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

The cheapet airlines for a one-way flight from Portland to Australia are United Airlines ($702), Delta ($885), and Air Canada ($946). Find deals

What are the most popular routes from Portland to Australia?

When deciding which route to take from Portland to Australia, consider Portland - Sydney Kingsford Smith, Portland - Melbourne or Portland - Brisbane, as they are the most popular.

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

Users have found that booking a flight from Portland to Australia at least 24 days early can save you up to 72% on average compared to booking a flight this week. If booking 24 days before your flight isn’t an option for you, users have found flights from Portland to Australia for as little as $1,461 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,798 for flights departing within the next 3 days.

What is the cheapest month to fly from Portland to Australia?

The best pricing can be found in the month of February. Prices to Australia from Portland average $1,829. You can even find prices in February for less than $1,829, as users have found deals to Australia from as low as $1,345. The month of December appears to be one of the more expensive times to travel to Australia from Portland. Flying in the targeted month can save you up to 40%.

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

If you book a flight to Australia from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PDX) is located 9.7 km from the centre of Portland.

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

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

How can I find direct flights from Portland to Australia?

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

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

Yes. Cheapflights offers flight deals from Portland to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$2,301+ Flights from Portland to Australia

Cheap flight deals from Portland to Australia

Round-trip from	$1,392
One-way from	$668

United Airlines
15/2-28/2
2 total stops
45h 40m total
Portland to Australia

Search Deals

3/3
2 total stops
31h 40m total
Portland to Australia

Search Deals

Find flight deals from Portland to Australia

Cheapest flights from Portland to Australia
Explore the most affordable flight options available from Portland to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Sat 15/213:18PDX - BNE

1 stop24h 12mUnited Airlines

Fri 28/211:40BNE - PDX

1 stop21h 28mUnited Airlines

Deal found 16/1$1,392

Sun 26/1015:25PDX - MEL

2 stops27h 10mAir Canada

Sun 9/1107:10MEL - PDX

2 stops21h 24mAir Canada

Deal found 16/1$1,463

Mon 10/315:25PDX - SYD

1 stop23h 10mAir Canada

Thu 20/319:15SYD - PDX

2 stops41h 09mAir Canada

Deal found 15/1$1,472

Thu 27/209:38PDX - SYD

1 stop34h 57mMultiple Airlines

Wed 12/309:15SYD - PDX

2 stops29h 10mMultiple Airlines

Deal found 16/1$1,477

Sat 8/217:04PDX - MEL

2 stops24h 11mMultiple Airlines

Fri 14/213:45MEL - PDX

2 stops25h 43mMultiple Airlines

Deal found 17/1$1,495

Mon 24/207:00PDX - SYD

1 stop17h 45mAlaska Airlines

Sun 9/321:40SYD - PDX

1 stop16h 45mAlaska Airlines

Deal found 16/1$1,522

Sat 1/319:46PDX - SYD

1 stop18h 29mUnited Airlines

Sat 8/311:50SYD - PDX

1 stop30h 25mUnited Airlines

Deal found 16/1$1,548

Thu 27/207:00PDX - SYD

1 stop17h 45mHawaiian Airlines

Tue 11/321:40SYD - PDX

2 stops20h 27mHawaiian Airlines

Deal found 16/1$1,567

Sat 15/215:25PDX - BNE

1 stop23h 15mMultiple Airlines

Fri 28/211:20BNE - PDX

3 stops26h 11mMultiple Airlines

Deal found 16/1$1,574

Tue 4/315:43PDX - SYD

1 stop22h 17mAmerican Airlines

Wed 19/311:15SYD - PDX

1 stop22h 00mAmerican Airlines

Deal found 17/1$1,622

Sun 3/810:10PDX - BNE

1 stop27h 55mAir Canada

Sat 23/819:05BNE - PDX

2 stops31h 30mAir Canada

Deal found 16/1$1,678

Sat 15/214:14PDX - BNE

1 stop22h 01mAmerican Airlines

Sat 22/209:40BNE - PDX

1 stop30h 04mAmerican Airlines

Deal found 16/1$1,711

Best flights from Portland to Australia
Discover carefully curated flight deals from Portland to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 January 2025.

