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 42% 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 New Zealand, Singapore Airlines, and EVA Air 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 May 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.

$590 Cheap Flights from Portland to Australia in 2026

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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

10:45 am - 6:31 pm

BNE

PDX

25h 46m

1 stop

$1,037Air Canada

Tue, Oct 20 - Tue, Nov 3

7:45 pm - 7:05 am

PDX

BNE

18h 20m

1 stop

10:45 am - 9:26 am

BNE

PDX

16h 41m

1 stop

$1,038Air Canada

Tue, Oct 20 - Tue, Nov 3

5:37 pm - 11:30 am

PDX

OOL

24h 53m

2 stops

12:30 pm - 8:50 pm

OOL

PDX

25h 20m

2 stops

$1,055Multiple Airlines

Tue, Aug 4 - Thu, Aug 20

11:54 am - 6:45 am

PDX

MEL

25h 51m

2 stops

9:45 am - 10:39 pm

MEL

PDX

29h 54m

1 stop

$1,062American Airlines

Thu, Jul 2 - Thu, Jul 9

7:45 pm - 7:20 am

PDX

SYD

18h 35m

1 stop

9:20 am - 2:51 pm

SYD

PDX

22h 31m

1 stop

$1,062Air Canada

Mon, Jun 22 - Tue, Jul 21

7:10 pm - 8:45 am

PDX

BNE

20h 35m

1 stop

6:10 am - 9:26 am

BNE

PDX

21h 16m

2 stops

$1,065Multiple Airlines

Sat, Oct 31 - Sun, Nov 8

3:27 pm - 6:45 am

PDX

MEL

22h 18m

1 stop

9:45 am - 4:38 pm

MEL

PDX

23h 53m

1 stop

$1,082American Airlines

Mon, Jun 29 - Mon, Jul 6

11:16 am - 8:15 am

PDX

MEL

27h 59m

1 stop

9:30 am - 3:03 pm

MEL

PDX

22h 33m

2 stops

$1,098United Airlines

Sun, Aug 9 - Sun, Aug 16

7:00 am - 12:25 pm

PDX

OOL

36h 25m

2 stops

4:20 pm - 10:11 am

OOL

PDX

34h 51m

2 stops

$1,287United Airlines

Wed, Aug 5 - Sat, Aug 22

6:35 am - 2:10 pm

PDX

AVV

38h 35m

2 stops

6:00 am - 8:36 pm

AVV

PDX

31h 36m

2 stops

$1,999Qantas Airways

Thu, Sep 3 - Fri, Sep 18

Air New Zealand flights from Portland to Australia

Our best Air New Zealand deals on Portland to Australia flight tickets

Air New Zealand

Aug 9

PDX1:17 pmPortland

25h 58m

1 stop

MEL8:15 amMelbourne

Aug 16

MEL9:30 amMelbourne

22h 33m

2 stops

PDX3:03 pmPortland

$1,097

Air New Zealand

Jun 22

PDX11:16 amPortland

26h 39m

1 stop

SYD6:55 amSydney Kingsford Smith

Jul 21

SYD10:20 amSydney Kingsford Smith

23h 27m

1 stop

PDX4:47 pmPortland

$1,160

Air New Zealand

Jul 6

PDX8:35 amPortland

29h 20m

1 stop

SYD6:55 amSydney Kingsford Smith

Jul 26

SYD10:20 amSydney Kingsford Smith

17h 00m

1 stop

PDX10:20 amPortland

$1,167

Air Canada flights from Portland to Australia

Our best Air Canada deals on Portland to Australia flight tickets

Air Canada

Oct 20

PDX3:30 pmPortland

22h 35m

1 stop

BNE7:05 amBrisbane

Nov 3

BNE10:45 amBrisbane

25h 46m

1 stop

PDX6:31 pmPortland

$1,037

Air Canada

Oct 20

PDX7:45 pmPortland

18h 20m

1 stop

BNE7:05 amBrisbane

Nov 3

BNE10:45 amBrisbane

16h 41m

1 stop

PDX9:26 amPortland

$1,038

Air Canada

Jun 22

PDX7:45 pmPortland

18h 35m

1 stop

SYD7:20 amSydney Kingsford Smith

Jul 21

SYD9:20 amSydney Kingsford Smith

22h 31m

1 stop

PDX2:51 pmPortland

$1,062

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 10/20

3:30 pm-7:05 am

1 stop22h 35m

Brisbane

Tue 11/3

10:45 am-6:31 pm

1 stop25h 46m

$1,037

Quickest round-trip

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 10/20

7:45 pm-7:05 am

1 stop18h 20m

Brisbane

Tue 11/3

10:45 am-9:26 am

1 stop16h 41m

$1,038

PortlandCoolangatta

PDX - OOL

PDXOOL

Portland

Tue 8/4

5:37 pm-11:30 am

2 stops24h 53m

Coolangatta Gold Coast

Thu 8/20

12:30 pm-8:50 pm

2 stops25h 20m

$1,055

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 7/2

11:54 am-6:45 am

2 stops25h 51m

Melbourne

Thu 7/9

9:45 am-10:39 pm

1 stop29h 54m

$1,062

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 6/22

7:45 pm-7:20 am

1 stop18h 35m

Sydney Kingsford Smith

Tue 7/21

9:20 am-2:51 pm

1 stop22h 31m

$1,062

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 10/31

7:10 pm-8:45 am

1 stop20h 35m

Brisbane

Sun 11/8

6:10 am-9:26 am

2 stops21h 16m

$1,065

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 6/29

3:27 pm-6:45 am

1 stop22h 18m

Melbourne

Mon 7/6

9:45 am-4:38 pm

1 stop23h 53m

$1,082

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 8/9

11:16 am-8:15 am

1 stop27h 59m

Melbourne

Sun 8/16

9:30 am-3:03 pm

2 stops22h 33m

$1,098

PortlandCoolangatta

PDX - OOL

PDXOOL

Portland

Wed 8/5

7:00 am-12:25 pm

2 stops36h 25m

Coolangatta Gold Coast

Sat 8/22

4:20 pm-10:11 am

2 stops34h 51m

$1,287

PortlandMelbourne

PDX - AVV

PDXAVV

Portland

Thu 9/3

6:35 am-2:10 pm

2 stops38h 35m

Melbourne Avalon

Fri 9/18

6:00 am-8:36 pm

2 stops31h 36m

$1,999

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 $139. If you aren’t able to travel during the month of September, then book flights to Australia from Portland during April instead. Flights to Australia in April, while not as cheap as those in September, still average around $177.

How far in advance should I book a flight from Portland 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 $1,210 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 $1,016 on momondo.

Can stopping save me money on Portland to Australia flights?

You could potentially save up to 10% 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	17h 50m
Direct flights	None

The fastest flight from Portland to Australia takes 17h 50m

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

Search flight deals

Frequently asked questions about flying 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 May 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 8,452 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $550	Free Cancellation	Rating 7.8 2,836 reviews	Search Hawaiian Airlines flights
Qantas Airways	PriceFrom $757	Free Cancellation	Rating 7.5 1,037 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $784	Free Cancellation	Rating 7.1 11,062 reviews	Search Air Canada flights
American Airlines	PriceFrom $855	Free Cancellation	Rating 7.1 11,646 reviews	Search American Airlines flights
United Airlines	PriceFrom $868	Free Cancellation	Rating 7.4 9,733 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $999	Free Cancellation	Rating 7.9 12,383 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.