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Cheap flights from Oregon to Adelaide from $590

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Adelaide departing on 4/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Oregon to Adelaide

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:30 pm - 11:10 am
PDX
-
ADL
27h 10m
2 stops
Multiple Airlines Logo
5:15 pm - 9:30 am
ADL
-
PDX
32h 45m
2 stops
$1,198Multiple Airlines
Fri, May 8 - Fri, May 15
Air Canada Logo
10:10 am - 11:50 am
PDX
-
ADL
33h 10m
2 stops
Air Canada Logo
4:30 pm - 9:30 am
ADL
-
PDX
33h 30m
2 stops
$1,234Air Canada
Sat, May 23 - Wed, May 27
Air Canada Logo
3:30 pm - 11:50 am
PDX
-
ADL
27h 50m
2 stops
Air Canada Logo
4:30 pm - 2:45 pm
ADL
-
PDX
38h 45m
2 stops
$1,235Air Canada
Sat, May 23 - Wed, May 27
Air Canada Logo
10:10 am - 11:10 am
PDX
-
ADL
32h 30m
2 stops
Air Canada Logo
4:30 pm - 2:45 pm
ADL
-
PDX
38h 45m
2 stops
$1,236Air Canada
Sat, May 23 - Wed, May 27
Multiple Airlines Logo
7:45 pm - 1:30 pm
PDX
-
ADL
25h 15m
2 stops
Multiple Airlines Logo
5:15 pm - 2:51 pm
ADL
-
PDX
38h 06m
2 stops
$1,283Multiple Airlines
Wed, Jul 1 - Sat, Aug 1
Multiple Airlines Logo
7:46 am - 10:35 pm
PDX
-
ADL
22h 19m
2 stops
Multiple Airlines Logo
6:25 am - 8:50 pm
ADL
-
PDX
30h 55m
2 stops
$1,288Multiple Airlines
Wed, Jul 29 - Sat, Aug 29
Multiple Airlines Logo
5:32 pm - 8:10 am
PDX
-
ADL
46h 08m
2 stops
Multiple Airlines Logo
7:10 pm - 6:00 am
ADL
-
PDX
51h 20m
2 stops
$1,314Multiple Airlines
Thu, Jul 30 - Mon, Aug 31
Multiple Airlines Logo
7:45 pm - 11:10 am
PDX
-
ADL
22h 55m
2 stops
Multiple Airlines Logo
9:40 pm - 9:25 am
ADL
-
PDX
30h 15m
2 stops
$1,361Multiple Airlines
Tue, Sep 1 - Mon, Nov 30
Multiple Airlines Logo
7:46 am - 10:35 pm
PDX
-
ADL
22h 19m
2 stops
Multiple Airlines Logo
6:25 am - 6:11 am
ADL
-
PDX
40h 16m
2 stops
$1,362Multiple Airlines
Wed, Jul 29 - Tue, Aug 4
Multiple Airlines Logo
7:46 am - 10:35 pm
PDX
-
ADL
22h 19m
2 stops
Multiple Airlines Logo
7:35 pm - 6:00 am
ADL
-
PDX
50h 55m
2 stops
$1,364Multiple Airlines
Wed, Aug 5 - Wed, Sep 9

Air Canada flights from Oregon to Adelaide

Our best Air Canada deals on Oregon to Adelaide flight tickets
Air Canada
May 23
PDX10:10 amPortland
33h 10m
2 stops
ADL11:50 amAdelaide
May 27
ADL4:30 pmAdelaide
33h 30m
2 stops
PDX9:30 amPortland
$1,234
Air Canada
May 23
PDX3:30 pmPortland
27h 50m
2 stops
ADL11:50 amAdelaide
May 27
ADL4:30 pmAdelaide
38h 45m
2 stops
PDX2:45 pmPortland
$1,235
Air Canada
May 23
PDX10:10 amPortland
32h 30m
2 stops
ADL11:10 amAdelaide
May 27
ADL4:30 pmAdelaide
38h 45m
2 stops
PDX2:45 pmPortland
$1,236

