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 17h 50m on average. If you fly from Eugene (another popular airport in Oregon) to Sydney, then the average flight time is 22h 53m.

Which airlines fly to Australia?

United Airlines, Qantas Airways and Air Canada are the top three most popular airlines that fly to Australia from Oregon according to our data. United Airlines is the first choice among our users, with 69% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 3 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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

Qantas Airways, Delta, and United Airlines 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 September 2026, there are 3 operators 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.

$806 Cheap Flights from Oregon to Australia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oregon to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:05 - 07:45PDX Portland-BNE Brisbane

28h 40m1 stop Vancouver Intl

10:45 - 09:26BNE Brisbane-PDX Portland

16h 41m1 stop Vancouver Intl

$1,388Air Canada

Mon, 26 Oct - Sun, 8 Nov

19:10 - 08:45PDX Portland-BNE Brisbane

19h 35m1 stop Vancouver Intl

10:45 - 09:26BNE Brisbane-PDX Portland

16h 41m1 stop Vancouver Intl

$1,388Air Canada

Mon, 8 Feb - Mon, 22 Feb

15:30 - 07:05PDX Portland-BNE Brisbane

22h 35m1 stop Vancouver Intl

09:45 - 18:31BNE Brisbane-PDX Portland

25h 46m1 stop Vancouver Intl

$1,388Air Canada

Tue, 20 Oct - Tue, 27 Oct

19:10 - 14:05PDX Portland-ADL Adelaide

24h 25m2 stops Vancouver Intl Sydney Kingsford Smith

06:00 - 18:31ADL Adelaide-PDX Portland

31h 01m2 stops Sydney Kingsford Smith Vancouver Intl

$1,454Multiple Airlines

Sun, 8 Nov - Sun, 15 Nov

19:15 - 12:25PDX Portland-MEL Melbourne

23h 10m2 stops Vancouver Intl Sydney Kingsford Smith

06:05 - 09:26MEL Melbourne-PDX Portland

22h 21m2 stops Brisbane Vancouver Intl

$1,499Multiple Airlines

Mon, 26 Oct - Thu, 19 Nov

19:45 - 12:10PDX Portland-MEL Melbourne

22h 25m2 stops Vancouver Intl Sydney Kingsford Smith

06:05 - 09:26MEL Melbourne-PDX Portland

21h 21m2 stops Brisbane Vancouver Intl

$1,499Multiple Airlines

Sun, 18 Oct - Sun, 25 Oct

15:50 - 07:55EUG Eugene-SYD Sydney Kingsford Smith

22h 05m1 stop San Francisco

11:50 - 18:12SYD Sydney Kingsford Smith-EUG Eugene

24h 22m1 stop San Francisco

$1,553United Airlines

Tue, 20 Oct - Tue, 27 Oct

13:49 - 09:20EUG Eugene-SYD Sydney Kingsford Smith

24h 31m1 stop San Francisco

11:50 - 13:09SYD Sydney Kingsford Smith-EUG Eugene

20h 19m1 stop San Francisco

$1,553United Airlines

Tue, 3 Nov - Tue, 10 Nov

17:18 - 06:25PDX Portland-SYD Sydney Kingsford Smith

19h 07m1 stop Los Angeles

