What is the cheapest airline that flies from Oregon to Adelaide?

Qantas Airways and United Airlines are the most popular carriers operating from Oregon to Adelaide

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.

$660 Cheap Flights from Oregon to Adelaide in 2025/26

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Find the cheapest flights from Oregon to Adelaide

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:50 pm - 3:45 pmPDX-ADL

27h 25m2 stops

7:50 am - 1:41 pmADL-PDX

24h 21m2 stops

$1,170Qantas Airways

Find Deal

Sun, Jan 11 - Sat, Jan 31

7:00 pm - 1:55 pmPDX-ADL

25h 25m2 stops

6:10 am - 6:30 pmADL-PDX

29h 50m2 stops

$1,182Air Canada

Find Deal

Sun, Mar 15 - Thu, Mar 19

7:00 pm - 1:55 pmPDX-ADL

25h 25m2 stops

6:10 am - 9:15 amADL-PDX

20h 35m2 stops

$1,183Air Canada

Find Deal

Sun, Mar 15 - Thu, Mar 19

7:05 pm - 9:30 amBOI-ADL

20h 55m1 stop

2:55 pm - 9:11 pmADL-BOI

23h 46m1 stop

$1,211United Airlines

Find Deal

Mon, Feb 2 - Sat, Feb 21

9:48 am - 9:30 amBOI-ADL

30h 12m2 stops

2:55 pm - 11:23 pmADL-BOI

25h 58m2 stops

$1,215United Airlines

Find Deal

Mon, Feb 2 - Sat, Feb 21

10:48 am - 9:30 amBOI-ADL

29h 12m1 stop

2:55 pm - 9:32 pmADL-BOI

24h 07m2 stops

$1,216United Airlines

Find Deal

Mon, Feb 2 - Sat, Feb 21

10:15 am - 6:15 pmBOI-ADL

38h 30m2 stops

11:55 am - 11:38 pmADL-BOI

29h 13m2 stops

$2,038Air New Zealand

Find Deal

Wed, Feb 11 - Sun, Feb 15

8:10 am - 3:45 pmBOI-ADL

38h 05m3 stops

7:50 am - 12:04 pmADL-BOI

45h 44m3 stops

$2,063Multiple Airlines

Find Deal

Mon, Feb 2 - Sat, Feb 21

8:10 am - 3:45 pmBOI-ADL

38h 05m3 stops

12:00 pm - 12:04 pmADL-BOI

41h 34m3 stops

$2,064Multiple Airlines

Find Deal

Mon, Feb 2 - Sat, Feb 21

10:15 am - 5:20 pmBOI-ADL

37h 35m2 stops

6:35 pm - 8:55 pmADL-BOI

43h 50m3 stops

$2,280Singapore Airlines

Find Deal

Wed, Feb 11 - Sun, Feb 15

Air Canada flights from Oregon to Adelaide

Our best Air Canada deals on Oregon to Adelaide flight tickets

Air Canada

Mar 15

PDX7:00 pmPortland

25h 25m

2 stops

ADL1:55 pmAdelaide

Mar 19

ADL6:10 amAdelaide

29h 50m

2 stops

PDX6:30 pmPortland

$1,182

Find similar

Air Canada

Mar 15

PDX7:00 pmPortland

25h 25m

2 stops

ADL1:55 pmAdelaide

Mar 19

ADL6:10 amAdelaide

20h 35m

2 stops

PDX9:15 amPortland

$1,183

Find similar

Air Canada

Jan 11

PDX7:00 pmPortland

33h 00m

2 stops

ADL10:30 pmAdelaide

Jan 31

ADL6:10 amAdelaide

27h 00m

2 stops

PDX2:40 pmPortland

$1,520

Find similar

Qantas Airways flights from Oregon to Adelaide

Our best Qantas Airways deals on Oregon to Adelaide flight tickets

Qantas Airways

Jan 11

PDX5:50 pmPortland

27h 25m

2 stops

ADL3:45 pmAdelaide

Jan 31

ADL7:50 amAdelaide

24h 21m

2 stops

PDX1:41 pmPortland

$1,170

Find similar

Qantas Airways

Dec 28

PDX6:20 amPortland

40h 55m

2 stops

ADL5:45 pmAdelaide

Jan 13

ADL6:05 amAdelaide

29h 14m

2 stops

PDX4:49 pmPortland

$1,289

Find similar

Qantas Airways

Jan 11

PDX2:30 pmPortland

26h 50m

2 stops

ADL11:50 amAdelaide

Jan 31

ADL6:35 amAdelaide

25h 36m

2 stops

PDX1:41 pmPortland

$1,479

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 1/11

5:50 pm-3:45 pm

2 stops27h 25m

Adelaide

Sat 1/31

7:50 am-1:41 pm

2 stops24h 21m

$1,170

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 3/15

7:00 pm-1:55 pm

2 stops25h 25m

Adelaide

Thu 3/19

6:10 am-6:30 pm

2 stops29h 50m

$1,182

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 3/15

7:00 pm-1:55 pm

2 stops25h 25m

Adelaide

Thu 3/19

6:10 am-9:15 am

2 stops20h 35m

$1,183

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-9:11 pm

1 stop23h 46m

$1,211

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Mon 2/2

9:48 am-9:30 am

2 stops30h 12m

Adelaide

Sat 2/21

2:55 pm-11:23 pm

2 stops25h 58m

$1,215

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Mon 2/2

10:48 am-9:30 am

1 stop29h 12m

Adelaide

Sat 2/21

2:55 pm-9:32 pm

2 stops24h 07m

$1,216

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Wed 2/11

10:15 am-6:15 pm

2 stops38h 30m

Adelaide

Sun 2/15

11:55 am-11:38 pm

2 stops29h 13m

$2,038

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Mon 2/2

8:10 am-3:45 pm

3 stops38h 05m

Adelaide

Sat 2/21

7:50 am-12:04 pm

3 stops45h 44m

$2,063

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Mon 2/2

8:10 am-3:45 pm

3 stops38h 05m

Adelaide

Sat 2/21

12:00 pm-12:04 pm

3 stops41h 34m

$2,064

BoiseAdelaide

BOI - ADL

BOIADL

Boise Air Term. Gowen Fld

Wed 2/11

10:15 am-5:20 pm

2 stops37h 35m

Adelaide

Sun 2/15

6:35 pm-8:55 pm

3 stops43h 50m

$2,280

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oregon to Adelaide

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Adelaide?

The cheapest day to depart on your flight to Adelaide is on a Monday when prices can be found for as low as $1,455. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Adelaide is Sunday, with ticket prices averaging around $1,547.

What is the cheapest time of day to depart on your flight to Adelaide?

According to our data, the cheapest time of day to fly to Adelaide is in the afternoon. momondo users have found flights departing from Oregon to Adelaide in the afternoon for as low as $1,279. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Adelaide are more costly in the evening, with an average ticket price of $1,590. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Oregon to Adelaide flight deals and tips

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

Direct flights	None

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.

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.