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

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Oregon to Australia

Which airlines fly to Australia?

United Airlines, Air Canada and Qantas Airways 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.

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 45m on average. If you fly from Medford (another popular airport in Oregon) to Sydney, then the average flight time is 18h 35m.

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 August 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

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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.

15:15 - 07:45PDX Portland-BNE Brisbane

23h 30m1 stop Vancouver Intl

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

16h 41m1 stop Vancouver Intl

$1,356Air Canada

Mon, 26 Oct - Tue, 24 Nov

10:00 - 08:45PDX Portland-BNE Brisbane

29h 45m1 stop Vancouver Intl

10:45 - 18:31BNE Brisbane-PDX Portland

25h 46m1 stop Vancouver Intl

$1,356Air Canada

Sat, 31 Oct - Sun, 8 Nov

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

19h 35m1 stop Vancouver Intl

10:45 - 18:31BNE Brisbane-PDX Portland

25h 46m1 stop Vancouver Intl

$1,356Air Canada

Mon, 2 Nov - Mon, 16 Nov

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

19h 35m1 stop Vancouver Intl

06:10 - 09:26BNE Brisbane-PDX Portland

21h 16m2 stops Sydney Kingsford Smith Vancouver Intl

$1,399Multiple Airlines

Mon, 2 Nov - Mon, 16 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

$1,413Multiple Airlines

Sun, 18 Oct - Tue, 27 Oct

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

$1,414Multiple Airlines

Sun, 11 Oct - Sun, 25 Oct

14:08 - 08:00MFR Medford-SYD Sydney Kingsford Smith

23h 52m2 stops San Francisco Los Angeles Los Angeles

11:50 - 11:45SYD Sydney Kingsford Smith-MFR Medford

17h 55m1 stop San Francisco

$1,542United Airlines

Wed, 21 Oct - Wed, 28 Oct

13:57 - 06:55EUG Eugene-SYD Sydney Kingsford Smith

23h 58m1 stop San Francisco

10:20 - 20:33SYD Sydney Kingsford Smith-EUG Eugene

27h 13m1 stop San Francisco

$1,542United Airlines

Tue, 8 Sep - Tue, 15 Sep

14:30 - 06:25PDX Portland-SYD Sydney Kingsford Smith

20h 55m1 stop San Francisco

10:20 - 13:26SYD Sydney Kingsford Smith-PDX Portland

22h 06m2 stops Brisbane Los Angeles Los Angeles

$1,621Qantas Airways

Fri, 29 Jan - Mon, 8 Feb

14:30 - 06:25PDX Portland-SYD Sydney Kingsford Smith

20h 55m1 stop San Francisco

11:05 - 13:26SYD Sydney Kingsford Smith-PDX Portland

21h 21m2 stops Brisbane Los Angeles Los Angeles

$1,622Qantas Airways

Fri, 29 Jan - Mon, 8 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

19:45 - 07:05PDX Portland-BNE Brisbane

18h 20m1 stop Vancouver Intl

10:00 - 09:31BNE Brisbane-PDX Portland

16h 31m1 stop Vancouver Intl

$1,478Air Canada

Mon, 10 Aug - Sun, 23 Aug

19:45 - 14:20PDX Portland-AVV Melbourne Avalon

25h 35m2 stops Vancouver Intl Brisbane

20:40 - 09:31AVV Melbourne Avalon-PDX Portland

29h 51m2 stops Brisbane Vancouver Intl

$1,631Multiple Airlines

Mon, 10 Aug - Tue, 18 Aug

19:45 - 07:20PDX Portland-SYD Sydney Kingsford Smith

18h 35m1 stop Vancouver Intl

09:20 - 09:31SYD Sydney Kingsford Smith-PDX Portland

17h 11m1 stop Vancouver Intl

$1,650Air Canada

Mon, 10 Aug - Tue, 18 Aug

14:39 - 06:45PDX Portland-MEL Melbourne

23h 06m1 stop Los Angeles Los Angeles

09:45 - 13:25MEL Melbourne-PDX Portland

20h 40m1 stop Los Angeles Los Angeles

$1,670Qantas Airways

Thu, 13 Aug - Wed, 26 Aug

19:45 - 07:20PDX Portland-SYD Sydney Kingsford Smith

18h 35m1 stop Vancouver Intl

06:00 - 09:31SYD Sydney Kingsford Smith-PDX Portland

20h 31m2 stops Brisbane Vancouver Intl

$1,680Multiple Airlines

Mon, 10 Aug - Tue, 18 Aug

21:27 - 06:45PDX Portland-MEL Melbourne

40h 18m1 stop Los Angeles Los Angeles

09:45 - 16:47MEL Melbourne-PDX Portland

24h 02m1 stop Los Angeles Los Angeles

$1,690Multiple Airlines

Mon, 10 Aug - Tue, 18 Aug

21:27 - 11:50PDX Portland-SYD Sydney Kingsford Smith

45h 23m2 stops Los Angeles Los Angeles Nadi

13:15 - 22:00SYD Sydney Kingsford Smith-PDX Portland

25h 45m2 stops Nadi Los Angeles Los Angeles

$1,708Multiple Airlines

Mon, 10 Aug - Tue, 18 Aug

11:16 - 06:30PDX Portland-BNE Brisbane

26h 14m1 stop San Francisco

10:30 - 15:03BNE Brisbane-PDX Portland

21h 33m2 stops San Francisco Denver Intl

$1,723United Airlines

