$962+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ADL
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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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
Cheapest
Best
Last-minute
Cheapest flights from Portland to AdelaideExplore 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 September 10, 2026.
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 September 10, 2026.
This Air Canada deal was found by Cheapflights users on 9/7. 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.
Thu 10/223:30 pm -
2 stops28h 55m
Thu 10/296:10 am -
2 stops29h 51m
Deal found 9/7![Air Canada logo]()
$1,037
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Sat 11/710:00 am -
2 stops35h 50m
Wed 11/116:10 am -
2 stops30h 51m
Deal found 9/9![Air Canada logo]()
$1,156
This BusinessClass deal was found by Cheapflights users on 9/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:48 pm -
3 stops35h 17m
Thu 10/296:00 am -
2 stops32h 19m
Deal found 9/8![Multiple Airlines logo]()
$1,369
This Qantas Airways deal was found by Cheapflights users on 9/7. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:50 pm -
3 stops26h 15m
Sun 10/186:00 am -
2 stops22h 14m
Deal found 9/7![Multiple Airlines logo]()
$1,449
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/247:33 pm -
2 stops22h 57m
Sat 10/316:10 am -
2 stops21h 38m
Deal found 9/9![United Airlines logo]()
$1,595
This Cathay Pacific deal was found by Cheapflights users on 9/7. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:09 am -
3 stops40h 46m
Thu 10/296:05 am -
3 stops44h 56m
Deal found 9/7![Cathay Pacific logo]()
$1,800
Best flights from Portland to AdelaideDiscover carefully curated flight deals from Portland to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Portland to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Justfly.com deal was found by Cheapflights users on 9/6. 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.
Wed 2/177:10 pm -
2 stops24h 15m
Wed 3/316:10 am -
2 stops20h 45m
Deal found 9/6![Air Canada logo]()
$962
This Qantas Airways deal was found by Cheapflights users on 9/7. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:50 pm -
3 stops26h 15m
Sun 10/186:00 am -
2 stops22h 14m
Deal found 9/7![Multiple Airlines logo]()
$1,449
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/247:33 pm -
2 stops22h 57m
Sat 10/316:10 am -
2 stops21h 38m
Deal found 9/9![United Airlines logo]()
$1,595
This Cathay Pacific deal was found by Cheapflights users on 9/8. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:03 am -
3 stops39h 52m
Thu 10/297:50 am -
3 stops43h 11m
Deal found 9/8![Cathay Pacific logo]()
$1,800
This Air Canada deal was found by Cheapflights users on 9/7. 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.
Thu 10/223:30 pm -
2 stops28h 55m
Thu 10/296:10 am -
2 stops29h 51m
Deal found 9/7![Air Canada logo]()
$1,037
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Sat 11/710:00 am -
2 stops35h 50m
Wed 11/116:10 am -
2 stops30h 51m
Deal found 9/9![Air Canada logo]()
$1,156
This Cathay Pacific deal was found by Cheapflights users on 9/5. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/175:00 am -
2 stops35h 00m
Wed 3/312:25 pm -
3 stops41h 50m
Deal found 9/5![Multiple Airlines logo]()
$1,628
Last-minute flights from Portland to AdelaideDiscover last-minute flight deals from Portland to Adelaide. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Adelaide. Data last updated September 10, 2026 and is based on user searches.
This Qantas Airways deal was found by Cheapflights users on 9/7. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:50 pm -
3 stops26h 15m
Sun 10/186:00 am -
2 stops22h 14m
Deal found 9/7![Multiple Airlines logo]()
$1,449
This Air Canada deal was found by Cheapflights users on 9/7. 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.
Thu 10/223:30 pm -
2 stops28h 55m
Thu 10/296:10 am -
2 stops29h 51m
Deal found 9/7![Air Canada logo]()
$1,037
This BusinessClass deal was found by Cheapflights users on 9/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:48 pm -
3 stops35h 17m
Thu 10/296:00 am -
2 stops32h 19m
Deal found 9/8![Multiple Airlines logo]()
$1,369
This Cathay Pacific deal was found by Cheapflights users on 9/7. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:09 am -
3 stops40h 46m
Thu 10/296:05 am -
3 stops44h 56m
Deal found 9/7![Cathay Pacific logo]()
$1,800
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/247:33 pm -
2 stops22h 57m
Sat 10/316:10 am -
2 stops21h 38m
Deal found 9/9![United Airlines logo]()
$1,595
Find 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 September 10, 2026.
Round-trip from | $962 (Justfly.com) |
|---|
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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Portland to Adelaide that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandAdelaide
PDX Portland - ADL Adelaide
PDXADL
Portland
Wed 2/17
7:10 pm-1:55 pm
2 stops24h 15m
Adelaide
Wed 3/31
6:10 am-9:25 am
2 stops20h 45m
$962
PortlandAdelaide
PDX Portland - ADL Adelaide
PDXADL
Portland
Thu 10/22
3:30 pm-1:55 pm
2 stops28h 55m
Adelaide
Thu 10/29
6:10 am-6:31 pm
2 stops29h 51m
$1,037
PortlandAdelaide
PDX Portland - ADL Adelaide
PDXADL
Portland
Sat 11/7
10:00 am-4:20 pm
2 stops35h 50m
Adelaide
Wed 11/11
6:10 am-6:31 pm
2 stops30h 51m
$1,156
PortlandAdelaide
PDX Portland - ADL Adelaide
PDXADL
Portland
Sun 9/27
6:50 pm-1:35 pm
3 stops26h 15m
Adelaide
Sun 10/18
6:00 am-10:44 am
2 stops22h 14m
$1,449
Quickest round-trip
PortlandAdelaide
PDX Portland - ADL Adelaide
PDXADL
Portland
Sat 10/24
7:33 pm-12:00 pm
2 stops22h 57m
Adelaide
Sat 10/31
6:10 am-10:18 am
2 stops21h 38m
$1,595
PortlandAdelaide
PDX Portland - ADL Adelaide
PDXADL
Portland
Wed 2/17
5:00 am-10:30 am
2 stops35h 00m
Adelaide
Wed 3/31
2:25 pm-2:45 pm
3 stops41h 50m
$1,628
PortlandAdelaide
PDX Portland - ADL Adelaide
PDXADL
Portland
Thu 10/22
7:03 am-4:25 pm
3 stops39h 52m
Adelaide
Thu 10/29
7:50 am-9:31 am
3 stops43h 11m
$1,800
Sorted by cheapest first
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.
PDX-ADL
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.
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.
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