What airlines fly to Australia?

United Airlines, Air Canada and Delta are the top three most popular airlines that fly to Australia from Portland according to our data. United Airlines is the first choice among our users, with 48% 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.

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

Alaska Airlines, Air Canada, and United Airlines 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 9 as of April 2025.

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.

$528 Cheap Flights from Portland to Australia in 2025

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Find the cheapest flights from Portland to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Portland to Australia.

7:40 pm - 10:40 amPDX-SYD

22h 00m2 stops

8:00 pm - 9:21 amSYD-PDX

30h 21m2 stops

$939

Find Deal

Tue, Jun 17 - Sat, Sep 20

7:40 pm - 7:20 amPDX-SYD

18h 40m1 stop

9:20 am - 6:46 pmSYD-PDX

26h 26m1 stop

$956Air Canada

Find Deal

Fri, Aug 15 - Tue, Aug 26

7:30 am - 7:05 amPDX-SYD

30h 35m2 stops

9:10 am - 8:26 pmSYD-PDX

28h 16m2 stops

$1,153Alaska Airlines

Find Deal

Thu, May 1 - Thu, May 8

7:00 am - 7:45 pmPDX-SYD

19h 45m2 stops

9:40 pm - 6:08 amSYD-PDX

25h 28m2 stops

$1,154Alaska Airlines

Find Deal

Fri, Aug 15 - Tue, Aug 26

12:54 pm - 6:30 amPDX-BNE

24h 36m2 stops

10:30 am - 5:29 pmBNE-PDX

23h 59m2 stops

$1,243United Airlines

Find Deal

Sun, May 25 - Sun, Jun 8

9:59 am - 8:15 amPDX-MEL

29h 16m1 stop

10:55 am - 2:40 pmMEL-PDX

20h 45m1 stop

$1,249United Airlines

Find Deal

Sun, Aug 3 - Sun, Aug 10

5:05 pm - 6:35 amPDX-SYD

20h 30m1 stop

9:25 am - 11:56 amSYD-PDX

19h 31m1 stop

$1,265Delta

Find Deal

Wed, Jun 4 - Wed, Jun 25

10:00 am - 6:35 amPDX-SYD

27h 35m1 stop

9:25 am - 11:42 amSYD-PDX

19h 17m1 stop

$1,385Delta

Find Deal

Wed, Jul 16 - Sun, Jul 27

7:45 am - 5:25 amPDX-BNE

28h 40m1 stop

7:45 pm - 4:26 pmBNE-PDX

37h 41m2 stops

$1,422Qantas Airways

Find Deal

Fri, Aug 1 - Mon, Aug 18

5:39 pm - 5:25 amPDX-BNE

18h 46m1 stop

8:05 pm - 11:59 pmBNE-PDX

20h 54m1 stop

$1,456Qantas Airways

Find Deal

Wed, Apr 30 - Sat, May 10

Air Canada flights from Portland to Australia

Our best Air Canada deals on Portland to Australia flight tickets

Air Canada

Aug 15

PDX7:40 pmPortland

18h 40m

1 stop

SYD7:20 amSydney Kingsford Smith

Aug 26

SYD9:20 amSydney Kingsford Smith

26h 26m

1 stop

PDX6:46 pmPortland

$956

Find similar

Air Canada

Jun 17

PDX7:40 pmPortland

22h 00m

2 stops

SYD10:40 amSydney Kingsford Smith

Sep 20

SYD9:20 amSydney Kingsford Smith

22h 26m

1 stop

PDX2:46 pmPortland

$975

Find similar

Air Canada

Aug 28

PDX3:25 pmPortland

22h 55m

1 stop

SYD7:20 amSydney Kingsford Smith

Sep 13

SYD9:20 amSydney Kingsford Smith

17h 01m

1 stop

PDX9:21 amPortland

$1,006

Find similar

Alaska Airlines flights from Portland to Australia

Our best Alaska Airlines deals on Portland to Australia flight tickets

Alaska Airlines

May 1

PDX7:30 amPortland

30h 35m

2 stops

SYD7:05 amSydney Kingsford Smith

May 8

SYD9:10 amSydney Kingsford Smith

28h 16m

2 stops

PDX8:26 pmPortland

$1,153

Find similar

Alaska Airlines

Aug 15

PDX7:00 amPortland

19h 45m

2 stops

SYD7:45 pmSydney Kingsford Smith

Aug 26

SYD9:40 pmSydney Kingsford Smith

25h 28m

2 stops

PDX6:08 amPortland

$1,154

Find similar

Alaska Airlines

May 3

PDX9:34 pmPortland

27h 56m

2 stops

SYD6:30 pmSydney Kingsford Smith

May 11

SYD9:40 pmSydney Kingsford Smith

29h 16m

2 stops

PDX9:56 amPortland

$1,155

Find similar

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 February is, on average, the cheapest month to fly to Australia from Portland, with most prices found around $1,039. If you aren’t able to travel during the month of February, then book flights to Australia from Portland during August instead. Flights to Australia in August, while not as cheap as those in February, still average around $1,080.

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

The cheapest day to depart from Portland 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 Portland 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 Portland 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 Portland 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 Portland when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,185 when searching 14 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 $947 on momondo.

Cheap Portland to Australia flight deals and tips

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

Best Price Found	$528
Fastest flight time	18h 25m
Direct flights	None
Airports in Australia	4 airports

The best one-way flight to Australia from Portland in the past 72 hours is $528. The best round-trip flight deal from Portland to Australia found on momondo in the last 72 hours is $939.

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

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

There are 4 airports near Australia: Melbourne Avalon (AVV), Melbourne (MEL), Brisbane (BNE), Sydney Kingsford Smith (SYD)

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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 9 as of April 2025.
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
Hawaiian Airlines	PriceFrom $444	Free Cancellation	Rating 7.9 2,344 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $456	Free Cancellation	Rating 8.0 7,897 reviews	Search Delta flights
United Airlines	PriceFrom $759	Free Cancellation	Rating 7.4 8,618 reviews	Search United Airlines flights
Air Canada	PriceFrom $846	Free Cancellation	Rating 7.0 9,028 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,036	Free Cancellation	Rating 7.5 815 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,055	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $1,068	Free Cancellation	Rating 8.0 9,831 reviews	Search Alaska Airlines flights
Singapore Airlines	PriceFrom $1,275	Free Cancellation	Rating 8.1 1,287 reviews	Search Singapore Airlines flights
Qatar Airways	PriceFrom $1,286	Free Cancellation	Rating 7.4 3,540 reviews	Search Qatar Airways 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.