11:10 - 11:50SYD Sydney Kingsford Smith-PDX Portland

18h 40m1 stop Los Angeles

$1,600Qantas Airways

Sun, 25 Oct - Sun, 1 Nov

14:53 - 06:25PDX Portland-SYD Sydney Kingsford Smith

21h 32m1 stop San Francisco

11:05 - 13:35SYD Sydney Kingsford Smith-PDX Portland

20h 30m2 stops Brisbane Los Angeles

$1,691Qantas Airways

Tue, 20 Oct - Tue, 27 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

17:53 - 06:25PDX Portland-SYD Sydney Kingsford Smith

19h 32m1 stop San Francisco

13:40 - 22:06SYD Sydney Kingsford Smith-PDX Portland

25h 26m2 stops Brisbane Los Angeles

$1,817Qantas Airways

Tue, 29 Sep - Thu, 1 Oct

08:00 - 18:50PDX Portland-SYD Sydney Kingsford Smith

17h 50m1 stop Honolulu

20:45 - 06:19SYD Sydney Kingsford Smith-PDX Portland

26h 34m1 stop Honolulu

$1,871Alaska Airlines

Wed, 30 Sep - Sat, 3 Oct

08:00 - 18:50PDX Portland-SYD Sydney Kingsford Smith

17h 50m1 stop Honolulu

18:50 - 23:16SYD Sydney Kingsford Smith-PDX Portland

22h 26m1 stop Los Angeles

$2,120Multiple Airlines

Thu, 1 Oct - Thu, 8 Oct

09:20 - 07:30PDX Portland-SYD Sydney Kingsford Smith

29h 10m2 stops Seattle/Tacoma Intl Los Angeles

20:45 - 06:19SYD Sydney Kingsford Smith-PDX Portland

26h 34m1 stop Honolulu

$2,121Multiple Airlines

Wed, 30 Sep - Sat, 3 Oct

06:30 - 07:05PDX Portland-SYD Sydney Kingsford Smith

31h 35m1 stop Los Angeles

17:10 - 23:16SYD Sydney Kingsford Smith-PDX Portland

24h 06m2 stops Brisbane Los Angeles

$2,158Qantas Airways

Thu, 1 Oct - Thu, 8 Oct

19:29 - 06:55PDX Portland-SYD Sydney Kingsford Smith

18h 26m1 stop San Francisco

11:20 - 18:31SYD Sydney Kingsford Smith-PDX Portland

25h 11m1 stop San Francisco

$2,160United Airlines

Thu, 1 Oct - Thu, 8 Oct

06:30 - 07:05PDX Portland-SYD Sydney Kingsford Smith

31h 35m1 stop Los Angeles

17:10 - 23:16SYD Sydney Kingsford Smith-PDX Portland

24h 06m2 stops Brisbane Los Angeles

$2,161Qantas Airways

Thu, 1 Oct - Thu, 8 Oct

06:30 - 07:30PDX Portland-SYD Sydney Kingsford Smith

32h 00m1 stop Los Angeles

13:40 - 23:16SYD Sydney Kingsford Smith-PDX Portland

27h 36m2 stops Brisbane Los Angeles

$2,163Qantas Airways

Thu, 1 Oct - Thu, 8 Oct

12:45 - 07:00PDX Portland-SYD Sydney Kingsford Smith

25h 15m2 stops Denver Intl Los Angeles

10:30 - 17:46SYD Sydney Kingsford Smith-PDX Portland

25h 16m2 stops Los Angeles Denver Intl

$2,167United Airlines

Thu, 1 Oct - Thu, 8 Oct

08:40 - 07:00PDX Portland-SYD Sydney Kingsford Smith

29h 20m2 stops Denver Intl Los Angeles

10:30 - 18:31SYD Sydney Kingsford Smith-PDX Portland

26h 01m3 stops Los Angeles Denver Intl San Francisco

$2,167United Airlines

Thu, 1 Oct - Thu, 8 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Oregon to Australia

