What airlines fly to Australia?

Air Canada, United Airlines and Qantas Airways are the top three most popular airlines that fly to Australia from Portland 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 8 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 Portland to Australia?

Air Canada, United Airlines, and Qantas Airways are the most popular carriers operating from Portland to Australia

When did momondo last update prices for flights from Portland Airport to Australia?

Prices for flights from Portland Airport to Australia refresh daily.

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

The number of operators available for flights from Portland Airport to Australia is 8 as of March 2026.

How old do you have to be to fly from Portland Airport to Australia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Australia.

What documentation or ID do you need to fly to Australia?

The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$444 Cheap Flights from Portland to Australia in 2026

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Portland to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 7:05 am

PDX

BNE

22h 35m

1 stop

10:00 am - 9:30 am

BNE

PDX

16h 30m

1 stop

$858Air Canada

Wed, May 13 - Wed, May 27

3:30 pm - 7:05 am

PDX

BNE

22h 35m

1 stop

10:00 am - 9:31 am

BNE

PDX

16h 31m

1 stop

$859Air Canada

Sun, Aug 23 - Tue, Sep 8

3:30 pm - 7:05 am

PDX

BNE

22h 35m

1 stop

7:25 pm - 9:30 am

BNE

PDX

31h 05m

2 stops

$886Multiple Airlines

Wed, May 13 - Wed, May 27

9:50 am - 7:05 am

PDX

BNE

28h 15m

1 stop

8:40 pm - 9:30 am

BNE

PDX

29h 50m

2 stops

$887Multiple Airlines

Sun, Apr 26 - Thu, May 14

3:30 pm - 7:05 am

PDX

BNE

22h 35m

1 stop

7:25 pm - 9:30 am

BNE

PDX

31h 05m

2 stops

$888Multiple Airlines

Sat, May 9 - Sat, May 16

7:45 pm - 11:20 am

PDX

MEL

22h 35m

2 stops

9:05 pm - 9:30 am

MEL

PDX

29h 25m

2 stops

$897Multiple Airlines

Mon, May 11 - Mon, May 18

7:45 pm - 11:20 am

PDX

MEL

22h 35m

2 stops

9:05 pm - 9:30 am

MEL

PDX

29h 25m

2 stops

$899Multiple Airlines

Fri, May 8 - Thu, May 21

1:52 pm - 6:35 pm

PDX

PER

37h 43m

2 stops

10:45 pm - 4:50 pm

PER

PDX

33h 05m

2 stops

$1,435Qatar Airways

Tue, May 12 - Tue, May 19

2:56 pm - 9:10 pm

PDX

TSV

37h 14m

2 stops

3:30 pm - 11:59 pm

TSV

PDX

25h 29m

2 stops

$1,681Qantas Airways

Sat, Aug 8 - Wed, Aug 12

2:56 pm - 9:10 pm

PDX

TSV

37h 14m

2 stops

3:30 pm - 11:59 pm

TSV

PDX

25h 29m

2 stops

$1,690Qantas Airways

Sat, Aug 8 - Wed, Aug 12

Qantas Airways flights from Portland to Australia

Our best Qantas Airways deals on Portland to Australia flight tickets

Qantas Airways

Aug 20

PDX2:56 pmPortland

22h 49m

1 stop

MEL6:45 amMelbourne

Aug 28

MEL9:45 amMelbourne

23h 42m

1 stop

PDX4:27 pmPortland

$1,083

Qantas Airways

Aug 20

PDX2:30 pmPortland

23h 15m

1 stop

MEL6:45 amMelbourne

Aug 28

MEL9:45 amMelbourne

23h 42m

1 stop

PDX4:27 pmPortland

$1,084

Qantas Airways

Aug 20

PDX2:56 pmPortland

22h 49m

1 stop

MEL6:45 amMelbourne

Aug 28

MEL9:45 amMelbourne

24h 05m

1 stop

PDX4:50 pmPortland

$1,106

Air Canada flights from Portland to Australia

Our best Air Canada deals on Portland to Australia flight tickets

Air Canada

May 13

PDX3:30 pmPortland

22h 35m

1 stop

BNE7:05 amBrisbane

May 27

BNE10:00 amBrisbane

16h 30m

1 stop

PDX9:30 amPortland

$858

Air Canada

May 12

PDX7:45 pmPortland

22h 20m

2 stops

MEL11:05 amMelbourne

May 19

MEL6:00 amMelbourne

25h 45m

2 stops

PDX2:45 pmPortland

$902

Air Canada

May 5

PDX3:30 pmPortland

26h 35m

2 stops

MEL11:05 amMelbourne

May 19

MEL6:00 amMelbourne

25h 45m

2 stops

PDX2:45 pmPortland

$906

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 5/13

3:30 pm-7:05 am

1 stop22h 35m

Brisbane

Wed 5/27

10:00 am-9:30 am

1 stop16h 30m

$858

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 8/23

3:30 pm-7:05 am

1 stop22h 35m

Brisbane

Tue 9/8

10:00 am-9:31 am

1 stop16h 31m

$859

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 5/13

3:30 pm-7:05 am

1 stop22h 35m

Brisbane

