HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Adelaide

$1,160+ Cheap flights from Portland (PDX) to Adelaide (ADL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ADL
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Adelaide with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,451
(Air Canada)
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

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 April 30, 2025.

This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/108:05 amPDX - ADL
2 stops31h 40mMultiple Airlines
Fri 5/164:30 pmADL - PDX
2 stops21h 55mMultiple Airlines
Deal found 4/28$1,160
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:40 pmPDX - ADL
2 stops32h 20mAir Canada
Fri 10/316:10 amADL - PDX
2 stops26h 04mAir Canada
Deal found 4/29$1,451
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:40 pmPDX - ADL
3 stops49h 25mFiji Airways
Mon 5/512:35 pmADL - PDX
2 stops27h 54mFiji Airways
Deal found 4/28$1,643
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.
Sun 12/2811:59 pmPDX - ADL
2 stops39h 01mUnited Airlines
Tue 1/136:10 amADL - PDX
2 stops24h 47mUnited Airlines
Deal found 4/28$1,655
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/123:00 pmPDX - ADL
2 stops28h 05mQantas Airways
Thu 6/197:15 pmADL - PDX
2 stops43h 45mQantas Airways
Deal found 4/27$1,731
This Jetabroad 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:40 pmPDX - ADL
2 stops23h 45mAir New Zealand
Fri 10/318:55 amADL - PDX
3 stops26h 59mAir New Zealand
Deal found 4/29$1,959
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:00 amPDX - ADL
3 stops55h 10mQatar Airways
Fri 10/3112:50 pmADL - PDX
3 stops49h 19mQatar Airways
Deal found 4/29$2,150

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 April 30, 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

Sat 5/10

8:05 am-8:15 am

2 stops31h 40m

Adelaide

Fri 5/16

4:30 pm-9:55 pm

2 stops21h 55m

$1,160

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 10/17

7:40 pm-9:30 pm

2 stops32h 20m

Adelaide

Fri 10/31

6:10 am-2:44 pm

2 stops26h 04m

$1,451

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Thu 6/12

3:00 pm-11:35 am

2 stops28h 05m

Adelaide

Thu 6/19

7:15 pm-10:30 pm

2 stops43h 45m

$1,731

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 10/17

5:40 pm-10:55 am

2 stops23h 45m

Adelaide

Fri 10/31

8:55 am-6:24 pm

3 stops26h 59m

$1,959

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 10/17

7:00 am-7:40 am

3 stops55h 10m

Adelaide

Fri 10/31

12:50 pm-8:39 pm

3 stops49h 19m

$2,150

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from Portland to Adelaide

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Adelaide in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 eDreams the most. eDreams 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 April 30, 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.

Rainfall in Adelaide by month

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

In terms of precipitation, rainfall in Adelaide ranges from 0.4 - 2.4 inches per month. July is typically the wettest month, when rainfall can reach 2.4 in. January is typically the driest time to visit Adelaide when rainfall is around 0.4 in.

Temperature in Adelaide by month

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

If weather is an important factor for your trip to Adelaide, 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 69.8 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 April 30, 2025.
Air New Zealand
8.0
Very good
472 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks
Air New Zealand
8.0
Very good
472 reviews
Air New Zealand
8.0
Very good
472 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks
Qatar Airways
7.4
Good
3,563 reviews
Air New Zealand
8.0
Very good
472 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks
Air Canada
7.0
Good
9,242 reviews
Air New Zealand
8.0
Very good
472 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks

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 are the cheapest airlines flying from Portland to Adelaide round-trip?

    Flying on Air Canada is currently your cheapest option to Adelaide, with prices starting at $1,451. Additional round-trip tickets that might be worth considering are offered by Air New Zealand and Qatar Airways, with the lowest prices starting at $1,959 and $2,150, respectively.

  • 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 Portland?

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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.