$632 Cheap Flights from Adelaide (ADL) to Portland (PDX)

View $632 flight on Mon, Nov 3, 2025Opens in a new window

Popular airlines from Adelaide, SA Airport (ADL) to Portland International Airport (PDX)

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Cheap Flights from Adelaide to Portland (ADL-PDX)

Prices were available within the past 7 days and start at $632 for one-way flights and $1,147 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fiji Airways
Mon, Nov 24 - Mon, Dec 1
ADL
Adelaide
PDX
Portland
$1,147 Roundtrip, found 3 days ago
$1,147
Roundtrip
found 3 days ago
Select Fiji Airways flight, departing Mon, Nov 24 from Adelaide to Portland, returning Mon, Dec 1, priced at $1,147 found 3 days ago
Air Canada
Mon, Nov 24 - Mon, Dec 1
ADL
Adelaide
PDX
Portland
$1,293 Roundtrip, found 3 days ago
$1,293
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Nov 24 from Adelaide to Portland, returning Mon, Dec 1, priced at $1,293 found 3 days ago
Air Canada
Mon, Nov 24 - Mon, Dec 1
ADL
Adelaide
PDX
Portland
$1,335 Roundtrip, found 3 days ago
$1,335
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Nov 24 from Adelaide to Portland, returning Mon, Dec 1, priced at $1,335 found 3 days ago
Air Canada
Mon, Nov 24 - Mon, Dec 1
ADL
Adelaide
PDX
Portland
$1,349 Roundtrip, found 3 days ago
$1,349
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Nov 24 from Adelaide to Portland, returning Mon, Dec 1, priced at $1,349 found 3 days ago
Air Canada
Mon, Nov 24 - Mon, Dec 1
ADL
Adelaide
PDX
Portland
$1,377 Roundtrip, found 3 days ago
$1,377
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Nov 24 from Adelaide to Portland, returning Mon, Dec 1, priced at $1,377 found 3 days ago
Air Canada
Mon, Nov 24 - Mon, Dec 1
ADL
Adelaide
PDX
Portland
$1,391 Roundtrip, found 3 days ago
$1,391
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Nov 24 from Adelaide to Portland, returning Mon, Dec 1, priced at $1,391 found 3 days ago
Air Canada
Mon, Nov 24 - Mon, Dec 1
ADL
Adelaide
PDX
Portland
$1,419 Roundtrip, found 3 days ago
$1,419
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Nov 24 from Adelaide to Portland, returning Mon, Dec 1, priced at $1,419 found 3 days ago
Virgin Australia
Mon, Nov 24 - Mon, Dec 1
ADL
Adelaide
PDX
Portland
$1,508 Roundtrip, found 3 days ago
$1,508
Roundtrip
found 3 days ago
Select Virgin Australia flight, departing Mon, Nov 24 from Adelaide to Portland, returning Mon, Dec 1, priced at $1,508 found 3 days ago
Air New Zealand
Mon, Dec 22 - Mon, Jan 5
ADL
Adelaide
PDX
Portland
$2,183 Roundtrip, found 5 days ago
$2,183
Roundtrip
found 5 days ago
Select Air New Zealand flight, departing Mon, Dec 22 from Adelaide to Portland, returning Mon, Jan 5, priced at $2,183 found 5 days ago
Qatar Airways
Mon, Nov 24 - Mon, Dec 1
ADL
Adelaide
PDX
Portland
$2,298 Roundtrip, found 3 days ago
$2,298
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Mon, Nov 24 from Adelaide to Portland, returning Mon, Dec 1, priced at $2,298 found 3 days ago

Frequently asked questions

How much does a flight from Adelaide Airport (ADL) to Portland Intl. Airport (PDX) cost?
Snag a cheap one-way flight from $632 or cheap return flight from $1,147 from Adelaide Airport (ADL) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Adelaide Airport (ADL) to Portland Intl. Airport (PDX)?
Flying in November can help you save, as it's the cheapest month for flights between ADL and PDX. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Adelaide Airport (ADL) to Portland Intl. Airport (PDX)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ADL to PDX flight.
How many flights per day from Adelaide Airport (ADL) to Portland Intl. Airport (PDX)?
There aren't any daily nonstop flights departing from Adelaide Airport (ADL) to Portland Intl. Airport (PDX). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from ADL to PDX?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Adelaide Airport (ADL) to Portland Intl. Airport (PDX)?
Select a flight from Adelaide Airport (ADL) to Portland Intl. Airport (PDX) that takes off before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Adelaide Airport (ADL) to Portland Intl. Airport (PDX) last-minute?
Last-minute fares from ADL to PDX are typically more expensive. To secure the lowest prices, start searching for flights ahead of time. That being said, if you can play around with your travel dates, it's possible to find a cheap fare right before your journey.
Is it cheaper to book an ADL to PDX flight and hotel package?
You'll generally save money by securing an ADL to PDX flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Adelaide Airport (ADL) to Portland Intl. Airport (PDX)?
Usually, it's possible to reschedule or cancel your ADL to PDX flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Adelaide
Destination airport
Portland Intl.
Roundtrip price
$1,147
Distance
8280 mi

Book with confidence

Adelaide to Portland Flights

The cheapest times to fly from Adelaide to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Adelaide to Portland are during the month of November. You can find some of the cheapest flights from Adelaide to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Adelaide to Portland

Sunday is one of the best days to book for cheap flights from Adelaide to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Adelaide to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Adelaide to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $632 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Adelaide to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Adelaide to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Adelaide to Portland Flights

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*Available to One Key members.