How long is the flight from Oregon to Australia?

The flight from Oregon to Australia depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Portland (a popular airport in Oregon) to Sydney (the most popular airport in Australia), then the flight time is 18h 19m on average. If you fly from Redmond (another popular airport in Oregon) to Sydney, then the average flight time is 21h 16m.

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

American Airlines, United Airlines, and Qantas Airways are the most popular carriers operating from Oregon to Australia

When did momondo last update prices for flights from Oregon to Australia?

Prices for flights from Oregon to Australia refresh daily.

How many operators does momondo search for flights from Oregon to Australia?

As of November 2025, there is 1 operator available to choose from for flights from Oregon to Australia.

How old do you have to be to fly from Oregon to Australia?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Australia.

What documentation or ID do you need to fly to Australia?

The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$793 Cheap Flights from Oregon to Australia in 2025/26

1 adult

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Find the cheapest flights from Oregon to Australia

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:10 - 07:20PDX-BNE

21h 10m1 stop

09:40 - 19:29BNE-PDX

26h 49m1 stop

$1,334Delta

Find Deal

Mon, 16 Mar - Fri, 20 Mar

15:15 - 08:45PDX-BNE

23h 30m1 stop

09:45 - 09:15BNE-PDX

16h 30m1 stop

$1,335Air Canada

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Thu, 5 Mar - Thu, 19 Mar

19:00 - 13:25PDX-BNE

24h 25m2 stops

09:45 - 14:40BNE-PDX

21h 55m1 stop

$1,362Multiple Airlines

Find Deal

Thu, 5 Mar - Thu, 19 Mar

19:00 - 13:25PDX-BNE

24h 25m2 stops

09:45 - 14:40BNE-PDX

21h 55m1 stop

$1,363Multiple Airlines

Find Deal

Thu, 5 Mar - Thu, 19 Mar

13:10 - 09:05EUG-SYD

24h 55m2 stops

11:20 - 21:05SYD-EUG

28h 45m2 stops

$1,389United Airlines

Find Deal

Tue, 10 Feb - Sat, 28 Feb

06:00 - 06:20EUG-SYD

29h 20m1 stop

12:10 - 12:16SYD-EUG

19h 06m1 stop

$1,392United Airlines

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Tue, 10 Feb - Sat, 28 Feb

17:30 - 09:30PDX-MEL

21h 00m1 stop

12:00 - 13:21MEL-PDX

20h 21m1 stop

$1,435Qantas Airways

Find Deal

Tue, 24 Feb - Sat, 7 Mar

14:40 - 09:30PDX-MEL

23h 50m1 stop

12:00 - 13:21MEL-PDX

20h 21m1 stop

$1,437Qantas Airways

Find Deal

Tue, 24 Feb - Sat, 7 Mar

06:00 - 09:30PDX-MEL

32h 30m1 stop

12:00 - 17:12MEL-PDX

24h 12m1 stop

$1,448American Airlines

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Thu, 20 Nov - Tue, 2 Dec

17:42 - 09:30PDX-MEL

20h 48m1 stop

16:05 - 19:10MEL-PDX

22h 05m1 stop

$1,451American Airlines

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Fri, 21 Nov - Fri, 5 Dec

Air Canada flights from Oregon to Australia

Our best Air Canada deals on Oregon to Australia flight tickets

Air Canada

5 Mar

PDX15:15Portland

23h 30m

1 stop

BNE08:45Brisbane

19 Mar

BNE09:45Brisbane

16h 30m

1 stop

PDX09:15Portland

$1,335

Find similar

Air Canada

18 Mar

PDX19:00Portland

23h 30m

2 stops

BNE11:30Brisbane

3 Apr

BNE10:00Brisbane

21h 40m

1 stop

PDX14:40Portland

$1,372

Find similar

Air Canada

14 Feb

PDX19:00Portland

19h 45m

1 stop

BNE08:45Brisbane

21 Feb

BNE10:45Brisbane

21h 55m

1 stop

PDX14:40Portland

$1,451

Find similar

Air New Zealand flights from Oregon to Australia

Our best Air New Zealand deals on Oregon to Australia flight tickets

Air New Zealand

1 Feb

PDX19:00Portland

44h 45m

2 stops

OOL09:45Coolangatta Gold Coast

15 Feb

OOL10:55Coolangatta Gold Coast

30h 04m

2 stops

PDX22:59Portland

$2,050

Find similar

Air New Zealand

7 Nov

BOI10:40Boise Air Term. Gowen Fld

28h 05m

2 stops

SYD08:45Sydney Kingsford Smith

9 Nov

SYD11:20Sydney Kingsford Smith

20h 10m

1 stop

BOI13:30Boise Air Term. Gowen Fld

$2,589

Find similar

Air New Zealand

20 Nov

PDX19:00Portland

44h 55m

2 stops

MEL10:55Melbourne

2 Dec

MEL12:10Melbourne

25h 20m

2 stops

PDX18:30Portland

