How long is the flight from Oregon to Australia?

Flight times from Oregon to Australia vary, but if you’re flying out of Portland and flying into Sydney (one of the most popular routes), then the duration is 17h 50m on average. Another popular route from Oregon to Australia is flying from Eugene to Sydney, which will take roughly 22h 53m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Australia?

Air Canada, United Airlines and Qantas Airways are the top three most popular airlines that fly to Australia from Oregon according to our data. Air Canada is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 6 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?

Delta, 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 are refreshed on a daily basis.

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

As of September 2026, there are 6 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 layovers. 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 license 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.

$566 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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:05 am - 7:45 amPDX Portland-BNE Brisbane

28h 40m1 stop Vancouver Intl

10:45 am - 9:26 amBNE Brisbane-PDX Portland

16h 41m1 stop Vancouver Intl

$975Air Canada

Mon, Oct 26 - Sun, Nov 8

10:10 am - 7:05 amPDX Portland-BNE Brisbane

27h 55m1 stop Vancouver Intl

10:45 am - 9:26 amBNE Brisbane-PDX Portland

16h 41m1 stop Vancouver Intl

$975Air Canada

Tue, Oct 20 - Tue, Nov 3

7:15 pm - 8:45 amPDX Portland-BNE Brisbane

19h 30m1 stop Vancouver Intl

6:10 am - 9:26 amBNE Brisbane-PDX Portland

21h 16m2 stops Sydney Kingsford Smith Vancouver Intl

$1,006Multiple Airlines

Mon, Nov 2 - Mon, Nov 16

3:30 pm - 7:05 amPDX Portland-BNE Brisbane

22h 35m1 stop Vancouver Intl

6:10 am - 9:26 amBNE Brisbane-PDX Portland

21h 16m2 stops Sydney Kingsford Smith Vancouver Intl

$1,006Multiple Airlines

Tue, Oct 20 - Tue, Nov 3

3:50 pm - 7:55 amEUG Eugene-SYD Sydney Kingsford Smith

22h 05m1 stop San Francisco

11:50 am - 6:12 pmSYD Sydney Kingsford Smith-EUG Eugene

24h 22m1 stop San Francisco

$1,091United Airlines

Tue, Oct 20 - Tue, Oct 27

1:49 pm - 9:20 amEUG Eugene-SYD Sydney Kingsford Smith

24h 31m1 stop San Francisco

11:50 am - 1:09 pmSYD Sydney Kingsford Smith-EUG Eugene

20h 19m1 stop San Francisco

$1,091United Airlines

Tue, Nov 3 - Tue, Nov 10

5:18 pm - 6:25 amPDX Portland-SYD Sydney Kingsford Smith

19h 07m1 stop Los Angeles

11:10 am - 11:50 amSYD Sydney Kingsford Smith-PDX Portland

18h 40m1 stop Los Angeles

$1,124Qantas Airways

Sun, Oct 25 - Sun, Nov 1

5:45 am - 7:00 amEUG Eugene-MEL Melbourne

31h 15m2 stops Salt Lake City Los Angeles

10:00 am - 11:47 pmMEL Melbourne-EUG Eugene

30h 47m2 stops Los Angeles Seattle/Tacoma Intl

$1,136Delta

Thu, Mar 25 - Fri, Apr 9

1:06 pm - 8:50 amPDX Portland-MEL Melbourne

25h 44m1 stop Los Angeles

9:10 am - 6:47 pmMEL Melbourne-PDX Portland

27h 37m1 stop Los Angeles

$1,138Delta

Sun, Oct 18 - Mon, Oct 26

2:53 pm - 6:25 amPDX Portland-SYD Sydney Kingsford Smith

21h 32m1 stop San Francisco

11:05 am - 1:35 pmSYD Sydney Kingsford Smith-PDX Portland

20h 30m2 stops Brisbane Los Angeles

$1,188Qantas Airways

Tue, Oct 20 - Tue, Oct 27

Cheap last minute flights

Enter your travel dates to find the best prices.