Air New Zealand flights from Oregon to Adelaide

Our best Air New Zealand deals on Oregon to Adelaide flight tickets
Air New Zealand
Sep 1
PDX3:30 pmPortland
27h 55m
3 stops
ADL11:55 amAdelaide
Nov 30
ADL6:25 amAdelaide
32h 38m
2 stops
PDX8:33 pmPortland
$1,568
Air New Zealand
Aug 5
PDX3:30 pmPortland
27h 55m
3 stops
ADL11:55 amAdelaide
Sep 9
ADL12:05 pmAdelaide
23h 31m
2 stops
PDX7:06 pmPortland
$1,616

momondo 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, momondo users made 832,500 searches. Data last updated March 28, 2026.
Use the filters below to find and compare flights from Oregon to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 5/8

3:30 pm-11:10 am

2 stops27h 10m

Adelaide

Fri 5/15

5:15 pm-9:30 am

2 stops32h 45m

$1,198

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sat 5/23

10:10 am-11:50 am

2 stops33h 10m

Adelaide

Wed 5/27

4:30 pm-9:30 am

2 stops33h 30m

$1,234

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sat 5/23

3:30 pm-11:50 am

2 stops27h 50m

Adelaide

Wed 5/27

4:30 pm-2:45 pm

2 stops38h 45m

$1,235

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sat 5/23

10:10 am-11:10 am

2 stops32h 30m

Adelaide

Wed 5/27

4:30 pm-2:45 pm

2 stops38h 45m

$1,236

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Wed 7/1

7:45 pm-1:30 pm

2 stops25h 15m

Adelaide

Sat 8/1

5:15 pm-2:51 pm

2 stops38h 06m

$1,283

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Wed 7/29

7:46 am-10:35 pm

2 stops22h 19m

Adelaide

Sat 8/29

6:25 am-8:50 pm

2 stops30h 55m

$1,288

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Thu 7/30

5:32 pm-8:10 am

2 stops46h 08m

Adelaide

Mon 8/31

7:10 pm-6:00 am

2 stops51h 20m

$1,314
Quickest round-trip

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Tue 9/1

7:45 pm-11:10 am

2 stops22h 55m

Adelaide

Mon 11/30

9:40 pm-9:25 am

2 stops30h 15m

$1,361

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Wed 7/29

7:46 am-10:35 pm

2 stops22h 19m

Adelaide

Tue 8/4

6:25 am-6:11 am

2 stops40h 16m

$1,362

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Wed 8/5

7:46 am-10:35 pm

2 stops22h 19m

Adelaide

Wed 9/9

7:35 pm-6:00 am

2 stops50h 55m

$1,364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
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Cheap Oregon to Adelaide flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Adelaide

Fastest flight time

22h 19m

Direct flights

None
The fastest flight from Oregon to Adelaide takes 22h 19m
There are no direct flights from Oregon to Adelaide. There are no popular flight routes from Oregon to Adelaide.
Search flight deals

  • When did momondo last update prices for flights from Oregon to Adelaide Airport?

    Prices for flights from Oregon to Adelaide Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Oregon to Adelaide Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oregon to Adelaide Airport.

  • What documentation or ID do you need to fly to Adelaide Airport?

    The travel and health documents required for your trip to Adelaide Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Adelaide Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Oregon to Adelaide?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Oregon from Adelaide. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Oregon to Adelaide with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Adelaide?

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

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Adelaide?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Oregon to Adelaide for you.

Can I find flights from Oregon to Adelaide with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Oregon to Adelaide flights to just show those with flexible booking policies.

How can momondo help me find flights from Oregon to Adelaide?

Once all potential Oregon to Adelaide flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Oregon to Adelaide right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Adelaide, momondo offers a useful price alert feature which will track prices for flights to Adelaide from Oregon and alert you when they change.

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