$2,715

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 16/3

17:10-07:20

1 stop21h 10m

Brisbane

Fri 20/3

09:40-19:29

1 stop26h 49m

$1,334

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 5/3

15:15-08:45

1 stop23h 30m

Brisbane

Thu 19/3

09:45-09:15

1 stop16h 30m

$1,335

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 5/3

19:00-13:25

2 stops24h 25m

Brisbane

Thu 19/3

09:45-14:40

1 stop21h 55m

$1,362

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 5/3

19:00-13:25

2 stops24h 25m

Brisbane

Thu 19/3

09:45-14:40

1 stop21h 55m

$1,363

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Tue 10/2

13:10-09:05

2 stops24h 55m

Sydney Kingsford Smith

Sat 28/2

11:20-21:05

2 stops28h 45m

$1,389

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Tue 10/2

06:00-06:20

1 stop29h 20m

Sydney Kingsford Smith

Sat 28/2

12:10-12:16

1 stop19h 06m

$1,392

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

17:30-09:30

1 stop21h 00m

Melbourne

Sat 7/3

12:00-13:21

1 stop20h 21m

$1,435

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 24/2

14:40-09:30

1 stop23h 50m

Melbourne

Sat 7/3

12:00-13:21

1 stop20h 21m

$1,437

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 20/11

06:00-09:30

1 stop32h 30m

Melbourne

Tue 2/12

12:00-17:12

1 stop24h 12m

$1,448

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 21/11

17:42-09:30

1 stop20h 48m

Melbourne

Fri 5/12

16:05-19:10

1 stop22h 05m

$1,451

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oregon to Australia

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

Other information

What is the cheapest month to fly to Australia?

In general, September is the cheapest month to fly from Oregon to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,529. If you don’t want to visit Australia in September, then you should wait until August to fly from Oregon, when ticket prices are also cheap, with an average price of $1,548.

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

On average, the least expensive day to fly to Australia from Oregon is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,246. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Oregon to Australia on a Sunday will generally be more expensive and average around $2,024. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Australia is in the morning. momondo users have found flights departing from Oregon to Australia in the morning for as low as $1,399. 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 Australia are more costly in the afternoon, with an average ticket price of $1,814. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,718 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Oregon for as low as $1,566 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 24% on your flight if you consider stops on a Oregon to Australia flight.

Cheap Oregon to Australia flight deals and tips

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

Direct flights	None

There are no direct flights from Oregon to Australia. There are no popular flight routes from Oregon to Australia.

Search flight deals

When did momondo last update prices for flights from Oregon to Australia?
Prices for flights from Oregon to Australia refresh daily.
How many operators does momondo search for flights from Oregon to Australia?
As of November 2025, there is 1 operator available to choose from for flights from Oregon to Australia.
How old do you have to be to fly from Oregon to Australia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Oregon to Australia

Compare and see reviews for airlines that fly from Oregon to Australia with momondo

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,280	Free cancellation	Rating 7.4 9,007 reviews		Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Oregon to Australia. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Australia from Oregon.

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

Of course. momondo tracks the price of Oregon to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.