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 45m on average. Another popular route from Oregon to Australia is flying from Eugene to Sydney, which will take roughly 21h 10m. Keep in mind that layovers or delays could extend your travel time.

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

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

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 39% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 7 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 are refreshed on a daily basis.

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

As of August 2026, there are 7 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.

$554 Cheap Flights from Oregon to Australia in 2026

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.

10:00 am - 8:45 amPDX Portland-BNE Brisbane

29h 45m1 stop Vancouver Intl

10:45 am - 6:31 pmBNE Brisbane-PDX Portland

25h 46m1 stop Vancouver Intl

$959Air Canada

Sat, Oct 31 - Sun, Nov 8

7:10 pm - 8:45 amPDX Portland-BNE Brisbane

19h 35m1 stop Vancouver Intl

10:45 am - 6:31 pmBNE Brisbane-PDX Portland

25h 46m1 stop Vancouver Intl

$959Air Canada

Mon, Nov 2 - Mon, Nov 16

7:10 pm - 8:45 amPDX Portland-BNE Brisbane

19h 35m1 stop Vancouver Intl

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

21h 16m2 stops Sydney Kingsford Smith Vancouver Intl

$989Multiple Airlines

Mon, Nov 2 - Mon, Nov 16

7:45 pm - 7:05 amPDX Portland-BNE Brisbane

18h 20m1 stop Vancouver Intl

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

21h 16m2 stops Sydney Kingsford Smith Vancouver Intl

$989Multiple Airlines

Mon, Aug 31 - Wed, Nov 18

1:57 pm - 6:55 amEUG Eugene-SYD Sydney Kingsford Smith

23h 58m1 stop San Francisco

10:20 am - 8:33 pmSYD Sydney Kingsford Smith-EUG Eugene

27h 13m1 stop San Francisco

$1,090United Airlines

Tue, Sep 8 - Tue, Sep 15

6:18 pm - 5:50 amPDX Portland-BNE Brisbane

18h 32m1 stop Los Angeles

1:10 pm - 4:35 pmBNE Brisbane-PDX Portland

21h 25m1 stop Los Angeles

$1,090Qantas Airways

Fri, Oct 30 - Fri, Nov 13

5:00 am - 6:55 amEUG Eugene-SYD Sydney Kingsford Smith

32h 55m2 stops Denver Intl San Francisco

10:20 am - 8:33 pmSYD Sydney Kingsford Smith-EUG Eugene

27h 13m1 stop San Francisco

$1,094United Airlines

Tue, Sep 8 - Tue, Sep 15

5:50 am - 8:30 amEUG Eugene-SYD Sydney Kingsford Smith

31h 40m2 stops Salt Lake City Los Angeles

10:40 am - 11:59 pmSYD Sydney Kingsford Smith-EUG Eugene

32h 19m2 stops Los Angeles Salt Lake City

$1,094Delta

Tue, Nov 10 - Wed, Nov 25

1:38 pm - 6:50 amEUG Eugene-SYD Sydney Kingsford Smith

24h 12m2 stops Salt Lake City Los Angeles

9:15 am - 11:59 pmSYD Sydney Kingsford Smith-EUG Eugene

31h 44m2 stops Los Angeles Seattle/Tacoma Intl

$1,094Delta

Tue, Sep 15 - Tue, Sep 22

5:40 pm - 10:20 amPDX Portland-SYD Sydney Kingsford Smith

21h 40m2 stops Los Angeles Brisbane

9:25 pm - 8:48 pmSYD Sydney Kingsford Smith-PDX Portland

18h 23m1 stop San Francisco

$1,136Qantas Airways

Mon, Feb 1 - Wed, Feb 10

Cheap last minute flights

Enter your travel dates to find the best prices.

