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Cheap flights from Adelaide to Portland from $1,598

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — PDX
20 Aug — 27 Aug1
1 adult

Cheap flight deals from Adelaide to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Adelaide (ADL) to Portland (PDX). 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 15 August 2025.

Round-trip from

$1,598
27/8-30/8
  • 27/8-30/8
  • 4 total stops
  • 46h 15m total
  • Adelaide to Portland
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Find flight deals from Adelaide to Portland

Cheapest flights from Adelaide to Portland
Explore the most affordable flight options available from Adelaide to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Wed 27/811:55ADL - PDX
2 stops21h 25mMultiple Airlines
Sat 30/817:35PDX - ADL
2 stops24h 50mMultiple Airlines
Deal found 12/8$1,598
Sun 28/921:20ADL - PDX
2 stops28h 31mMultiple Airlines
Sun 5/1006:15PDX - ADL
2 stops56h 15mMultiple Airlines
Deal found 14/8$2,121
Sun 28/921:20ADL - PDX
2 stops29h 24mUnited Airlines
Sun 5/1005:30PDX - ADL
3 stops36h 50mUnited Airlines
Deal found 14/8$2,740
Sun 28/916:30ADL - PDX
3 stops38h 42mANA
Sun 5/1009:55PDX - ADL
3 stops39h 45mANA
Deal found 14/8$21,016

Cheapflights Fare Finder

 
Customise your flight search to find flights from Adelaide to Portland 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 647,157 searches. Data last updated 15 August 2025.
Use the filters below to find and compare flights from Adelaide to Portland that are best for you.

Fly from

Adelaide

Fly to

Portland

Route

Depart

Return

Price

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Wed 27/8

11:55-16:50

2 stops21h 25m

Portland

Sat 30/8

17:35-10:55

2 stops24h 50m

$1,598

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 28/9

21:20-09:21

2 stops28h 31m

Portland

Sun 5/10

06:15-08:00

2 stops56h 15m

$2,121

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 28/9

21:20-10:14

2 stops29h 24m

Portland

Sun 5/10

05:30-11:50

3 stops36h 50m

$2,740

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 28/9

16:30-14:42

3 stops38h 42m

Portland

Sun 5/10

09:55-19:10

3 stops39h 45m

$21,016

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 4/1

18:30-21:00

2 stops45h 00m

$2,360

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 4/1

12:35-20:45

3 stops26h 40m

$3,636

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Best time to book a flight from Adelaide to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Adelaide with our price prediction graph.
Estimated return 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 Adelaide to Portland

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

Find hourly flight availability from Adelaide to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 August 2025.

It’s typically best to fly out from Adelaide to Portland in the morning. Doing so could potentially save you 4% on the flight price compared to flying at midday, which is usually more expensive.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated 15 August 2025.
Read reviews from past customers who have flown with Qantas Airways from Adelaide to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
895 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.9

Comfort

7.4

Entertainment

7.2

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
Qantas Airways
7.5
Good
895 reviews
Qantas Airways
7.5
Good
895 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.9

Comfort

7.4

Entertainment

7.2

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Related info for your journey

Find useful and relevant information for your journey from Adelaide to Portland. 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 Adelaide to Portland round-trip?

    Currently priced at $1,629, Qantas Airways will fly you from Adelaide to Portland and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Adelaide to Portland 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 Adelaide to Portland?

    Currently, January is the cheapest month in which you can book a flight from Adelaide to Portland (average of $908). Flying from Adelaide to Portland in December is currently the most expensive (average of $1,407). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Adelaide to Portland

Discover the top airline that operate flights from Adelaide to Portland. 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 647,157 searches. Data last updated 15 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,629Average$1,866FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Adelaide to Portland?

Cheapflights makes it easy to find Adelaide to Portland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Adelaide to Portland?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Adelaide to Portland.

Can Cheapflights find flights from Adelaide to Portland with no change fees?

Yes! Cheapflights helps users easily find flights from Adelaide to Portland with no change fees.

Can Cheapflights notify me if prices for flights from Adelaide to Portland become cheaper?

Yes, Cheapflights offers price alerts on Adelaide to Portland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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