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 19h 25m on average. If you fly from Redmond (another popular airport in Oregon) to Sydney, then the average flight time is 21h 22m.

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

Alaska Airlines and United 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 65% 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.

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 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.

$705 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.

07:19 - 06:25MFR Medford-SYD Sydney Kingsford Smith

28h 06m1 stop Los Angeles

21:40 - 12:49SYD Sydney Kingsford Smith-MFR Medford

34h 09m2 stops Honolulu Seattle/Tacoma Intl

$1,577Multiple Airlines

Tue, 23 Feb - Tue, 2 Mar

14:41 - 12:35PDX Portland-SYD Sydney Kingsford Smith

26h 54m2 stops San Francisco Nadi

14:00 - 22:55SYD Sydney Kingsford Smith-PDX Portland

26h 55m2 stops Nadi Los Angeles

$1,614Multiple Airlines

Sun, 28 Feb - Tue, 16 Mar

14:30 - 22:10PDX Portland-SYD Sydney Kingsford Smith

38h 40m2 stops Los Angeles Nadi

13:15 - 23:54SYD Sydney Kingsford Smith-PDX Portland

27h 39m2 stops Nadi Los Angeles

$1,614Multiple Airlines

Sat, 8 May - Sun, 16 May

17:01 - 06:25PDX Portland-SYD Sydney Kingsford Smith

18h 24m1 stop San Francisco

06:55 - 13:42SYD Sydney Kingsford Smith-PDX Portland

25h 47m2 stops Brisbane Los Angeles

$1,665Qantas Airways

Wed, 10 Feb - Wed, 3 Mar

10:00 - 12:35PDX Portland-MEL Melbourne

32h 35m2 stops Vancouver Intl Sydney Kingsford Smith

07:00 - 14:40MEL Melbourne-PDX Portland

25h 40m2 stops Sydney Kingsford Smith Vancouver Intl

$1,869Air Canada

Sat, 20 Mar - Sat, 27 Mar

19:26 - 09:20PDX Portland-SYD Sydney Kingsford Smith

18h 54m1 stop San Francisco

11:50 - 18:23SYD Sydney Kingsford Smith-PDX Portland

25h 33m1 stop San Francisco

$1,875United Airlines

Sun, 22 Nov - Tue, 1 Dec

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

29h 00m1 stop Houston George Bush Intcntl

11:50 - 18:23SYD Sydney Kingsford Smith-PDX Portland

25h 33m1 stop San Francisco

$1,875United Airlines

Sun, 22 Nov - Wed, 2 Dec

19:10 - 11:35PDX Portland-MEL Melbourne

23h 25m2 stops Vancouver Intl Sydney Kingsford Smith

06:00 - 09:25MEL Melbourne-PDX Portland

20h 25m2 stops Brisbane Vancouver Intl

$1,880Air Canada

Sat, 1 May - Fri, 14 May

13:09 - 08:40PDX Portland-SYD Sydney Kingsford Smith

26h 31m2 stops Los Angeles Brisbane

21:25 - 22:33SYD Sydney Kingsford Smith-PDX Portland

18h 08m1 stop San Francisco

$1,902Qantas Airways

Sat, 8 May - Sun, 16 May

14:49 - 09:00PDX Portland-SYD Sydney Kingsford Smith

23h 11m1 stop Los Angeles

11:10 - 23:59SYD Sydney Kingsford Smith-PDX Portland

31h 49m1 stop Los Angeles

$1,961Qantas Airways

Sun, 22 Nov - Mon, 30 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

28h 32m1 stop Los Angeles

11:15 - 18:54SYD Sydney Kingsford Smith-PDX Portland

26h 39m1 stop Los Angeles

$1,762Alaska Airlines

Sat, 14 Nov - Thu, 26 Nov

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

28h 32m1 stop Los Angeles

11:15 - 18:54SYD Sydney Kingsford Smith-PDX Portland

26h 39m1 stop Los Angeles

$1,763Alaska Airlines

Sat, 14 Nov - Thu, 26 Nov

12:04 - 06:25PDX Portland-SYD Sydney Kingsford Smith

23h 21m2 stops Seattle/Tacoma Intl Los Angeles

11:15 - 17:23SYD Sydney Kingsford Smith-PDX Portland

25h 08m2 stops Los Angeles Seattle/Tacoma Intl

$1,767Alaska Airlines

Sat, 14 Nov - Thu, 26 Nov

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

29h 00m1 stop Houston George Bush Intcntl

11:50 - 18:23SYD Sydney Kingsford Smith-PDX Portland

25h 33m1 stop San Francisco

$1,875United Airlines

Wed, 18 Nov - Wed, 2 Dec

12:57 - 07:00PDX Portland-SYD Sydney Kingsford Smith

23h 03m1 stop Houston George Bush Intcntl

11:50 - 20:26SYD Sydney Kingsford Smith-PDX Portland

27h 36m1 stop San Francisco

$1,875United Airlines

Wed, 18 Nov - Tue, 1 Dec

12:57 - 07:00PDX Portland-SYD Sydney Kingsford Smith

23h 03m1 stop Houston George Bush Intcntl

09:10 - 12:13SYD Sydney Kingsford Smith-PDX Portland

22h 03m1 stop Houston George Bush Intcntl

$1,948United Airlines

Wed, 18 Nov - Sat, 28 Nov

10:46 - 06:25PDX Portland-SYD Sydney Kingsford Smith

24h 39m1 stop Los Angeles

11:10 - 23:44SYD Sydney Kingsford Smith-PDX Portland

31h 34m1 stop Los Angeles

$1,961Qantas Airways

Wed, 18 Nov - Mon, 30 Nov

14:48 - 10:20PDX Portland-SYD Sydney Kingsford Smith

24h 32m2 stops Los Angeles Brisbane

11:10 - 23:59SYD Sydney Kingsford Smith-PDX Portland

31h 49m1 stop Los Angeles