Sat 15/213:18PDX - BNE

1 stop24h 12mUnited Airlines

Fri 28/211:40BNE - PDX

1 stop21h 28mUnited Airlines

Deal found 16/1$1,392

Mon 10/315:25PDX - SYD

1 stop23h 10mAir Canada

Thu 20/319:15SYD - PDX

2 stops41h 09mAir Canada

Deal found 15/1$1,472

Thu 27/209:38PDX - SYD

1 stop34h 57mMultiple Airlines

Wed 12/309:15SYD - PDX

2 stops29h 10mMultiple Airlines

Deal found 16/1$1,477

Mon 24/207:00PDX - SYD

1 stop17h 45mAlaska Airlines

Sun 9/321:40SYD - PDX

1 stop16h 45mAlaska Airlines

Deal found 16/1$1,522

Thu 27/207:00PDX - SYD

1 stop17h 45mHawaiian Airlines

Tue 11/321:40SYD - PDX

2 stops20h 27mHawaiian Airlines

Deal found 16/1$1,567

Sat 15/214:14PDX - BNE

1 stop22h 01mAmerican Airlines

Sat 22/209:40BNE - PDX

1 stop30h 04mAmerican Airlines

Deal found 16/1$1,711

Tue 25/216:20PDX - SYD

1 stop19h 30mDelta

Sun 9/311:05SYD - PDX

2 stops25h 04mDelta

Deal found 16/1$1,728

Sat 1/308:00PDX - PER

2 stops42h 45mQatar Airways

Thu 20/322:45PER - PDX

2 stops37h 06mQatar Airways

Deal found 16/1$2,071

Tue 4/315:49PDX - PER

2 stops38h 56mCathay Pacific

Mon 10/300:15PER - PDX

2 stops49h 21mCathay Pacific

Deal found 16/1$2,140

Thu 8/519:30PDX - MEL

2 stops22h 20mAir New Zealand

Wed 28/508:35MEL - PDX

2 stops27h 01mAir New Zealand

Deal found 16/1$2,366

Wed 26/215:43PDX - SYD

2 stops25h 47mFiji Airways

Tue 11/314:00SYD - PDX

2 stops21h 59mFiji Airways

Deal found 16/1$2,407

Tue 4/308:00PDX - PER

3 stops36h 35mSingapore Airlines

Mon 10/301:10PER - PDX

2 stops26h 51mSingapore Airlines

Deal found 16/1$2,452

Last-minute flights from Portland to Australia
Discover last-minute flight deals from Portland to Australia. Data last updated 17 January 2025 and is based on user searches.

