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

Qantas Airways, American Airlines, and Air New Zealand are the most popular carriers operating from Oregon to Australia

What airlines fly to Australia?

United Airlines, Air Canada and Delta 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 49% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 9 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?

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 55m on average. Another popular route from Oregon to Australia is flying from Redmond to Sydney, which will take roughly 17h 58m. Keep in mind that layovers or delays could extend your travel time.

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 July 2025, there are 9 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.

$378 Cheap Flights from Oregon to Australia in 2025

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Find the cheapest flights from Oregon to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

7:40 pm - 7:20 amPDX-SYD

18h 40m1 stop

9:20 am - 2:46 pmSYD-PDX

22h 26m1 stop

$765Air Canada

Find Deal

Thu, Aug 21 - Thu, Sep 4

3:25 pm - 7:20 amPDX-SYD

22h 55m1 stop

9:20 am - 9:21 amSYD-PDX

17h 01m1 stop

$766Air Canada

Find Deal

Sun, Aug 24 - Tue, Sep 9

11:42 am - 7:05 amPDX-SYD

26h 23m2 stops

9:10 am - 4:44 pmSYD-PDX

24h 34m2 stops

$803American Airlines

Find Deal

Fri, Sep 12 - Fri, Sep 19

2:56 pm - 7:05 amPDX-SYD

23h 09m1 stop

5:45 pm - 9:16 pmSYD-PDX

20h 31m1 stop

$810Qantas Airways

Find Deal

Fri, Sep 26 - Sat, Oct 4

2:50 pm - 7:05 amPDX-SYD

23h 15m1 stop

9:10 am - 7:10 pmSYD-PDX

27h 00m1 stop

$813Qantas Airways

Find Deal

Tue, Sep 9 - Tue, Sep 23

2:30 pm - 6:05 amPDX-SYD

22h 35m1 stop

9:10 am - 1:24 pmSYD-PDX

21h 14m1 stop

$815

Find Deal

Tue, Sep 2 - Tue, Sep 23

7:40 pm - 7:20 amPDX-SYD

18h 40m1 stop

6:30 am - 9:30 amSYD-PDX

20h 00m2 stops

$825

Find Deal

Sun, Aug 24 - Sun, Aug 31

2:56 pm - 7:05 amPDX-SYD

23h 09m1 stop

5:10 pm - 9:16 pmSYD-PDX

21h 06m2 stops

$834American Airlines

Find Deal

Tue, Sep 2 - Tue, Sep 23

10:55 am - 7:00 amPDX-SYD

27h 05m2 stops

9:30 am - 9:01 pmSYD-PDX

28h 31m2 stops

$835United Airlines

Find Deal

Tue, Sep 2 - Tue, Sep 23

6:29 pm - 6:55 amEUG-SYD

19h 26m1 stop

10:20 am - 12:03 pmSYD-EUG

18h 43m1 stop

$877United Airlines

Find Deal

Sat, Aug 16 - Sat, Aug 23

Air Canada flights from Oregon to Australia

Our best Air Canada deals on Oregon to Australia flight tickets

Air Canada

Aug 21

PDX7:40 pmPortland

18h 40m

1 stop

SYD7:20 amSydney Kingsford Smith

Sep 4

SYD9:20 amSydney Kingsford Smith

22h 26m

1 stop

PDX2:46 pmPortland

$765

Find similar

Air Canada

Aug 24

PDX3:25 pmPortland

22h 55m

1 stop

SYD7:20 amSydney Kingsford Smith

Sep 9

SYD9:20 amSydney Kingsford Smith

17h 01m

1 stop

PDX9:21 amPortland

$766

Find similar

Air Canada

Sep 21

PDX3:25 pmPortland

22h 55m

1 stop

SYD7:20 amSydney Kingsford Smith

Sep 30

SYD9:20 amSydney Kingsford Smith

22h 26m

1 stop

PDX2:46 pmPortland

$770

Find similar

United Airlines flights from Oregon to Australia

Our best United Airlines deals on Oregon to Australia flight tickets

United Airlines

Sep 2

PDX10:55 amPortland

27h 05m

2 stops

SYD7:00 amSydney Kingsford Smith

Sep 23

SYD9:30 amSydney Kingsford Smith

28h 31m

2 stops

PDX9:01 pmPortland

$835

Find similar

United Airlines

Aug 16

EUG6:29 pmEugene

19h 26m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 23

SYD10:20 amSydney Kingsford Smith

18h 43m

1 stop

EUG12:03 pmEugene

$877

Find similar

United Airlines

Sep 13

RDM5:05 amBend/Redmond

32h 50m

2 stops

SYD6:55 amSydney Kingsford Smith

Sep 20

SYD9:30 amSydney Kingsford Smith

28h 17m

2 stops

RDM8:47 pmBend/Redmond

$881

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 8/21

7:40 pm-7:20 am

1 stop18h 40m

Sydney Kingsford Smith

Thu 9/4

9:20 am-2:46 pm

1 stop22h 26m

$765

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 8/24

3:25 pm-7:20 am

1 stop22h 55m

Sydney Kingsford Smith

Tue 9/9

9:20 am-9:21 am

1 stop17h 01m

$766

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 9/12

11:42 am-7:05 am

2 stops26h 23m

