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$707+ Cheap flights from Oregon to Adelaide (ADL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ADL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Oregon to Adelaide

Keep the following information in mind while searching for Oregon to Adelaide flight deals. Data was last updated September 15, 2025.

Round-trip from

$1,109
(Trip.com)

One-way from

$707
(United Airlines)
From Oregon to Adelaide
Search Deals
One-way flight from Oregon to Adelaide
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Find flight deals from Oregon to Adelaide

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

This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:50 pmPDX - ADL
2 stops27h 55mMultiple Airlines
Thu 11/61:15 pmADL - PDX
2 stops26h 05mMultiple Airlines
Deal found 9/14$1,109
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:08 amBOI - ADL
2 stops35h 37mMultiple Airlines
Thu 11/61:15 pmADL - BOI
2 stops27h 17mMultiple Airlines
Deal found 9/14$1,155
This Ticket deal was found by Cheapflights users on 9/14. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:09 amPDX - ADL
2 stops31h 36mMultiple Airlines
Wed 11/57:55 pmADL - PDX
2 stops43h 49mMultiple Airlines
Deal found 9/14$1,193
This oojo deal was found by Cheapflights users on 9/15. 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.
Thu 9/255:35 pmPDX - ADL
2 stops30h 10mQantas Airways
Sat 10/184:55 pmADL - PDX
2 stops45h 05mQantas Airways
Deal found 9/15$1,280
This Fareboom deal was found by Cheapflights users on 9/15. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2810:40 amPDX - ADL
2 stops53h 05mMultiple Airlines
Sat 10/42:30 pmADL - PDX
2 stops24h 30mMultiple Airlines
Deal found 9/15$1,359
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/306:00 amPDX - ADL
3 stops38h 25mUnited Airlines
Thu 11/66:10 amADL - PDX
2 stops30h 56mUnited Airlines
Deal found 9/14$1,403
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 12/2811:55 pmPDX - ADL
2 stops39h 05mUnited Airlines
Tue 1/138:30 amADL - PDX
2 stops28h 48mUnited Airlines
Deal found 9/15$1,506
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:07 pmPDX - ADL
3 stops30h 58mMultiple Airlines
Sat 10/186:50 pmADL - PDX
2 stops32h 00mMultiple Airlines
Deal found 9/15$1,647

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon 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 September 15, 2025.
Use the filters below to find and compare flights from Oregon to Adelaide that are best for you.

Fly from

Oregon

Fly to

Adelaide

Route

Depart

Return

Price

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Thu 10/30

2:50 pm-12:15 pm

2 stops27h 55m

Adelaide

Thu 11/6

1:15 pm-8:50 pm

2 stops26h 05m

$1,109

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Thu 10/30

8:08 am-12:15 pm

2 stops35h 37m

Adelaide

Thu 11/6

1:15 pm-11:02 pm

2 stops27h 17m

$1,155

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Wed 10/29

7:09 am-8:15 am

2 stops31h 36m

Adelaide

Wed 11/5

7:55 pm-9:14 pm

2 stops43h 49m

$1,193

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Thu 9/25

5:35 pm-4:15 pm

2 stops30h 10m

Adelaide

Sat 10/18

4:55 pm-8:30 pm

2 stops45h 05m

$1,280

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 9/28

10:40 am-8:15 am

2 stops53h 05m

Adelaide

Sat 10/4

2:30 pm-10:30 pm

2 stops24h 30m

$1,359

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Mon 2/2

7:25 am-10:55 am

2 stops34h 00m

Adelaide

Sat 2/21

5:10 pm-9:11 pm

2 stops45h 31m

$1,391

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Mon 2/2

7:05 pm-9:30 am

1 stop20h 55m

Adelaide

Sat 2/21

2:55 pm-9:16 pm

2 stops23h 51m

$1,393

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Thu 10/30

6:00 am-1:55 pm

3 stops38h 25m

Adelaide

Thu 11/6

6:10 am-6:36 pm

2 stops30h 56m

$1,403

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 1/11

3:45 pm-9:30 am

2 stops47h 15m

Adelaide

Sat 1/31

2:55 pm-12:43 am

1 stop28h 18m

$1,461

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 12/28

11:55 pm-9:30 am

2 stops39h 05m

Adelaide

Tue 1/13

7:15 am-2:46 pm

2 stops26h 01m

$1,506

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 18 results
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Best time to book a flight from Oregon to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Oregon 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.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Adelaide

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

Find hourly flight availability from Oregon 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Adelaide as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Adelaide from Oregon?

    For a flight from Oregon to Adelaide, you will be flying into Adelaide. Adelaide (ADL) is just 4.1 mi from the center of the city.

  • How long is the flight from Oregon to Adelaide?

    For as low as $1,393, Qantas Airways can have you in Adelaide from Oregon in 20h 55m. There are 8522 mi between Oregon and Adelaide. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Oregon to Adelaide (average of $1,214). Flying from Oregon 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 Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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