How long is the flight from Australia to Portland?

American Airlines, United Airlines, and Delta can get you from Australia to Portland in just under 21h 16m. Your travel time can differ by up to 6h 29m. The distance between Australia and Portland is about 11719 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the most popular routes from Australia to Portland?

The most popular flight routes from Australia to Portland are Sydney Kingsford Smith - Portland, Brisbane - Portland and Perth - Portland.

What are the most popular airlines that fly from Australia to Portland?

When booking a flight from Australia to Portland, you may want to consider flying on United Airlines, Air Canada or Qantas Airways as they are the most popular for this route.

What is the cheapest time of day to fly from AU to PDX?

When flying from Australia to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Portland from Australia?

Portland (PDX), located 9.7 km from the city centre, is the airport you fly into when you book flights from Australia to Portland.

Can I find deals for flights from Australia to Portland that include hotel bookings?

Yes. In addition to deals on Australia to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Australia to Portland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Portland.

Can I find deals for business class flights from Australia to Portland?

Yes. Cheapflights offers flight deals from Australia to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$730+ Cheap Flights from Australia to Portland

Cheap flight deals from Australia to Portland

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Australia to Portland
Explore the most affordable flight options available from Australia to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Thu 29/1021:40 -

1 stop26h 39m

Fri 13/1107:00 -

1 stop17h 45m

Deal found 25/10$1,307

Mon 2/1111:10 -

1 stop18h 40m

Mon 16/1118:04 -

1 stop19h 56m

Deal found 28/10$1,308

Sat 31/1021:40 -

1 stop17h 09m

Sun 15/1117:50 -

1 stop30h 55m

Deal found 27/10$1,320

Mon 2/1111:10 -

1 stop18h 40m

Tue 17/1118:04 -

1 stop19h 56m

Deal found 29/10$1,321

Mon 2/1111:10 -

1 stop31h 51m

Mon 9/1114:24 -

2 stops23h 36m

Deal found 28/10$1,361

Mon 2/1109:15 -

3 stops28h 09m

Mon 9/1112:57 -

2 stops25h 08m

Deal found 28/10$1,368

Mon 2/1111:50 -

1 stop17h 28m

Tue 17/1105:00 -

2 stops31h 00m

Deal found 29/10$1,370

Fri 30/1011:10 -

1 stop20h 25m

Sat 14/1117:04 -

1 stop20h 56m

Deal found 26/10$1,371

Thu 12/1121:40 -

1 stop27h 25m

Mon 16/1107:00 -

1 stop17h 45m

Deal found 28/10$1,372

Sun 1/1111:15 -

1 stop18h 35m

Mon 16/1118:04 -

1 stop19h 56m

Deal found 28/10$1,381

Sun 1/1109:15 -

2 stops28h 57m

Mon 16/1113:25 -

1 stop24h 55m

Deal found 28/10$1,435

Tue 24/1112:00 -

1 stop26h 51m

Sat 5/1206:50 -

1 stop27h 10m

Deal found 25/10$1,455

Best flights from Australia to Portland
Discover carefully curated flight deals from Australia to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Thu 12/1121:40 -

