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Cheap flights from Adelaide to Portland from $1,853

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — PDX
10 Aug — 17 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Adelaide to Portland

Enter your travel dates to find the best prices.

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 11 July 2026.

Fri 21/806:00
ADL
-
PDX
2 stops34h 29m
Qantas Airways
Fri 28/814:53
PDX
-
ADL
2 stops28h 32m
Qantas Airways
Deal found 7/7$1,853
Sat 22/814:00
ADL
-
PDX
2 stops26h 29m
Qantas Airways
Sat 29/813:53
PDX
-
ADL
2 stops27h 02m
Qantas Airways
Deal found 9/7$1,881
Thu 23/706:05
ADL
-
PDX
2 stops27h 12m
Multiple Airlines
Tue 28/718:03
PDX
-
ADL
2 stops24h 32m
Multiple Airlines
Deal found 8/7$1,889
Sun 9/821:50
ADL
-
PDX
2 stops39h 34m
Virgin Australia
Sat 15/815:43
PDX
-
ADL
2 stops29h 32m
Virgin Australia
Deal found 10/7$1,916
Sat 22/818:30
ADL
-
PDX
3 stops42h 59m
Multiple Airlines
Sat 29/810:33
PDX
-
ADL
2 stops31h 52m
Multiple Airlines
Deal found 9/7$2,162
Sun 9/812:40
ADL
-
PDX
2 stops27h 49m
Multiple Airlines
Sat 15/813:48
PDX
-
ADL
3 stops27h 07m
Multiple Airlines
Deal found 10/7$2,848
Fri 21/812:05
ADL
-
PDX
2 stops21h 15m
Multiple Airlines
Fri 28/810:10
PDX
-
ADL
3 stops33h 15m
Multiple Airlines
Deal found 7/7$2,890

Find 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 11 July 2026.

Round-trip from

$1,853
Qantas Airways
  • Qantas Airways
  • 21/8-28/8
  • 4 total stops
  • 63h 01m total
  • Adelaide to Portland
Search Deals

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 11 July 2026.
Use the filters below to find and compare flights from Adelaide to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Fri 21/8

06:00-23:59

2 stops34h 29m

Portland

Fri 28/8

14:53-11:55

2 stops28h 32m

$1,853
Fastest return journey

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sat 22/8

14:00-23:59

2 stops26h 29m

Portland

Sat 29/8

13:53-09:25

2 stops27h 02m

$1,881

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 23/7

06:05-12:08

2 stops22h 33m

Portland

Tue 28/7

05:15-10:55

3 stops37h 10m

$1,897

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sat 22/8

19:45-20:59

3 stops41h 44m

Portland

Sat 29/8

10:33-10:55

2 stops31h 52m

$2,188

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 9/8

12:40-23:59

2 stops27h 49m

Portland

Sat 15/8

13:48-09:25

3 stops27h 07m

$2,848

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Fri 21/8

14:25-20:50

3 stops46h 55m

Portland

Fri 28/8

07:03-18:25

3 stops42h 52m

$3,377

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 23/7

10:10-16:47

3 stops47h 07m

Portland

Tue 28/7

21:45-08:05

3 stops41h 50m

$3,462

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Sorted by cheapest first

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.

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 11 July 2026.
Read reviews from past customers who have flown with Qantas Airways and United Airlines 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
1,060 reviews
Check prices

Food

7.0

Comfort

7.4

Overall

7.5

Boarding

7.7

Crew

8.1

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
Qantas Airways
7.5
Good
1,060 reviews
Qantas Airways
7.5
Good
1,060 reviews
Check prices

Food

7.0

Comfort

7.4

Overall

7.5

Boarding

7.7

Crew

8.1

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
United Airlines
7.4
Good
9,976 reviews
Qantas Airways
7.5
Good
1,060 reviews
Check prices

Food

7.0

Comfort

7.4

Overall

7.5

Boarding

7.7

Crew

8.1

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!

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.

  • How long is the flight from Adelaide to Portland?

    For as low as $1,853, Qantas Airways can have you in Portland from Adelaide in 34h 29m. The distance between Adelaide and Portland is about 13317 km.

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

    Currently priced at $1,635, United Airlines will fly you from Adelaide to Portland and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Qantas Airways for as low as $1,657.

  • 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.

See more FAQs

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.

Top 2 airlines flying from Adelaide to Portland

Discover the top 2 airlines 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 11 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,635Average$2,352FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,657Average$1,688FlexibilityNo 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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