-way flight from Australia to Portland
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($173 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Australia to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 5/23

10:55 am-9:10 pm

2 stops27h 15m

Portland

Sat 5/30

11:45 pm-7:30 am

2 stops62h 45m

$965

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sun 5/24

10:55 am-5:44 pm

1 stop23h 49m

Portland

Sun 5/31

11:59 pm-7:30 am

2 stops38h 31m

$967

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 8/8

10:55 am-9:15 pm

2 stops27h 20m

Portland

Fri 8/28

1:14 pm-8:15 am

1 stop26h 01m

$971

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Mon 6/8

10:55 am-8:54 pm

1 stop26h 59m

Portland

Thu 6/18

1:14 pm-8:15 am

1 stop26h 01m

$980

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 5/24

6:00 am-2:45 pm

2 stops25h 45m

Portland

Mon 6/8

7:45 pm-12:40 pm

2 stops23h 55m

$1,050

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Mon 6/8

9:45 am-4:42 pm

2 stops23h 57m

Portland

Thu 6/18

3:27 pm-10:35 am

2 stops26h 08m

$1,100

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 6/5

6:30 am-7:10 pm

2 stops29h 40m

Portland

Sun 6/21

7:45 pm-7:20 am

1 stop18h 35m

$1,147

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 5/14

9:10 am-4:59 pm

2 stops24h 49m

Portland

Thu 7/30

5:08 pm-7:05 am

1 stop20h 57m

$1,161
Quickest round-trip

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 5/15

9:10 am-12:39 pm

1 stop20h 29m

Portland

Mon 5/25

3:30 pm-7:05 am

2 stops22h 35m

$1,164

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 5/15

9:15 am-4:00 pm

2 stops23h 45m

Portland

Mon 5/25

9:20 am-6:50 am

2 stops28h 30m

$1,165

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 58 resultsSorted by cheapest first
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6

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 round-trip 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

How far ahead should I book a flight from Australia to Portland?

The best time to book flights from Australia to Portland is 4 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Australia to Portland (average of $508). Flying from Australia to Portland in May is currently the most expensive (average of $843). 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 April 30, 2026.
See what other customers who have flown with United Airlines from Australia to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,677 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,677 reviews
United Airlines
7.4
Good
9,677 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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?

    If you book a flight to Portland from Australia, you will be flying to Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland.

  • How long is the flight from Australia to Portland?

    Departing from Australia to Portland will take you 26h 59m. There are 8111 mi between Australia and Portland. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Australia to Portland one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $497. Air Canada flights start at $501 while deals on Delta start at $512 one-way.

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

    While some choose either Melbourne - Portland or Melbourne Avalon - Portland, Sydney Kingsford Smith - Portland is the most popular route from Australia to 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 vacation 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, January is the cheapest month in which you can book a flight from Australia to Portland (average of $508). Flying from Australia to Portland in May is currently the most expensive (average of $843). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Beaverton
Seaside
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Pacific City

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Australia to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Boise flights
Brisbane to Portland flights
Brisbane to Boise flights
Pago Pago to Portland flights

Top airline flying from Australia to Portland

Discover the top airline 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 2,558,603 searches. Data last updated April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$892Average$1,094FlexibilityNo cancel feeOn-time69%

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