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Cheap flights from Portland to Australia from $718

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
25 Dec — 1 Jan1
1 adult

Cheap flight deals from Portland to Australia

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Australia (AU0). 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 20 December 2024.

Round-trip from

$1,320

One-way from

$718
23/2-4/3
  • 23/2-4/3
  • 3 total stops
  • 57h 06m total
  • Portland to Australia
United Airlines
  • United Airlines
  • 30/4
  • 2 total stops
  • 43h 37m total
  • Portland to Australia

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 20 December 2024.

Thu 26/1205:00PDX - SYD
1 stop31h 00mUnited Airlines
Fri 31/116:15SYD - PDX
1 stop27h 41mUnited Airlines
Deal found 19/12$1,465
Sun 29/1219:45PDX - MEL
1 stop19h 15mUnited Airlines
Thu 16/113:00MEL - PDX
1 stop18h 30mUnited Airlines
Deal found 20/12$2,216
Thu 26/1207:15PDX - SYD
1 stop37h 20mMultiple Airlines
Fri 31/117:25SYD - PDX
1 stop20h 35mMultiple Airlines
Deal found 19/12$2,418
Fri 20/1210:10PDX - SYD
2 stops39h 05mANA
Tue 28/112:25SYD - PDX
2 stops24h 59mANA
Deal found 19/12$3,817
Sun 29/1219:05PDX - MEL
2 stops44h 45mMultiple Airlines
Thu 16/106:45MEL - PDX
3 stops27h 03mMultiple Airlines
Deal found 20/12$3,852
Fri 20/1219:05PDX - SYD
1 stop40h 50mAir Canada
Tue 28/111:20SYD - PDX
1 stop22h 24mAir Canada
Deal found 20/12$4,059
Tue 24/1208:00PDX - SYD
1 stop30h 00mQantas Airways
Thu 26/1211:15SYD - PDX
1 stop30h 29mQantas Airways
Deal found 20/12$4,174
Sun 29/1206:00PDX - MEL
2 stops59h 30mCathay Pacific
Wed 15/100:45MEL - PDX
2 stops57h 03mCathay Pacific
Deal found 20/12$4,245
Fri 20/1221:29PDX - SYD
2 stops39h 51mAsiana Airlines
Tue 28/110:20SYD - PDX
2 stops27h 42mAsiana Airlines
Deal found 20/12$4,500
Sun 29/1206:00PDX - MEL
3 stops40h 50mAir Tahiti Nui
Thu 16/106:45MEL - PDX
3 stops27h 03mAir Tahiti Nui
Deal found 19/12$4,663
Fri 20/1215:39PDX - SYD
2 stops35h 11mFiji Airways
Tue 28/114:00SYD - PDX
3 stops26h 41mFiji Airways
Deal found 19/12$5,187
Thu 26/1215:39PDX - AVV
2 stops27h 31mMultiple Airlines
Mon 6/120:55AVV - PDX
2 stops41h 04mMultiple Airlines
Deal found 19/12$5,912

Find flights from Portland to Australia within your budget

Customise your flight search to find flights from Portland to Australia 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 20 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 23/2

09:38-15:35

1 stop34h 57m

Sydney Kingsford Smith

Tue 4/3

14:00-17:09

2 stops22h 09m

$1,320

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 9/2

19:05-09:35

1 stop19h 30m

Sydney Kingsford Smith

Wed 5/3

11:20-09:34

1 stop17h 14m

$1,402

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 25/2

15:25-14:10

2 stops27h 45m

Melbourne

Sun 9/3

07:05-13:44

2 stops25h 39m

$1,455

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 31/1

09:00-06:20

1 stop26h 20m

Sydney Kingsford Smith

Fri 14/2

12:10-12:32

1 stop19h 22m

$1,463

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 2/5

19:55-06:35

1 stop41h 40m

Sydney Kingsford Smith

Sat 17/5

09:25-18:39

2 stops26h 14m

$1,554

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 2/3

19:05-08:40

1 stop19h 35m

Brisbane

Mon 10/3

06:10-14:44

2 stops25h 34m

$1,681

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 15/3

10:10-07:40

1 stop28h 30m

Brisbane

Tue 25/3

09:40-14:44

1 stop22h 04m

$1,745

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 8/6

10:50-19:45

1 stop39h 55m

Sydney Kingsford Smith

Sat 14/6

21:40-22:05

1 stop17h 25m

$1,852

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 22/2

13:18-10:00

1 stop25h 42m

Melbourne

Fri 14/3

12:00-12:37

1 stop18h 37m

$1,918

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Thu 20/3

19:05-20:20

2 stops31h 15m

Melbourne Avalon

Thu 27/3

06:00-09:34

2 stops21h 34m

$1,923

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 56 results
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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?

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 20 December 2024.

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

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

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

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated 20 December 2024.
Read through reviews of airlines operating flights from Portland to Australia, such as United Airlines, Delta and Air New Zealand. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.6
Very Good
65 reviews

Comfort

8.0

Boarding

8.5

Entertainment

7.2

Overall

8.6

Crew

8.9

Food

7.7

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.

8.6
Very Good
65 reviews
8.6
Very Good
65 reviews

Comfort

8.0

Boarding

8.5

Entertainment

7.2

Overall

8.6

Crew

8.9

Food

7.7

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.

8.4
Very Good
842 reviews
8.6
Very Good
65 reviews

Comfort

8.0

Boarding

8.5

Entertainment

7.2

Overall

8.6

Crew

8.9

Food

7.7

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.

8.3
Very Good
474 reviews
8.6
Very Good
65 reviews

Comfort

8.0

Boarding

8.5

Entertainment

7.2

Overall

8.6

Crew

8.9

Food

7.7

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.

8.1
Very Good
191 reviews
8.6
Very Good
65 reviews

Comfort

8.0

Boarding

8.5

Entertainment

7.2

Overall

8.6

Crew

8.9

Food

7.7

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.

8.1
Very Good
3,405 reviews
8.6
Very Good
65 reviews

Comfort

8.0

Boarding

8.5

Entertainment

7.2

Overall

8.6

Crew

8.9

Food

7.7

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.

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?

    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 ($718), Delta ($1,022), and Hawaiian Airlines ($1,572).

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

  • 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

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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

Discover the top airline that operate flights from Portland to Australia. 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 20 December 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,297Average$2,066FlexibilityNo cancel feeOn-time69%
Search United 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 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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