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$606+ Cheap flights from Portland (PDX) to Adelaide (ADL)

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ADL
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Portland to Adelaide

Cheapest flights from Portland to Adelaide
Explore the most affordable flight options available from Portland to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Travelocity deal was found by Cheapflights users on 10/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:00 pmPDX - ADL
2 stops33h 00mAir Canada
Wed 12/36:10 amADL - PDX
2 stops30h 50mAir Canada
Deal found 10/27$1,216
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:26 pmPDX - ADL
2 stops26h 44mQantas Airways
Tue 1/136:05 amADL - PDX
2 stops26h 06mQantas Airways
Deal found 10/27$1,318
This oojo deal was found by Cheapflights users on 10/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:41 pmPDX - ADL
2 stops29h 34mQantas Airways
Fri 12/198:00 pmADL - PDX
2 stops39h 41mQantas Airways
Deal found 10/27$1,536
This oojo deal was found by Cheapflights users on 10/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:41 pmPDX - ADL
2 stops29h 34mQantas Airways
Sat 12/204:10 pmADL - PDX
2 stops43h 31mQantas Airways
Deal found 10/27$1,554
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 12/283:54 pmPDX - ADL
2 stops27h 46mUnited Airlines
Tue 1/136:00 amADL - PDX
3 stops31h 11mUnited Airlines
Deal found 10/27$1,684
This Jetabroad deal was found by Cheapflights users on 10/27. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:00 pmPDX - ADL
2 stops27h 25mAir New Zealand
Wed 12/36:00 amADL - PDX
3 stops31h 00mAir New Zealand
Deal found 10/27$1,948
This Jetabroad deal was found by Cheapflights users on 10/27. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:42 pmPDX - ADL
3 stops30h 03mFiji Airways
Wed 12/37:00 pmADL - PDX
3 stops40h 58mFiji Airways
Deal found 10/27$2,245
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/123:55 pmPDX - ADL
2 stops47h 35mUnited Airlines
Sat 12/202:55 pmADL - PDX
1 stop26h 21mUnited Airlines
Deal found 10/27$2,246
This Jetabroad deal was found by Cheapflights users on 10/27. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:59 pmPDX - ADL
3 stops29h 46mFiji Airways
Fri 12/199:00 amADL - PDX
3 stops26h 41mFiji Airways
Deal found 10/27$2,427
This Jetabroad deal was found by Cheapflights users on 10/27. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:59 pmPDX - ADL
3 stops29h 46mFiji Airways
Sat 12/201:15 pmADL - PDX
2 stops22h 12mFiji Airways
Deal found 10/27$2,495

Cheap flight deals from Portland to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Adelaide (ADL). 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 October 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,216
(Travelocity)

One-way from

$606
(FlightHub)
Provider with most accurate pricing for Portland-Adelaide flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Adelaide flights.
Search Deals
From Portland to Adelaide
Search Deals
One-way flight from Portland to Adelaide
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Adelaide 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 October 28, 2025.
Use the filters below to find and compare flights from Portland to Adelaide that are best for you.

Fly from

Portland

Fly to

Adelaide

Route

Depart

Return

Price

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Wed 11/26

7:00 pm-10:30 pm

2 stops33h 00m

Adelaide

Wed 12/3

6:10 am-6:30 pm

2 stops30h 50m

$1,216

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 12/28

4:26 pm-1:40 pm

2 stops26h 44m

Adelaide

Tue 1/13

7:50 am-1:41 pm

2 stops24h 21m

$1,318

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 12/12

5:41 pm-5:45 pm

2 stops29h 34m

Adelaide

Fri 12/19

8:00 pm-5:11 pm

2 stops39h 41m

$1,536

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 12/12

5:41 pm-5:45 pm

2 stops29h 34m

Adelaide

Sat 12/20

4:10 pm-5:11 pm

2 stops43h 31m

$1,554

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 12/28

3:54 pm-2:10 pm

2 stops27h 46m

Adelaide

Tue 1/13

6:00 am-6:41 pm

3 stops31h 11m

$1,684

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 1/11

12:59 pm-9:30 am

2 stops50h 01m

Adelaide

Sat 1/31

2:55 pm-2:46 pm

1 stop18h 21m

$1,689

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Thu 12/11

5:59 pm-3:45 pm

2 stops27h 16m

$607

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Tue 12/9

7:16 am-8:55 am

3 stops55h 09m

$735

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 12/28

11:59 pm-9:30 am

2 stops39h 01m

$738

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Thu 12/11

1:00 pm-9:30 am

1 stop26h 00m

$895

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 11 results
1
2
  • Most accurate provider: When it comes to deals on Portland-Adelaide flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Adelaide flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Adelaide flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Adelaide flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Adelaide flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Adelaide

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

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

Find hourly flight availability from Portland to Adelaide. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

One of the essential ways to save on airfare from Portland to Adelaide is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 19% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Portland to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Adelaide?

    A quick flight from Portland to Adelaide can take about 26h 44m. Air Canada provides one of the quickest options available for as low as $1,318. The distance from Portland to Adelaide is about 8275 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

See more FAQs

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Glenelg

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