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Cheap flights from Oregon to Adelaide from $1,175

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Adelaide departing on 2/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:59 pm - 9:30 am
PDX
-
ADL
39h 01m
2 stops
United Airlines Logo
2:15 pm - 11:51 am
ADL
-
PDX
39h 06m
2 stops
$1,175United Airlines
Fri, Feb 13 - Mon, Mar 9
United Airlines Logo
11:59 pm - 9:30 am
PDX
-
ADL
39h 01m
2 stops
United Airlines Logo
2:55 pm - 10:51 am
ADL
-
PDX
38h 26m
2 stops
$1,244United Airlines
Fri, Feb 13 - Sat, Mar 7
United Airlines Logo
6:57 pm - 9:30 am
PDX
-
ADL
44h 03m
2 stops
United Airlines Logo
2:15 pm - 9:10 pm
ADL
-
PDX
24h 25m
2 stops
$1,299United Airlines
Fri, Feb 13 - Wed, Mar 11
Multiple Airlines Logo
5:30 pm - 8:15 am
PDX
-
ADL
44h 15m
2 stops
Multiple Airlines Logo
6:25 am - 8:50 pm
ADL
-
PDX
31h 55m
2 stops
$1,314Multiple Airlines
Fri, Feb 13 - Thu, Mar 12
United Airlines Logo
1:39 pm - 1:00 pm
PDX
-
ADL
29h 51m
2 stops
United Airlines Logo
2:15 pm - 6:47 pm
ADL
-
PDX
22h 02m
1 stop
$1,382United Airlines
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
1:39 pm - 1:00 pm
PDX
-
ADL
29h 51m
2 stops
United Airlines Logo
2:15 pm - 11:51 am
ADL
-
PDX
39h 06m
2 stops
$1,386United Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
5:30 pm - 6:15 pm
PDX
-
ADL
54h 15m
2 stops
Multiple Airlines Logo
5:10 pm - 8:50 pm
ADL
-
PDX
21h 10m
2 stops
$1,435Multiple Airlines
Fri, Feb 13 - Fri, Mar 13
Multiple Airlines Logo
7:05 am - 3:45 pm
PDX
-
ADL
39h 10m
3 stops
Multiple Airlines Logo
12:00 pm - 9:35 am
ADL
-
PDX
39h 05m
2 stops
$2,199Multiple Airlines
Wed, Mar 18 - Wed, Mar 25

Qantas Airways flights from Oregon to Adelaide

Our best Qantas Airways deals on Oregon to Adelaide flight tickets
Qantas Airways
Feb 10
PDX2:57 pmPortland
24h 23m
2 stops
ADL9:50 amAdelaide
Mar 10
ADL7:50 amAdelaide
23h 05m
2 stops
PDX1:25 pmPortland
$1,117
Qantas Airways
Feb 10
PDX2:57 pmPortland
24h 23m
2 stops
ADL9:50 amAdelaide
Mar 10
ADL7:50 amAdelaide
23h 05m
2 stops
PDX1:25 pmPortland
$1,119
Qantas Airways
Feb 10
PDX3:22 pmPortland
29h 53m
2 stops
ADL3:45 pmAdelaide
Mar 11
ADL7:50 amAdelaide
23h 05m
2 stops
PDX1:25 pmPortland
$1,181

United Airlines flights from Oregon to Adelaide

Our best United Airlines deals on Oregon to Adelaide flight tickets
United Airlines
Feb 9
PDX5:00 amPortland
34h 00m
2 stops
ADL9:30 amAdelaide
Mar 11
ADL2:15 pmAdelaide
24h 25m
2 stops
PDX9:10 pmPortland
$1,102
United Airlines
Feb 9
PDX3:50 pmPortland
23h 10m
1 stop
ADL9:30 amAdelaide
Mar 11
ADL2:15 pmAdelaide
26h 19m
1 stop
PDX11:04 pmPortland
$1,120
United Airlines
Feb 12
PDX7:30 amPortland
31h 30m
1 stop
ADL9:30 amAdelaide
Mar 11
ADL2:15 pmAdelaide
26h 19m
1 stop
PDX11:04 pmPortland
$1,152

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 February 3, 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

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 2/13

11:59 pm-9:30 am

2 stops39h 01m

Adelaide

Mon 3/9

2:15 pm-11:51 am

2 stops39h 06m

$1,175

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 2/13

11:59 pm-9:30 am

2 stops39h 01m

Adelaide

Sat 3/7

2:55 pm-10:51 am

2 stops38h 26m

$1,244

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 2/13

6:57 pm-9:30 am

2 stops44h 03m

Adelaide

Wed 3/11

2:15 pm-9:10 pm

2 stops24h 25m

$1,299

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 2/13

5:30 pm-8:15 am

2 stops44h 15m

Adelaide

Thu 3/12

6:25 am-8:50 pm

2 stops31h 55m

$1,314

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Wed 3/18

1:39 pm-1:00 pm

2 stops29h 51m

Adelaide

Wed 3/25

2:15 pm-6:47 pm

1 stop22h 02m

$1,382

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Wed 3/18

1:39 pm-1:00 pm

2 stops29h 51m

Adelaide

Wed 3/25

2:15 pm-11:51 am

2 stops39h 06m

$1,386

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 2/13

5:30 pm-6:15 pm

2 stops54h 15m

Adelaide

Fri 3/13

5:10 pm-8:50 pm

2 stops21h 10m

$1,435

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Wed 3/18

7:05 am-3:45 pm

3 stops39h 10m

Adelaide

Wed 3/25

12:00 pm-9:35 am

2 stops39h 05m

$2,199

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 2/22

7:05 am-6:15 am

3 stops52h 40m

$3,476

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 2/22

9:30 pm-10:10 am

2 stops42h 10m

$4,351

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

24h 23m

Direct flights

None
The fastest flight from Oregon to Adelaide takes 24h 23m
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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