Our best United Airlines deals on Oregon to Australia flight tickets

United Airlines

3 Nov

EUG05:00Eugene

31h 00m

2 stops

SYD07:00Sydney Kingsford Smith

10 Nov

SYD11:50Sydney Kingsford Smith

20h 19m

1 stop

EUG13:09Eugene

$1,553

United Airlines

20 Oct

EUG12:52Eugene

25h 08m

2 stops

SYD08:00Sydney Kingsford Smith

27 Oct

SYD10:15Sydney Kingsford Smith

43h 42m

2 stops

EUG11:57Eugene

$1,560

United Airlines

30 Nov

EUG05:00Eugene

33h 05m

2 stops

SYD09:05Sydney Kingsford Smith

7 Dec

SYD09:15Sydney Kingsford Smith

47h 03m

2 stops

EUG13:18Eugene

$1,580

Qantas Airways flights from Oregon to Australia

Our best Qantas Airways deals on Oregon to Australia flight tickets

Qantas Airways

25 Oct

PDX17:18Portland

19h 07m

1 stop

SYD06:25Sydney Kingsford Smith

1 Nov

SYD11:10Sydney Kingsford Smith

18h 40m

1 stop

PDX11:50Portland

$1,600

Qantas Airways

20 Oct

PDX14:53Portland

21h 32m

1 stop

SYD06:25Sydney Kingsford Smith

27 Oct

SYD11:05Sydney Kingsford Smith

20h 30m

2 stops

PDX13:35Portland

$1,691

Qantas Airways

29 Sept

PDX17:53Portland

19h 32m

1 stop

SYD06:25Sydney Kingsford Smith

1 Oct

SYD13:40Sydney Kingsford Smith

25h 26m

2 stops

PDX22:06Portland

$1,817

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 26/10

10:05-07:45

1 stop28h 40m

Brisbane

Sun 8/11

10:45-09:26

1 stop16h 41m

$1,388

Fastest return journey

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 8/2

19:10-08:45

1 stop19h 35m

Brisbane

Mon 22/2

10:45-09:26

1 stop16h 41m

$1,388

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Tue 20/10

15:30-07:05

1 stop22h 35m

Brisbane

Tue 27/10

09:45-18:31

1 stop25h 46m

$1,388

PortlandAdelaide

PDX Portland - ADL Adelaide

PDXADL

Portland

Sun 8/11

19:10-14:05

2 stops24h 25m

Adelaide

Sun 15/11

06:00-18:31

2 stops31h 01m

$1,454

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Mon 26/10

19:15-12:25

2 stops23h 10m

Melbourne

Thu 19/11

06:05-09:26

2 stops22h 21m

$1,499

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 18/10

19:45-12:10

2 stops22h 25m

Melbourne

Sun 25/10

06:05-09:26

2 stops21h 21m

$1,499

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

EUGSYD

Eugene

Tue 20/10

15:50-07:55

1 stop22h 05m

Sydney Kingsford Smith

Tue 27/10

11:50-18:12

1 stop24h 22m

$1,553

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

EUGSYD

Eugene

Tue 3/11

13:49-09:20

1 stop24h 31m

Sydney Kingsford Smith

Tue 10/11

11:50-13:09

1 stop20h 19m

$1,553

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Sun 25/10

17:18-06:25

1 stop19h 07m

Sydney Kingsford Smith

Sun 1/11

11:10-11:50

1 stop18h 40m

$1,600

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Tue 20/10

14:53-06:25

1 stop21h 32m

Sydney Kingsford Smith

Tue 27/10

11:05-13:35

2 stops20h 30m

$1,691

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, June 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 $1,509. If you don’t want to visit Australia in June, then you should wait until April to fly from Oregon, when ticket prices are also cheap, with an average price of $1,595.

How far in advance should I book a flight from Oregon 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 $1,775 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 $1,464 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 38% 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

Best price found	$806
Fastest flight time	17h 50m
Direct flights	None

The best one-way flight to Australia from Oregon in the past 72 hours is $806. The best return flight deal from Oregon to Australia found on momondo in the last 72 hours is $1,388.

The fastest flight from Oregon to Australia takes 17h 50m

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

Search flight deals

Frequently asked questions about flying 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 September 2026, there are 3 operators 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 $730	Free cancellation	Rating 7.4 10,245 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,263	Free cancellation	Rating 7.1 11,695 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,266	Free cancellation	Rating 7.5 1,102 reviews	Search Qantas Airways 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.