5:53 pm - 6:25 amPDX Portland-SYD Sydney Kingsford Smith

19h 32m1 stop San Francisco

1:40 pm - 10:06 pmSYD Sydney Kingsford Smith-PDX Portland

25h 26m2 stops Brisbane Los Angeles

$1,276Qantas Airways

Tue, Sep 29 - Thu, Oct 1

8:00 am - 6:50 pmPDX Portland-SYD Sydney Kingsford Smith

17h 50m1 stop Honolulu

8:45 pm - 6:19 amSYD Sydney Kingsford Smith-PDX Portland

26h 34m1 stop Honolulu

$1,314Alaska Airlines

Wed, Sep 30 - Sat, Oct 3

8:00 am - 6:50 pmPDX Portland-SYD Sydney Kingsford Smith

17h 50m1 stop Honolulu

6:50 pm - 11:16 pmSYD Sydney Kingsford Smith-PDX Portland

22h 26m1 stop Los Angeles

$1,489Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

9:20 am - 7:30 amPDX Portland-SYD Sydney Kingsford Smith

29h 10m2 stops Seattle/Tacoma Intl Los Angeles

8:45 pm - 6:19 amSYD Sydney Kingsford Smith-PDX Portland

26h 34m1 stop Honolulu

$1,490Multiple Airlines

Wed, Sep 30 - Sat, Oct 3

6:30 am - 7:05 amPDX Portland-SYD Sydney Kingsford Smith

31h 35m1 stop Los Angeles

5:10 pm - 11:16 pmSYD Sydney Kingsford Smith-PDX Portland

24h 06m2 stops Brisbane Los Angeles

$1,516Qantas Airways

Thu, Oct 1 - Thu, Oct 8

7:29 pm - 6:55 amPDX Portland-SYD Sydney Kingsford Smith

18h 26m1 stop San Francisco

11:20 am - 6:31 pmSYD Sydney Kingsford Smith-PDX Portland

25h 11m1 stop San Francisco

$1,517United Airlines

Thu, Oct 1 - Thu, Oct 8

6:30 am - 7:05 amPDX Portland-SYD Sydney Kingsford Smith

31h 35m1 stop Los Angeles

5:10 pm - 11:16 pmSYD Sydney Kingsford Smith-PDX Portland

24h 06m2 stops Brisbane Los Angeles

$1,518Qantas Airways

Thu, Oct 1 - Thu, Oct 8

12:45 pm - 7:00 amPDX Portland-SYD Sydney Kingsford Smith

25h 15m2 stops Denver Intl Los Angeles

10:30 am - 5:46 pmSYD Sydney Kingsford Smith-PDX Portland

25h 16m2 stops Los Angeles Denver Intl

$1,522United Airlines

Thu, Oct 1 - Thu, Oct 8

10:47 am - 6:50 amPDX Portland-SYD Sydney Kingsford Smith

27h 03m1 stop Los Angeles

10:15 am - 6:47 pmSYD Sydney Kingsford Smith-PDX Portland

26h 32m1 stop Los Angeles

$1,557Delta

Thu, Oct 1 - Thu, Oct 8

10:47 am - 6:50 amPDX Portland-SYD Sydney Kingsford Smith

27h 03m1 stop Los Angeles

10:15 am - 6:47 pmSYD Sydney Kingsford Smith-PDX Portland

26h 32m1 stop Los Angeles

$1,558Delta

Thu, Oct 1 - Thu, Oct 8

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United Airlines flights from Oregon to Australia