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

27h 55m1 stop Vancouver Intl

8:45 pm - 2:51 pmBNE Brisbane-PDX Portland

35h 06m2 stops Sydney Kingsford Smith Vancouver Intl

$1,072Air Canada

Sun, Aug 9 - Sun, Aug 23

7:45 pm - 8:30 amPDX Portland-BNE Brisbane

43h 45m2 stops Vancouver Intl Sydney Kingsford Smith

8:05 pm - 9:31 amBNE Brisbane-PDX Portland

30h 26m2 stops Sydney Kingsford Smith Vancouver Intl

$1,164Air Canada

Sun, Aug 9 - Sun, Aug 23

7:45 pm - 7:20 amPDX Portland-SYD Sydney Kingsford Smith

18h 35m1 stop Vancouver Intl

6:00 am - 9:31 amSYD Sydney Kingsford Smith-PDX Portland

20h 31m2 stops Brisbane Vancouver Intl

$1,188Multiple Airlines

Mon, Aug 10 - Tue, Aug 18

9:27 pm - 11:50 amPDX Portland-SYD Sydney Kingsford Smith

45h 23m2 stops Los Angeles Nadi

1:15 pm - 10:00 pmSYD Sydney Kingsford Smith-PDX Portland

25h 45m2 stops Nadi Los Angeles

$1,208Multiple Airlines

Mon, Aug 10 - Tue, Aug 18

1:59 pm - 6:55 amEUG Eugene-SYD Sydney Kingsford Smith

23h 56m1 stop San Francisco

10:20 am - 8:31 pmSYD Sydney Kingsford Smith-EUG Eugene

27h 11m1 stop San Francisco

$1,227United Airlines

Sun, Aug 9 - Thu, Aug 13

1:59 pm - 6:55 amEUG Eugene-SYD Sydney Kingsford Smith

23h 56m1 stop San Francisco

10:20 am - 11:43 amSYD Sydney Kingsford Smith-EUG Eugene

18h 23m1 stop San Francisco

$1,227United Airlines

Sun, Aug 9 - Sun, Aug 30

8:03 am - 7:30 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 27m1 stop Los Angeles

5:50 pm - 10:45 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

20h 55m1 stop Los Angeles

$1,436Alaska Airlines

Sat, Aug 8 - Mon, Aug 10

8:03 am - 7:30 amBOI Boise Air Term. Gowen Fld-SYD Sydney Kingsford Smith

31h 27m1 stop Los Angeles

5:50 pm - 11:48 pmSYD Sydney Kingsford Smith-BOI Boise Air Term. Gowen Fld

21h 58m2 stops Los Angeles Portland

$1,440Alaska Airlines

Sat, Aug 8 - Mon, Aug 10

6:35 am - 11:55 amPDX Portland-SYD Sydney Kingsford Smith

36h 20m2 stops Los Angeles Brisbane

5:10 pm - 11:59 pmSYD Sydney Kingsford Smith-PDX Portland

23h 49m2 stops Brisbane Los Angeles

$1,537Qantas Airways

Sat, Aug 8 - Mon, Aug 10

10:30 am - 4:05 pmPDX Portland-AVV Melbourne Avalon

60h 35m2 stops Honolulu Sydney Kingsford Smith

10:30 am - 11:59 pmAVV Melbourne Avalon-PDX Portland

30h 29m2 stops Sydney Kingsford Smith Los Angeles

$3,798Qantas Airways

Sat, Aug 8 - Wed, Aug 12

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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