Tue 21/117:26PDX - PER

2 stops37h 19mCathay Pacific

Thu 20/200:15PER - PDX

2 stops34h 00mCathay Pacific

Deal found 16/1$5,476

Tue 21/105:05PDX - PER

2 stops26h 50mMultiple Airlines

Thu 20/201:10PER - PDX

3 stops35h 34mMultiple Airlines

Deal found 16/1$7,042

Tue 21/107:02PDX - PER

3 stops37h 33mSingapore Airlines

Fri 21/217:30PER - PDX

2 stops33h 24mSingapore Airlines

Deal found 16/1$10,024

Fri 24/109:00PDX - SYD

1 stop29h 15mUnited Airlines

Sun 9/216:15SYD - PDX

1 stop23h 22mUnited Airlines

Deal found 16/1$1,847

Fri 24/117:55PDX - SYD

3 stops28h 45mAir Tahiti Nui

Sun 9/208:55SYD - PDX

3 stops25h 10mAir Tahiti Nui

Deal found 16/1$3,154

Fri 24/117:55PDX - SYD

3 stops28h 45mMultiple Airlines

Sun 9/221:40SYD - PDX

2 stops41h 43mMultiple Airlines

Deal found 16/1$3,460

Sun 26/113:32PDX - MEL

1 stop25h 28mUnited Airlines

Tue 25/213:00MEL - PDX

1 stop24h 40mUnited Airlines

Deal found 16/1$2,604

Sun 26/117:55PDX - MEL

2 stops47h 35mCathay Pacific

Mon 24/200:45MEL - PDX

2 stops40h 04mCathay Pacific

Deal found 16/1$3,798

Sun 26/115:37PDX - AVV

2 stops29h 08mQantas Airways

Tue 25/216:20AVV - PDX

2 stops25h 20mQantas Airways

Deal found 16/1$4,628

Sun 26/115:39PDX - MEL

2 stops23h 41mMultiple Airlines

Tue 25/217:30MEL - PDX

3 stops23h 24mMultiple Airlines

Deal found 16/1$4,868

Fri 31/113:32PDX - SYD

1 stop21h 48mUnited Airlines

Fri 14/212:10SYD - PDX

1 stop21h 58mUnited Airlines

Deal found 16/1$1,548

Sat 8/217:04PDX - MEL

2 stops24h 11mMultiple Airlines

Fri 14/213:45MEL - PDX

2 stops25h 43mMultiple Airlines

Deal found 17/1$1,495

One-way flights from Portland to Australia
Search for one-way flight options from Portland to Australia. Find affordable one-way fares based on user searches. Data last updated 17 January 2025.

Mon 3/309:50PDX - SYD

2 stops31h 40mMultiple Airlines

Deal found 16/1$668

Sat 1/309:00PDX - SYD

2 stops29h 05mUnited Airlines

Deal found 17/1$702

Sun 23/209:50PDX - BNE

2 stops30h 20mMultiple Airlines

Deal found 15/1$703

Sun 23/215:54PDX - BNE

1 stop21h 36mUnited Airlines

Deal found 15/1$756

Tue 11/216:20PDX - SYD

1 stop19h 30mDelta

Deal found 16/1$885

Sun 9/315:25PDX - MEL

2 stops27h 10mAir Canada

Deal found 16/1$946

Wed 29/119:05PDX - MEL

2 stops34h 10mMultiple Airlines

Deal found 15/1$956

Wed 29/118:10PDX - MEL

2 stops44h 50mUnited Airlines

Deal found 16/1$961

Wed 23/419:05PDX - BNE

1 stop18h 55mAir Canada

Deal found 15/1$1,115

Fri 2/519:40PDX - SYD

1 stop18h 40mAir Canada

Deal found 15/1$1,139

Tue 29/417:39PDX - SYD

3 stops31h 11mAir Tahiti Nui

Deal found 16/1$1,838

Sun 9/315:50PDX - AVV

2 stops37h 25mQantas Airways

Deal found 16/1$1,881

Find flights from Portland to Australia within your budget

Fly from

Fly to

Route

Depart

Return

Price

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 15/2

13:18-07:30

1 stop24h 12m

Brisbane

Fri 28/2

11:40-15:08

1 stop21h 28m

$1,392

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 10/3

15:25-08:35

1 stop23h 10m

Sydney Kingsford Smith

Thu 20/3

19:15-18:24

2 stops41h 09m

$1,472

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 27/2

09:38-15:35

1 stop34h 57m

Sydney Kingsford Smith

Wed 12/3

09:15-20:25

2 stops29h 10m

$1,477

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 8/2

17:04-12:15

2 stops24h 11m

Melbourne

Fri 14/2

13:45-20:28

2 stops25h 43m

$1,495

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 24/2

07:00-19:45

1 stop17h 45m

Sydney Kingsford Smith

Sun 9/3

21:40-20:25

1 stop16h 45m

$1,522

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 1/3

19:46-09:15

1 stop18h 29m

Sydney Kingsford Smith

Sat 8/3

11:50-23:15

1 stop30h 25m

$1,548

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 27/2

07:00-19:45

1 stop17h 45m

Sydney Kingsford Smith

Tue 11/3

21:40-00:07

2 stops20h 27m

$1,567

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 15/2

15:25-08:40

1 stop23h 15m

Brisbane

Fri 28/2

11:20-19:31

3 stops26h 11m

$1,574

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 25/2

10:10-14:15

2 stops33h 05m

Melbourne

Mon 10/3

07:10-14:44

2 stops25h 34m

$1,706

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 15/2

14:14-06:15

1 stop22h 01m

Brisbane

Sat 22/2

09:40-21:44

1 stop30h 04m

$1,711

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 52 results

...