Sydney Kingsford Smith

Fri 9/19

9:10 am-4:44 pm

2 stops24h 34m

$803

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 9/26

2:56 pm-7:05 am

1 stop23h 09m

Sydney Kingsford Smith

Sat 10/4

5:45 pm-9:16 pm

1 stop20h 31m

$810

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/9

2:50 pm-7:05 am

1 stop23h 15m

Sydney Kingsford Smith

Tue 9/23

9:10 am-7:10 pm

1 stop27h 00m

$813

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/2

2:30 pm-6:05 am

1 stop22h 35m

Sydney Kingsford Smith

Tue 9/23

9:10 am-1:24 pm

1 stop21h 14m

$815

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 8/24

7:40 pm-7:20 am

1 stop18h 40m

Sydney Kingsford Smith

Sun 8/31

6:30 am-9:30 am

2 stops20h 00m

$825

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/2

2:56 pm-7:05 am

1 stop23h 09m

Sydney Kingsford Smith

Tue 9/23

5:10 pm-9:16 pm

2 stops21h 06m

$834

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/2

10:55 am-7:00 am

2 stops27h 05m

Sydney Kingsford Smith

Tue 9/23

9:30 am-9:01 pm

2 stops28h 31m

$835

EugeneSydney

EUG - SYD

EUGSYD

Eugene

Sat 8/16

6:29 pm-6:55 am

1 stop19h 26m

Sydney Kingsford Smith

Sat 8/23

10:20 am-12:03 pm

1 stop18h 43m

$877

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 September is, on average, the cheapest month to fly to Australia from Oregon, with most prices found around $1,009. If you aren’t able to travel during the month of September, then book flights to Australia from Oregon during May instead. Flights to Australia in May, while not as cheap as those in September, still average around $1,039.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Oregon to Australia is on a Saturday. Travelers who choose to depart for Australia on a Saturday will often find tickets for as low as $1,040. On the other hand, Thursday is the most expensive day to depart from Oregon because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,146.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Oregon in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,060 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,135 on average. Flights to Australia from Oregon at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight 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 $1,158 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 $922 on momondo.

Can stopping save me money on Oregon to Australia flights?

You could potentially save up to 9% 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	$378
Fastest flight time	18h 25m
Direct flights	None
Airports in Australia	5 airports

The best one-way flight to Australia from Oregon in the past 72 hours is $378. The best round-trip flight deal from Oregon to Australia found on momondo in the last 72 hours is $765.

The fastest flight from Oregon to Australia takes 18h 25m

There are no direct flights from Oregon to Australia. Popular non-direct routes for this connection are Portland Airport - Sydney Kingsford Smith Airport, Bend/Redmond Airport - Sydney Kingsford Smith Airport and Portland Airport - Melbourne Avalon Airport.

There are 5 airports near Australia: Melbourne Avalon (AVV), Melbourne (MEL), Brisbane (BNE), Adelaide (ADL), Sydney Kingsford Smith (SYD)

Search flight deals

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 July 2025, there are 9 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
Delta	PriceFrom $456	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $656	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Air Canada	PriceFrom $844	Free Cancellation	Rating 7.1 9,851 reviews	Search Air Canada flights
Hawaiian Airlines	PriceFrom $855	Free Cancellation	Rating 7.8 2,611 reviews	Search Hawaiian Airlines flights
Qantas Airways	PriceFrom $925	Free Cancellation	Rating 7.5 887 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $952	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $1,099	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Air New Zealand	PriceFrom $1,141	Free Cancellation	Rating 7.9 501 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,288	Free Cancellation	Rating 7.4 3,609 reviews	Search Qatar Airways 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.