$2,069Qantas Airways

Wed, 18 Nov - Mon, 30 Nov

19:10 - 09:35PDX Portland-SYD Sydney Kingsford Smith

19h 25m1 stop Vancouver Intl

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

26h 11m1 stop Vancouver Intl

$2,181Air Canada

Fri, 13 Nov - Mon, 16 Nov

15:15 - 09:35PDX Portland-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

15:00 - 14:41SYD Sydney Kingsford Smith-PDX Portland

42h 41m2 stops Brisbane Vancouver Intl

$2,212Air Canada

Fri, 13 Nov - Mon, 16 Nov

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Air New Zealand flights from Oregon to Australia

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

Air New Zealand

20 Apr

PDX10:30Portland

31h 10m

2 stops

SYD10:40Sydney Kingsford Smith

4 May

SYD11:55Sydney Kingsford Smith

25h 36m

2 stops

PDX20:31Portland

$1,733

Air New Zealand

28 Apr

PDX13:39Portland

28h 01m

2 stops

SYD10:40Sydney Kingsford Smith

11 May

SYD11:55Sydney Kingsford Smith

27h 35m

2 stops

PDX22:30Portland

$1,737

Air New Zealand

1 Mar

PDX19:20Portland

44h 15m

2 stops

SYD10:35Sydney Kingsford Smith

10 Mar

SYD14:05Sydney Kingsford Smith

25h 40m

2 stops

PDX20:45Portland

$1,757

Delta flights from Oregon to Australia

Our best Delta deals on Oregon to Australia flight tickets

Delta

20 Nov

PDX19:04Portland

66h 26m

2 stops

SYD08:30Sydney Kingsford Smith

1 Dec

SYD10:40Sydney Kingsford Smith

18h 23m

1 stop

PDX10:03Portland

$1,903

Delta

21 Nov

PDX13:05Portland

24h 25m

1 stop

SYD08:30Sydney Kingsford Smith

5 Dec

SYD10:40Sydney Kingsford Smith

20h 25m

1 stop

PDX12:05Portland

$2,022

Delta

21 Nov

PDX14:15Portland

23h 15m

2 stops

SYD08:30Sydney Kingsford Smith

5 Dec

SYD10:40Sydney Kingsford Smith

31h 02m

2 stops

PDX22:42Portland

$2,027

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MedfordSydney

MFR Medford - SYD Sydney Kingsford Smith

MFRSYD

Medford

Tue 23/2

07:19-06:25

1 stop28h 06m

Sydney Kingsford Smith

Tue 2/3

21:40-12:49

2 stops34h 09m

$1,577

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Sun 28/2

14:41-12:35

2 stops26h 54m

Sydney Kingsford Smith

Tue 16/3

14:00-22:55

2 stops26h 55m

$1,614

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Sat 8/5

14:30-22:10

2 stops38h 40m

Sydney Kingsford Smith

Sun 16/5

13:15-23:54

2 stops27h 39m

$1,614

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Wed 10/2

17:01-06:25

1 stop18h 24m

Sydney Kingsford Smith

Wed 3/3

06:55-13:42

2 stops25h 47m

$1,665

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sat 20/3

10:00-12:35

2 stops32h 35m

Melbourne

Sat 27/3

07:00-14:40

2 stops25h 40m

$1,869

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Sun 22/11

19:26-09:20

1 stop18h 54m

Sydney Kingsford Smith

Tue 1/12

11:50-18:23

1 stop25h 33m

$1,875

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Sun 22/11

07:00-07:00

1 stop29h 00m

Sydney Kingsford Smith

Wed 2/12

11:50-18:23

1 stop25h 33m

$1,875

Fastest return journey

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sat 1/5

19:10-11:35

2 stops23h 25m

Melbourne

Fri 14/5

06:00-09:25

2 stops20h 25m

$1,880

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Sat 8/5

13:09-08:40

2 stops26h 31m

Sydney Kingsford Smith

Sun 16/5

21:25-22:33

1 stop18h 08m

$1,902

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Sun 22/11

14:49-09:00

1 stop23h 11m

Sydney Kingsford Smith

Mon 30/11

11:10-23:59

1 stop31h 49m

$1,961

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 $1,545. 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 $1,648.

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 $1,827 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 $1,642 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 18% 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	$705
Fastest flight time	18h 46m
Direct flights	None

The best one-way flight to Australia from Oregon in the past 72 hours is $705. The best return flight deal from Oregon to Australia found on momondo in the last 72 hours is $1,577.

The fastest flight from Oregon to Australia takes 18h 46m

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 November 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
Air Canada	PriceFrom $1,293	Free cancellation	Rating 7.1 11,891 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,295	Free cancellation	Rating 7.5 1,125 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $2,454	Free cancellation	Rating 7.3 10,485 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.