Best time to book a flight from Portland to Australia

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

Travel insights for flights from Portland to Australia

Get recent, data-driven insights about flights from Portland to Australia including ideal travel times, pricing trends, and more.

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

Currently, May is the cheapest month in which you can book a flight from Portland to Australia (average of $129). Flying from Portland to Australia in October is currently the most expensive (average of $171). 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.

What is the cheapest time of day to fly from PDX to AU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Australia as you normally would.

Rainfall in Australia by month

In terms of precipitation, rainfall in Australia ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Australia when rainfall is around 50.0 mm.

Temperature in Australia by month

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Australia

Read through reviews of airlines operating flights from Portland to Australia, such as Singapore Airlines, United Airlines and Air Tahiti Nui. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui

8.8

Very Good

62 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Korean Air

8.5

Very Good

1,034 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Asiana Airlines

8.3

Very Good

466 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Singapore Airlines

8.1

Very Good

1,327 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Fiji Airways

8.1

Very Good

187 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Related info for your journey

What airport do you fly from for flights from Portland to Australia?
If you book a flight to Australia from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PDX) is located 9.7 km from the centre of Portland.
What are the cheapest airlines to fly from Portland to Australia one-way?
The cheapet airlines for a one-way flight from Portland to Australia are United Airlines ($702), Delta ($885), and Air Canada ($946).
What are the most popular routes from Portland to Australia?
When deciding which route to take from Portland to Australia, consider Portland - Sydney Kingsford Smith, Portland - Melbourne or Portland - Brisbane, as they are the most popular.
Can I find deals for flights from Portland to Australia that include hotel bookings?
Yes. In addition to deals on Portland to Australia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portland to Australia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Australia.
Can I find deals for business class flights from Portland to Australia?
Yes. Cheapflights offers flight deals from Portland to Australia 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 Portland to Australia?
Currently, May is the cheapest month in which you can book a flight from Portland to Australia (average of $129). Flying from Portland to Australia in October is currently the most expensive (average of $171). 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

Top airline flying from Portland to Australia

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,302	Average$1,873	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Portland to Australia?

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

Cheapflights helps you find that perfect flight to Australia from Portland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Portland to Australia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Portland to Australia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Portland to Australia from $668

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portland to Australia

Round-trip from

One-way from

Find flight deals from Portland to Australia

Cheapest flights from Portland to AustraliaExplore the most affordable flight options available from Portland to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Explore the most affordable flight options available from Portland to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Find flights from Portland to Australia within your budget

Best time to book a flight from Portland to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Portland with our price prediction graph.

Travel insights for flights from Portland to Australia

Get recent, data-driven insights about flights from Portland to Australia including ideal travel times, pricing trends, and more.

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

What is the cheapest time of day to fly from PDX to AU?

Find hourly flight availability from Portland to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 January 2025.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

Reviews of airlines servicing Australia

Read through reviews of airlines operating flights from Portland to Australia, such as Singapore Airlines, United Airlines and Air Tahiti Nui. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portland to Australia. 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 from for flights from Portland to Australia?

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

What are the most popular routes from Portland to Australia?

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

How can I find direct flights from Portland to Australia?

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

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

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.

Alternative routes for Portland to Australia

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Portland to Australia

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 Portland to Australia?

Why should you use Cheapflights to find cheap flight tickets from Portland to Australia?

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

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

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Book with Flexibility

Travel Smart

Cheapest flights from Portland to Australia
Explore the most affordable flight options available from Portland to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.