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$805+ 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ADL
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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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 July 29, 2025.

Round-trip from

$1,134
(Air Canada)

One-way from

$805
(United Airlines)
From Portland to Adelaide
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One-way flight from Portland to Adelaide
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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 July 29, 2025.

This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:40 pmPDX - ADL
2 stops23h 55mMultiple Airlines
Wed 9/38:00 pmADL - PDX
2 stops29h 51mMultiple Airlines
Deal found 7/28$1,134
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 11/83:54 pmPDX - ADL
2 stops29h 56mUnited Airlines
Sat 11/226:00 amADL - PDX
3 stops31h 06mUnited Airlines
Deal found 7/27$1,397
This Gotogate deal was found by Cheapflights users on 7/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/53:25 pmPDX - ADL
3 stops30h 20mAir New Zealand
Fri 9/126:30 amADL - PDX
3 stops28h 46mAir New Zealand
Deal found 7/28$1,896
This oojo deal was found by Cheapflights users on 7/27. 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.
Sat 12/271:44 amPDX - ADL
2 stops44h 51mQatar Airways
Tue 1/1310:00 pmADL - PDX
2 stops41h 09mQatar Airways
Deal found 7/27$3,029
This Booking.com deal was found by Cheapflights users on 7/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:50 amPDX - ADL
3 stops37h 50mANA
Sat 11/225:05 pmADL - PDX
3 stops44h 01mANA
Deal found 7/27$9,379

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 July 29, 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 8/27

7:40 pm-12:05 pm

2 stops23h 55m

Adelaide

Wed 9/3

8:00 pm-9:21 am

2 stops29h 51m

$1,134

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 9/5

3:25 pm-2:15 pm

3 stops30h 20m

Adelaide

Fri 9/12

6:30 am-6:46 pm

3 stops28h 46m

$1,896

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 12/28

11:55 pm-9:30 am

2 stops39h 05m

$805

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sat 12/27

1:44 am-5:05 pm

2 stops44h 51m

$1,945

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 12/28

4:26 pm-1:35 pm

3 stops26h 39m

$2,028

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 July 29, 2025.

One of the essential ways to save on airfare from Portland to Adelaide is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 20% on airfare.

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with Air New Zealand, Qatar Airways, and United Airlines from Portland to Adelaide by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very good
502 reviews

Comfort

8.0

Entertainment

7.4

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
Air New Zealand
8.0
Very good
502 reviews
Air New Zealand
8.0
Very good
502 reviews

Comfort

8.0

Entertainment

7.4

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
Qatar Airways
7.4
Good
3,609 reviews
Air New Zealand
8.0
Very good
502 reviews

Comfort

8.0

Entertainment

7.4

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
United Airlines
7.4
Good
8,899 reviews
Air New Zealand
8.0
Very good
502 reviews

Comfort

8.0

Entertainment

7.4

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

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.

  • What is the cheapest airline to fly from Portland to Adelaide round-trip?

    Flying on Air New Zealand is currently your cheapest option to Adelaide, with prices starting at $1,896.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Portland to Adelaide (average of $1,214). Flying from Portland to Adelaide in December is currently the most expensive (average of $2,057). 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 Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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