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 Redmond to Sydney, which will take roughly 19h 12m. Keep in mind that layovers or delays could extend your travel time.

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

United Airlines, Air Canada, and Delta 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 38% 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 June 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.

$505 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.

7:45 pm - 7:05 am

PDX

BNE

18h 20m

1 stop

10:00 am - 7:06 pm

BNE

PDX

26h 06m

1 stop

$1,035Air Canada

Wed, Sep 9 - Sun, Sep 20

7:46 am - 6:50 pm

PDX

SYD

18h 04m

1 stop

8:45 pm - 8:50 pm

SYD

PDX

17h 05m

1 stop

$1,053Alaska Airlines

Mon, Jun 29 - Sun, Jul 12

7:45 pm - 11:30 am

PDX

BNE

22h 45m

2 stops

10:00 am - 2:51 pm

BNE

PDX

21h 51m

1 stop

$1,063Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

3:30 pm - 7:05 am

PDX

BNE

22h 35m

1 stop

8:45 pm - 9:31 am

BNE

PDX

29h 46m

2 stops

$1,064Multiple Airlines

Tue, Sep 1 - Sat, Sep 12

9:27 pm - 6:45 am

PDX

MEL

40h 18m

1 stop

9:45 am - 9:25 am

MEL

PDX

40h 40m

1 stop

$1,064Multiple Airlines

Thu, Aug 6 - Wed, Aug 19

6:35 am - 6:45 am

PDX

MEL

31h 10m

1 stop

9:45 am - 11:59 pm

MEL

PDX

31h 14m

1 stop

$1,070American Airlines

Thu, Aug 13 - Sun, Aug 30

6:35 am - 6:45 am

PDX

MEL

31h 10m

1 stop

9:45 am - 6:59 pm

MEL

PDX

26h 14m

2 stops

$1,071American Airlines

Thu, Aug 6 - Wed, Aug 19

2:11 pm - 7:00 am

MFR

SYD

23h 49m

2 stops

10:20 am - 5:51 pm

SYD

MFR

24h 31m

1 stop

$1,158United Airlines

Mon, Aug 3 - Mon, Aug 10

5:00 am - 7:00 am

MFR

SYD

33h 00m

2 stops

10:20 am - 9:16 pm

SYD

MFR

27h 56m

2 stops

$1,163United Airlines

Mon, Aug 3 - Mon, Aug 10

6:57 pm - 8:05 am

BOI

SYD

20h 08m

1 stop

11:15 am - 12:28 pm

SYD

BOI

18h 13m

1 stop

$1,254Qantas Airways

Tue, Oct 20 - Tue, Oct 27

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

Delta flights from Oregon to Australia

Our best Delta deals on Oregon to Australia flight tickets

Delta

Jul 6

PDX5:37 pmPortland

20h 13m

1 stop

SYD6:50 amSydney Kingsford Smith

Jul 26

SYD9:15 amSydney Kingsford Smith

31h 29m

2 stops

PDX11:44 pmPortland

$1,193

Delta

Jul 29

PDX9:32 amPortland

29h 18m

2 stops

MEL7:50 amMelbourne

Aug 7

MEL10:00 amMelbourne

21h 45m

2 stops

PDX2:45 pmPortland

$1,213

Delta

Nov 21

PDX10:00 amPortland

28h 50m

1 stop

MEL9:50 amMelbourne

Nov 30

MEL12:00 pmMelbourne

23h 13m

1 stop

PDX4:13 pmPortland

$1,218

Alaska Airlines flights from Oregon to Australia

Our best Alaska Airlines deals on Oregon to Australia flight tickets

Alaska Airlines

Jun 29

PDX7:46 amPortland

18h 04m

1 stop

SYD6:50 pmSydney Kingsford Smith

Jul 12

SYD8:45 pmSydney Kingsford Smith

17h 05m

1 stop

PDX8:50 pmPortland

$1,053

Alaska Airlines

Aug 24

PDX8:00 amPortland

17h 50m

1 stop

SYD6:50 pmSydney Kingsford Smith

Aug 30

SYD8:45 pmSydney Kingsford Smith

17h 01m

1 stop

PDX8:46 pmPortland

$1,081

Alaska Airlines

Aug 31

PDX8:00 amPortland

17h 50m

1 stop

SYD6:50 pmSydney Kingsford Smith

Sep 13

SYD8:45 pmSydney Kingsford Smith

17h 01m

1 stop

PDX8:46 pmPortland

$1,095

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 9/9

7:45 pm-7:05 am

1 stop18h 20m

Brisbane

Sun 9/20

10:00 am-7:06 pm

1 stop26h 06m

$1,035

Quickest round-trip

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 6/29

7:46 am-6:50 pm

1 stop18h 04m

Sydney Kingsford Smith

Sun 7/12

8:45 pm-8:50 pm

1 stop17h 05m

$1,053

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 9/9

7:45 pm-11:30 am

2 stops22h 45m

Brisbane

Wed 9/16

10:00 am-2:51 pm

1 stop21h 51m

$1,063

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 9/1

3:30 pm-7:05 am

1 stop22h 35m

Brisbane

Sat 9/12

8:45 pm-9:31 am

2 stops29h 46m

$1,064

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 8/6

9:27 pm-6:45 am

1 stop40h 18m

Melbourne

Wed 8/19

9:45 am-9:25 am

1 stop40h 40m

$1,064

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 8/13

6:35 am-6:45 am

1 stop31h 10m

Melbourne

Sun 8/30

9:45 am-11:59 pm

1 stop31h 14m

$1,070

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 8/6

6:35 am-6:45 am

1 stop31h 10m

Melbourne

Wed 8/19

9:45 am-6:59 pm

2 stops26h 14m

$1,071

MedfordSydney

MFR - SYD

MFRSYD

Medford

Mon 8/3

2:11 pm-7:00 am

2 stops23h 49m

Sydney Kingsford Smith

Mon 8/10

10:20 am-5:51 pm

1 stop24h 31m

$1,158

MedfordSydney

MFR - SYD

MFRSYD

Medford

Mon 8/3

5:00 am-7:00 am

2 stops33h 00m

Sydney Kingsford Smith

Mon 8/10

10:20 am-9:16 pm

2 stops27h 56m

$1,163

BoiseSydney

BOI - SYD

BOISYD

Boise Air Term. Gowen Fld

Tue 10/20

6:57 pm-8:05 am

1 stop20h 08m

Sydney Kingsford Smith

Tue 10/27

11:15 am-12:28 pm

1 stop18h 13m

$1,254

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 April is, on average, the cheapest month to fly to Australia from Oregon, with most prices found around $177. If you aren’t able to travel during the month of April, then book flights to Australia from Oregon during March instead. Flights to Australia in March, while not as cheap as those in April, still average around $372.

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 $1,206 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 $1,049 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 15% 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 June 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 11,244 reviews	Search Air Canada flights
Delta	PriceFrom $497	Free Cancellation	Rating 7.8 8,425 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $550	Free Cancellation	Rating 7.8 2,826 reviews	Search Hawaiian Airlines flights
Qantas Airways	PriceFrom $757	Free Cancellation	Rating 7.5 1,048 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $830	Free Cancellation	Rating 7.4 9,874 reviews	Search United Airlines flights
American Airlines	PriceFrom $855	Free Cancellation	Rating 7.1 11,744 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $999	Free Cancellation	Rating 7.9 12,562 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.