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$1,122+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ADL
ene. 27 — feb. 31
lun. 1/27
lun. 2/3
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 enero 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,339
(Fiji Airways)

Popular in

December

Cheapest in

October

Average price

$1,351
Provider with most accurate pricing for Portland-Adelaide flight deals.
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Provider most trusted by Cheapflights users for Portland-Adelaide flights.
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From Portland to Adelaide
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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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 enero 22, 2025.

This Air Canada deal was found by Cheapflights users on 1/22. 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.
dom. 9/287:40 pmPDX - ADL
2 stops33h 55mAir Canada
sáb. 10/46:00 amADL - PDX
2 stops25h 16mAir Canada
Deal found 1/22$1,122
This Fiji Airways deal was found by Cheapflights users on 1/22. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/65:50 pmPDX - ADL
2 stops25h 15mMultiple Airlines
sáb. 5/3112:35 pmADL - PDX
2 stops24h 34mMultiple Airlines
Deal found 1/22$1,339
This United Airlines deal was found by Cheapflights users on 1/22. 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.
sáb. 5/176:30 pmPDX - ADL
2 stops23h 55mUnited Airlines
dom. 6/16:05 amADL - PDX
2 stops22h 52mUnited Airlines
Deal found 1/22$1,390
This StudentUniverse deal was found by Cheapflights users on 1/22. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/171:25 pmPDX - ADL
2 stops29h 40mFiji Airways
dom. 6/18:55 amADL - PDX
3 stops28h 35mFiji Airways
Deal found 1/22$1,526
This StudentUniverse deal was found by Cheapflights users on 1/22. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/73:25 pmPDX - ADL
2 stops27h 00mAir New Zealand
sáb. 5/316:55 pmADL - PDX
3 stops40h 11mAir New Zealand
Deal found 1/22$1,594
This oojo deal was found by Cheapflights users on 1/22. 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.
sáb. 3/18:00 amPDX - ADL
3 stops52h 05mQatar Airways
mié. 3/1912:50 pmADL - PDX
3 stops48h 52mQatar Airways
Deal found 1/22$2,195
This Justfly.com deal was found by Cheapflights users on 1/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/235:50 pmPDX - ADL
2 stops30h 00mSingapore Airlines
dom. 4/275:35 pmADL - PDX
2 stops36h 44mSingapore Airlines
Deal found 1/22$9,119

Find flights from Portland to Adelaide within your budget

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 enero 22, 2025.

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Fly to

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Price

PortlandAdelaide

PDX - ADL

PDXADL

Portland

mar. 5/6

5:50 pm-11:35 am

2 stops25h 15m

Adelaide

sáb. 5/31

12:35 pm-8:39 pm

2 stops24h 34m

$1,339

PortlandAdelaide

PDX - ADL

PDXADL

Portland

sáb. 3/1

7:05 pm-4:20 pm

2 stops26h 45m

Adelaide

mié. 3/19

7:45 pm-9:34 am

2 stops31h 19m

$1,342

PortlandAdelaide

PDX - ADL

PDXADL

Portland

sáb. 5/17

6:30 pm-10:55 am

2 stops23h 55m

Adelaide

dom. 6/1

6:05 am-12:27 pm

2 stops22h 52m

$1,390

PortlandAdelaide

PDX - ADL

PDXADL

Portland

sáb. 5/17

1:25 pm-11:35 am

2 stops29h 40m

Adelaide

dom. 6/1

8:55 am-9:00 pm

3 stops28h 35m

$1,526

PortlandAdelaide

PDX - ADL

PDXADL

Portland

mié. 5/7

3:25 pm-10:55 am

2 stops27h 00m

Adelaide

sáb. 5/31

6:55 pm-6:36 pm

3 stops40h 11m

$1,594

PortlandAdelaide

PDX - ADL

PDXADL

Portland

sáb. 3/1

8:00 am-6:35 am

3 stops52h 05m

Adelaide

mié. 3/19

12:50 pm-8:12 pm

3 stops48h 52m

$2,195

PortlandAdelaide

PDX - ADL

PDXADL

Portland

mié. 4/23

5:50 pm-4:20 pm

2 stops30h 00m

Adelaide

dom. 4/27

5:35 pm-1:49 pm

2 stops36h 44m

$9,119

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 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 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.

Travel insights for flights from Portland to Adelaide

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

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 enero 22, 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 enero 22, 2025.
Singapore Airlines
8.1
Very good
1,328 reviews

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.7

Reviews

1 / 10

Sin to amd was not good flight. Food was bad. It was like few days old.

Singapore Airlines
8.1
Very good
1,328 reviews
Singapore Airlines
8.1
Very good
1,328 reviews

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.7

Reviews

1 / 10

Sin to amd was not good flight. Food was bad. It was like few days old.

Fiji Airways
8.1
Very good
188 reviews
Singapore Airlines
8.1
Very good
1,328 reviews

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.7

Reviews

1 / 10

Sin to amd was not good flight. Food was bad. It was like few days old.

Air New Zealand
7.9
Good
482 reviews
Singapore Airlines
8.1
Very good
1,328 reviews

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.7

Reviews

1 / 10

Sin to amd was not good flight. Food was bad. It was like few days old.

Qatar Airways
7.5
Good
3,747 reviews
Singapore Airlines
8.1
Very good
1,328 reviews

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.7

Reviews

1 / 10

Sin to amd was not good flight. Food was bad. It was like few days old.

United Airlines
7.4
Good
8,975 reviews
Singapore Airlines
8.1
Very good
1,328 reviews

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.7

Reviews

1 / 10

Sin to amd was not good flight. Food was bad. It was like few days old.

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 $1,342. Additional round-trip tickets that might be worth considering are offered by United Airlines and Fiji Airways, with the lowest prices starting at $1,390 and $1,526, respectively. Air Canada is currently priced 12% below the average price you’ll pay for this route.

  • 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?

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Top airline flying from Portland to Adelaide

Discover the top airline that operate flights from Portland to Adelaide. 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 2,558,603 searches. Data last updated enero 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,455Average$1,644FlexibilityNo cancel feeOn-time69%
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