Alaska Airlines flights from Oregon to Australia

Our best Alaska Airlines deals on Oregon to Australia flight tickets

Alaska Airlines

Aug 17

PDX7:46 amPortland

18h 04m

1 stop

SYD6:50 pmSydney Kingsford Smith

Aug 30

SYD8:45 pmSydney Kingsford Smith

26h 29m

1 stop

PDX6:14 amPortland

$1,038

Alaska Airlines

Oct 26

PDX8:00 amPortland

17h 45m

1 stop

SYD7:45 pmSydney Kingsford Smith

Nov 24

SYD9:40 pmSydney Kingsford Smith

18h 09m

1 stop

PDX8:49 pmPortland

$1,084

Alaska Airlines

Aug 17

PDX7:46 amPortland

18h 04m

1 stop

SYD6:50 pmSydney Kingsford Smith

Aug 23

SYD8:45 pmSydney Kingsford Smith

26h 29m

1 stop

PDX6:14 amPortland

$1,085

United Airlines flights from Oregon to Australia

Our best United Airlines deals on Oregon to Australia flight tickets

United Airlines

Sep 8

EUG1:57 pmEugene

23h 58m

1 stop

SYD6:55 amSydney Kingsford Smith

Sep 15

SYD10:20 amSydney Kingsford Smith

27h 13m

1 stop

EUG8:33 pmEugene

$1,090

United Airlines

Sep 8

EUG12:47 pmEugene

25h 13m

2 stops

SYD7:00 amSydney Kingsford Smith

Sep 15

SYD10:20 amSydney Kingsford Smith

27h 57m

2 stops

EUG9:17 pmEugene

$1,094

United Airlines

Nov 12

MFR7:45 pmMedford

18h 35m

1 stop

SYD9:20 amSydney Kingsford Smith

Feb 10

SYD1:20 pmSydney Kingsford Smith

23h 30m

1 stop

MFR5:50 pmMedford

$1,140

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 10/31

10:00 am-8:45 am

1 stop29h 45m

Brisbane

Sun 11/8

10:45 am-6:31 pm

1 stop25h 46m

$959

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 11/2

7:10 pm-8:45 am

1 stop19h 35m

Brisbane

Mon 11/16

10:45 am-6:31 pm

1 stop25h 46m

$959

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 11/2

7:10 pm-8:45 am

1 stop19h 35m

Brisbane

Mon 11/16

6:10 am-9:26 am

2 stops21h 16m

$989

Quickest round-trip

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 8/31

7:45 pm-7:05 am

1 stop18h 20m

Brisbane

Wed 11/18

6:10 am-9:26 am

2 stops21h 16m

$989

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

EUGSYD

Eugene

Tue 9/8

1:57 pm-6:55 am

1 stop23h 58m

Sydney Kingsford Smith

Tue 9/15

10:20 am-8:33 pm

1 stop27h 13m

$1,090

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Fri 10/30

6:18 pm-5:50 am

1 stop18h 32m

Brisbane

Fri 11/13

1:10 pm-4:35 pm

1 stop21h 25m

$1,090

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

EUGSYD

Eugene

Tue 9/8

5:00 am-6:55 am

2 stops32h 55m

Sydney Kingsford Smith

Tue 9/15

10:20 am-8:33 pm

1 stop27h 13m

$1,094

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

EUGSYD

Eugene

Tue 11/10

5:50 am-8:30 am

2 stops31h 40m

Sydney Kingsford Smith

Wed 11/25

10:40 am-11:59 pm

2 stops32h 19m

$1,094

EugeneSydney

EUG Eugene - SYD Sydney Kingsford Smith

EUGSYD

Eugene

Tue 9/15

1:38 pm-6:50 am

2 stops24h 12m

Sydney Kingsford Smith

Tue 9/22

9:15 am-11:59 pm

2 stops31h 44m

$1,094

PortlandSydney

PDX Portland - SYD Sydney Kingsford Smith

PDXSYD

Portland

Mon 2/1

5:40 pm-10:20 am

2 stops21h 40m

Sydney Kingsford Smith

Wed 2/10

9:25 pm-8:48 pm

1 stop18h 23m

$1,136

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 February is, on average, the cheapest month to fly to Australia from Oregon, with most prices found around $1,061. If you aren’t able to travel during the month of February, then book flights to Australia from Oregon during June instead. Flights to Australia in June, while not as cheap as those in February, still average around $1,087.

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 $1,222 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 $1,023 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 2% 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 are refreshed on a daily basis.
How many operators does momondo search for flights from Oregon to Australia?
As of August 2026, there are 7 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
Air Canada	PriceFrom $372	Free Cancellation	Rating 7.1 11,433 reviews	Search Air Canada flights
Delta	PriceFrom $497	Free Cancellation	Rating 7.8 8,496 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $550	Free Cancellation	Rating 7.8 2,819 reviews	Search Hawaiian Airlines flights
Qantas Airways	PriceFrom $757	Free Cancellation	Rating 7.5 1,079 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $855	Free Cancellation	Rating 7.1 11,871 reviews	Search American Airlines flights
United Airlines	PriceFrom $868	Free Cancellation	Rating 7.4 10,076 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $999	Free Cancellation	Rating 7.9 12,778 reviews	Search Alaska Airlines 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.