Wed 5/27

7:25 pm-9:30 am

2 stops31h 05m

$886

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 4/26

9:50 am-7:05 am

1 stop28h 15m

Brisbane

Thu 5/14

8:40 pm-9:30 am

2 stops29h 50m

$887

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 5/9

3:30 pm-7:05 am

1 stop22h 35m

Brisbane

Sat 5/16

7:25 pm-9:30 am

2 stops31h 05m

$888

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 5/11

7:45 pm-11:20 am

2 stops22h 35m

Melbourne

Mon 5/18

9:05 pm-9:30 am

2 stops29h 25m

$897

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 5/8

7:45 pm-11:20 am

2 stops22h 35m

Melbourne

Thu 5/21

9:05 pm-9:30 am

2 stops29h 25m

$899

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 5/12

1:52 pm-6:35 pm

2 stops37h 43m

Perth

Tue 5/19

10:45 pm-4:50 pm

2 stops33h 05m

$1,435

PortlandTownsville

PDX - TSV

PDXTSV

Portland

Sat 8/8

2:56 pm-9:10 pm

2 stops37h 14m

Townsville

Wed 8/12

3:30 pm-11:59 pm

2 stops25h 29m

$1,681

PortlandTownsville

PDX - TSV

PDXTSV

Portland

Sat 8/8

2:56 pm-9:10 pm

2 stops37h 14m

Townsville

Wed 8/12

3:30 pm-11:59 pm

2 stops25h 29m

$1,690

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 Portland 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

What is the cheapest month to fly to Australia?

The month of September is, on average, the cheapest month to fly to Australia from Portland, with most prices found around $1,001. If you aren’t able to travel during the month of September, then book flights to Australia from Portland during October instead. Flights to Australia in October, while not as cheap as those in September, still average around $1,137.

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,221 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Portland for as low as $895 on momondo.

Can stopping save me money on Portland to Australia flights?

You could potentially save up to 5% on your flight if you consider stops on a Portland to Australia flight.

Cheap Portland to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Australia

Fastest flight time	18h 35m
Direct flights	None

The fastest flight from Portland to Australia takes 18h 35m

There are no direct flights from Portland to Australia. There are no popular flight routes from Portland to Australia.

Search flight deals

When did momondo last update prices for flights from Portland Airport to Australia?
Prices for flights from Portland Airport to Australia refresh daily.
How many operators does momondo search for flights from Portland Airport to Australia?
The number of operators available for flights from Portland Airport to Australia is 8 as of March 2026.
How old do you have to be to fly from Portland Airport to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Australia

Compare and see reviews for airlines that fly from Portland to Australia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $229	Free Cancellation	Rating 7.9 8,364 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $550	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $574	Free Cancellation	Rating 7.1 10,866 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $757	Free Cancellation	Rating 7.5 1,016 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $855	Free Cancellation	Rating 7.1 11,543 reviews	Search American Airlines flights
United Airlines	PriceFrom $868	Free Cancellation	Rating 7.4 9,525 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $999	Free Cancellation	Rating 7.9 12,142 reviews	Search Alaska Airlines flights
Alaska Airlines	PriceFrom $1,140	Free Cancellation	Rating 0.0	Search Alaska Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Australia from Portland.

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

Yes. momondo enables you to select and highlight flights to Australia from Portland with this policy.

How can momondo help me find flights from Portland 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 Portland.

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

Of course. momondo tracks the price of Portland to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.