Mon, 10 Aug - Sun, 23 Aug

15:43 - 06:30PDX Portland-BNE Brisbane

21h 47m1 stop San Francisco

10:30 - 12:00BNE Brisbane-PDX Portland

18h 30m1 stop San Francisco

$1,734United Airlines

Fri, 14 Aug - Sun, 23 Aug

10:50 - 06:30PDX Portland-BNE Brisbane

26h 40m2 stops Denver Intl San Francisco

10:30 - 15:03BNE Brisbane-PDX Portland

21h 33m2 stops San Francisco Denver Intl

$1,741United Airlines

Fri, 14 Aug - Sun, 23 Aug

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Alaska Airlines flights from Oregon to Australia

Our best Alaska Airlines deals on Oregon to Australia flight tickets

Alaska Airlines

17 Aug

PDX07:46Portland

18h 04m

1 stop

SYD18:50Sydney Kingsford Smith

30 Aug

SYD20:45Sydney Kingsford Smith

26h 29m

1 stop

PDX06:14Portland

$1,468

Alaska Airlines

26 Oct

PDX08:00Portland

17h 45m

1 stop

SYD19:45Sydney Kingsford Smith

24 Nov

SYD21:40Sydney Kingsford Smith

18h 09m

1 stop

PDX20:49Portland

$1,533

Alaska Airlines

3 Nov

PDX10:30Portland

38h 15m

1 stop

SYD19:45Sydney Kingsford Smith

17 Nov

SYD21:40Sydney Kingsford Smith

18h 09m

1 stop

PDX20:49Portland

$1,536

United Airlines flights from Oregon to Australia

Our best United Airlines deals on Oregon to Australia flight tickets

United Airlines

21 Oct

MFR14:08Medford

23h 52m

2 stops

SYD08:00Sydney Kingsford Smith

28 Oct

SYD11:50Sydney Kingsford Smith

17h 55m

1 stop

MFR11:45Medford

$1,542

United Airlines

8 Sept

EUG05:00Eugene

32h 55m

2 stops

SYD06:55Sydney Kingsford Smith

15 Sept

SYD10:20Sydney Kingsford Smith

27h 13m

1 stop

EUG20:33Eugene

$1,547

United Airlines

21 Oct

MFR05:00Medford

33h 00m

2 stops

SYD08:00Sydney Kingsford Smith

28 Oct

SYD11:50Sydney Kingsford Smith

27h 28m

2 stops

MFR21:18Medford

$1,549

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 26/10

15:15-07:45

1 stop23h 30m

Brisbane

Tue 24/11

10:45-09:26

1 stop16h 41m

$1,356

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 31/10

10:00-08:45

1 stop29h 45m

Brisbane

Sun 8/11

10:45-18:31

1 stop25h 46m

$1,356

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 2/11

19:10-08:45

1 stop19h 35m

Brisbane

Mon 16/11

10:45-18:31

1 stop25h 46m

$1,356

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 2/11

19:10-08:45

1 stop19h 35m

Brisbane

Mon 16/11

06:10-09:26

2 stops21h 16m

$1,399

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 18/10

19:45-12:10

2 stops22h 25m

Melbourne

Tue 27/10

06:05-09:26

2 stops21h 21m

$1,413

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 11/10

19:45-12:10

2 stops22h 25m

Melbourne

Sun 25/10

06:05-09:26

2 stops21h 21m

$1,414

MedfordSydney

MFR Medford - SYD Sydney Kingsford Smith

MFRSYD

Medford

Wed 21/10

14:08-08:00

2 stops23h 52m

Sydney Kingsford Smith

Wed 28/10

11:50-11:45

1 stop17h 55m

$1,542

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

EUGSYD

Eugene

Tue 8/9

13:57-06:55

1 stop23h 58m

Sydney Kingsford Smith

Tue 15/9

10:20-20:33

1 stop27h 13m

$1,542

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Fri 29/1

14:30-06:25

1 stop20h 55m

Sydney Kingsford Smith

Mon 8/2

10:20-13:26

2 stops22h 06m

$1,621

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Fri 29/1

14:30-06:25

1 stop20h 55m

Sydney Kingsford Smith

Mon 8/2

11:05-13:26

2 stops21h 21m

$1,622

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, February 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 $1,501. If you don’t want to visit Australia in February, then you should wait until June to fly from Oregon, when ticket prices are also cheap, with an average price of $1,516.

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 $1,747 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 $1,219 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 32% 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

Fastest flight time	17h 45m
Direct flights	None

The fastest flight from Oregon to Australia takes 17h 45m

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 August 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 $725	Free cancellation	Rating 7.4 10,090 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,255	Free cancellation	Rating 7.1 11,456 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,257	Free cancellation	Rating 7.5 1,079 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.