Our best United Airlines deals on Oregon to Australia flight tickets

United Airlines

Nov 3

EUG1:49 pmEugene

24h 31m

1 stop

SYD9:20 amSydney Kingsford Smith

Nov 10

SYD11:50 amSydney Kingsford Smith

20h 19m

1 stop

EUG1:09 pmEugene

$1,091

United Airlines

Oct 20

EUG12:52 pmEugene

25h 08m

2 stops

SYD8:00 amSydney Kingsford Smith

Oct 27

SYD10:15 amSydney Kingsford Smith

43h 42m

2 stops

EUG11:57 amEugene

$1,096

United Airlines

Nov 30

EUG5:00 amEugene

33h 05m

2 stops

SYD9:05 amSydney Kingsford Smith

Dec 7

SYD9:15 amSydney Kingsford Smith

47h 03m

2 stops

EUG1:18 pmEugene

$1,110

Qantas Airways flights from Oregon to Australia

Our best Qantas Airways deals on Oregon to Australia flight tickets

Qantas Airways

Oct 25

PDX5:18 pmPortland

19h 07m

1 stop

SYD6:25 amSydney Kingsford Smith

Nov 1

SYD11:10 amSydney Kingsford Smith

18h 40m

1 stop

PDX11:50 amPortland

$1,124

Qantas Airways

Oct 20

PDX2:53 pmPortland

21h 32m

1 stop

SYD6:25 amSydney Kingsford Smith

Oct 27

SYD11:05 amSydney Kingsford Smith

20h 30m

2 stops

PDX1:35 pmPortland

$1,188

Qantas Airways

Sep 29

PDX5:53 pmPortland

19h 32m

1 stop

SYD6:25 amSydney Kingsford Smith

Oct 1

SYD1:40 pmSydney Kingsford Smith

25h 26m

2 stops

PDX10:06 pmPortland

$1,276

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 10/26

10:05 am-7:45 am

1 stop28h 40m

Brisbane

Sun 11/8

10:45 am-9:26 am

1 stop16h 41m

$975

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Tue 10/20

10:10 am-7:05 am

1 stop27h 55m

Brisbane

Tue 11/3

10:45 am-9:26 am

1 stop16h 41m

$975

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 11/2

7:15 pm-8:45 am

1 stop19h 30m

Brisbane

Mon 11/16

6:10 am-9:26 am

2 stops21h 16m

$1,006

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Tue 10/20

3:30 pm-7:05 am

1 stop22h 35m

Brisbane

Tue 11/3

6:10 am-9:26 am

2 stops21h 16m

$1,006

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

EUGSYD

Eugene

Tue 10/20

3:50 pm-7:55 am

1 stop22h 05m

Sydney Kingsford Smith

Tue 10/27

11:50 am-6:12 pm

1 stop24h 22m

$1,091

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

EUGSYD

Eugene

Tue 11/3

1:49 pm-9:20 am

1 stop24h 31m

Sydney Kingsford Smith

Tue 11/10

11:50 am-1:09 pm

1 stop20h 19m

$1,091

Quickest round-trip

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Sun 10/25

5:18 pm-6:25 am

1 stop19h 07m

Sydney Kingsford Smith

Sun 11/1

11:10 am-11:50 am

1 stop18h 40m

$1,124

EugeneMelbourne

EUG Eugene - MEL Melbourne

EUGMEL

Eugene

Thu 3/25

5:45 am-7:00 am

2 stops31h 15m

Melbourne

Fri 4/9

10:00 am-11:47 pm

2 stops30h 47m

$1,136

PortlandMelbourne

PDX Portland - MEL Melbourne

PDXMEL

Portland

Sun 10/18

1:06 pm-8:50 am

1 stop25h 44m

Melbourne

Mon 10/26

9:10 am-6:47 pm

1 stop27h 37m

$1,138

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Tue 10/20

2:53 pm-6:25 am

1 stop21h 32m

Sydney Kingsford Smith

Tue 10/27

11:05 am-1:35 pm

2 stops20h 30m

$1,188

Flights are sorted by cheapest round-trip 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?

The month of June is, on average, the cheapest month to fly to Australia from Oregon, with most prices found around $1,060. If you aren’t able to travel during the month of June, then book flights to Australia from Oregon during April instead. Flights to Australia in April, while not as cheap as those in June, still average around $1,120.

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 $1,247 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Oregon for as low as $1,028 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 11% 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	$566
Fastest flight time	17h 50m
Direct flights	None

The best one-way flight to Australia from Oregon in the past 72 hours is $566. The best round-trip flight deal from Oregon to Australia found on momondo in the last 72 hours is $975.

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 are refreshed on a daily basis.
How many operators does momondo search for flights from Oregon to Australia?
As of September 2026, there are 6 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 layovers. 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 license 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
Alaska Airlines	PriceFrom $222	Free Cancellation	Rating 7.9 12,978 reviews	Search Alaska Airlines flights
Qantas Airways	PriceFrom $757	Free Cancellation	Rating 7.5 1,102 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $784	Free Cancellation	Rating 7.1 11,696 reviews	Search Air Canada flights
American Airlines	PriceFrom $855	Free Cancellation	Rating 7.0 12,102 reviews	Search American Airlines flights
United Airlines	PriceFrom $868	Free Cancellation	Rating 7.4 10,244 reviews	Search United Airlines flights
Delta	PriceFrom $984	Free Cancellation	Rating 7.8 8,610 reviews	Search Delta flights

Why use momondo?

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

Finding the right flight to Australia from Oregon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

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

Yes. All flights to Australia from Oregon on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Oregon to Australia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Oregon to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.