1 stop27h 25m

Mon 16/1107:00 -

1 stop17h 45m

Deal found 26/10$1,370

Tue 24/1112:00 -

1 stop25h 13m

Sat 5/1205:14 -

2 stops28h 46m

Deal found 25/10$1,455

Sat 13/221:40 -

1 stop27h 20m

Fri 26/217:50 -

1 stop30h 55m

Deal found 25/10$1,568

Fri 5/211:20 -

1 stop21h 16m

Mon 8/215:40 -

1 stop21h 50m

Deal found 26/10$1,584

Tue 24/1110:10 -

2 stops27h 45m

Sat 5/1209:59 -

2 stops27h 01m

Deal found 25/10$1,658

Wed 9/1211:35 -

2 stops37h 52m

Wed 6/114:34 -

2 stops39h 11m

Deal found 27/10$2,915

Fri 5/206:45 -

2 stops33h 54m

Mon 8/214:48 -

2 stops45h 42m

Deal found 28/10$1,503

Sun 22/1121:40 -

1 stop27h 24m

Sun 29/1121:30 -

2 stops27h 15m

Deal found 25/10$1,530

Mon 14/1218:10 -

2 stops42h 21m

Mon 21/1215:15 -

2 stops31h 45m

Deal found 29/10$3,153

Thu 4/211:20 -

1 stop18h 57m

Mon 8/213:18 -

1 stop24h 12m

Deal found 29/10$1,587

Fri 13/1107:25 -

2 stops35h 36m

Tue 17/1105:00 -

2 stops34h 20m

Deal found 27/10$1,574

Wed 3/214:00 -

2 stops21h 50m

Fri 19/217:55 -

2 stops23h 40m

Deal found 25/10$1,597

Mon 9/1110:40 -

2 stops30h 17m

Thu 12/1113:30 -

2 stops24h 00m

Deal found 27/10$1,764

Wed 9/1212:45 -

1 stop26h 41m

Wed 16/1213:17 -

1 stop26h 13m

Deal found 25/10$3,698

Thu 12/1107:20 -

2 stops25h 24m

Mon 16/1106:51 -

1 stop31h 09m

Deal found 28/10$1,621

Wed 9/1214:15 -

2 stops23h 27m

Sat 9/106:00 -

2 stops31h 35m

Deal found 27/10$2,104

Mon 7/1215:15 -

2 stops37h 00m

Sat 16/113:18 -

2 stops32h 52m

Deal found 28/10$2,469

Wed 9/1214:00 -

2 stops25h 30m

Fri 22/117:06 -

2 stops29h 14m

Deal found 25/10$2,939

Thu 19/1123:10 -

2 stops40h 49m

Mon 23/1123:49 -

2 stops46h 21m

Deal found 26/10$2,270

Sat 5/1218:50 -

2 stops39h 33m

Thu 21/119:19 -

2 stops26h 51m

Deal found 28/10$2,556

Sun 13/1210:40 -

1 stop19h 20m

Sun 20/1209:47 -

2 stops52h 43m

Deal found 29/10$3,079

Thu 10/1207:15 -

2 stops25h 53m

Thu 17/1205:00 -

2 stops34h 00m

Deal found 26/10$2,748

Wed 9/1210:45 -

1 stop28h 01m

Wed 16/1219:10 -

2 stops30h 15m

Deal found 25/10$2,779

Sun 6/1223:45 -

2 stops30h 53m

Mon 18/119:19 -

2 stops26h 51m

Deal found 28/10$2,785

Mon 7/1215:15 -

2 stops37h 00m

Tue 19/113:18 -

2 stops33h 27m

Deal found 28/10$2,793

Wed 9/1209:20 -

2 stops28h 22m

Wed 16/1207:00 -

3 stops53h 30m

Deal found 25/10$3,120

Fri 13/1111:30 -

2 stops25h 39m

Tue 17/1115:40 -

1 stop23h 50m

Deal found 27/10$2,824

Sun 13/1206:45 -

2 stops31h 11m

Sun 20/1214:30 -

1 stop24h 00m

Deal found 29/10$3,141

Tue 8/1223:45 -

2 stops39h 00m

Sat 16/119:24 -

2 stops26h 46m

Deal found 28/10$2,854

Mon 14/1206:30 -

3 stops24h 58m

Mon 21/1214:52 -

2 stops20h 58m

Deal found 29/10$3,313

Find flight deals from Australia to Portland

Round-trip from	$1,370
One-way from	$730
Popular in	April
Cheapest in	July
Average price	$1,405

12/11-16/11
2 total stops
45h 10m total
Australia to Portland

Search Deals

19/2-31/12
2 total stops
25h 53m total
Australia to Portland

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($246 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($29 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MelbournePortland

MEL Melbourne - PDX Portland

MELPDX

Melbourne

Wed 11/11

10:10-17:11

2 stops26h 01m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$806

MelbournePortland

MEL Melbourne - PDX Portland

MELPDX

Melbourne

Wed 11/11

20:20-10:11

3 stops56h 51m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$815

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Sat 27/3

21:40-06:00

1 stop26h 20m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$901

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Mon 8/2

11:20-14:36

3 stops46h 16m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,023

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Wed 2/12

11:50-14:38

1 stop21h 48m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,029

MelbournePortland

MEL Melbourne - PDX Portland

MELPDX

Melbourne

Thu 18/2

10:10-22:26

1 stop31h 16m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,066

MelbournePortland

MEL Melbourne - PDX Portland

MELPDX

Melbourne

Tue 16/2

10:10-20:56

1 stop29h 46m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,066

MelbournePortland

MEL Melbourne - PDX Portland

MELPDX

Melbourne

Mon 1/3

10:10-12:18

1 stop21h 08m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,067

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Fri 4/12

09:15-23:15

1 stop33h 00m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,110

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Fri 27/11

10:40-20:56

1 stop29h 16m

Portland

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,110

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 53 resultsSorted by cheapest first

...

Best time to book a flight from Australia to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Australia with our price prediction graph.

SYD-PDX

MEL-PDX

BNE-PDX

PER-PDX

ADL-PDX

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Portland

AU0-PDX

SYD-PDX

MEL-PDX

BNE-PDX

PER-PDX

What is the cheapest month to book a flight from Australia to Portland?

Currently, January is the cheapest month in which you can book a flight from Australia to Portland (average of $1,294). Flying from Australia to Portland in July is currently the most expensive (average of $1,867). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from Australia to Portland?

Booking 7 days in advance of your planned departure date is, on average, the best time to get cheap flights from Australia to Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Portland

Check out reviews from past customers who have flown with Delta,Qantas Airways, andUnited Airlines from Australia to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,692 reviews

Check prices

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Delta

7.8

Good

8,692 reviews

Delta

7.8

Good

8,692 reviews

Check prices

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Qantas Airways

7.5

Good

1,121 reviews

Delta

7.8

Good

8,692 reviews

Check prices

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

United Airlines

7.3

Good

10,451 reviews

Delta

7.8

Good

8,692 reviews

Check prices

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Air Canada

7.1

Good

11,833 reviews

Delta

7.8

Good

8,692 reviews

Check prices

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

What airport do you fly into for flights to Portland from Australia?
Portland (PDX), located 9.7 km from the city centre, is the airport you fly into when you book flights from Australia to Portland.
How long is the flight from Australia to Portland?
American Airlines, United Airlines, and Delta can get you from Australia to Portland in just under 21h 16m. Your travel time can differ by up to 6h 29m. The distance between Australia and Portland is about 11719 km. This flight may include one or multiple stops.
What are the most popular routes from Australia to Portland?
The most popular flight routes from Australia to Portland are Sydney Kingsford Smith - Portland, Brisbane - Portland and Perth - Portland.
Can I find deals for flights from Australia to Portland that include hotel bookings?
Yes. In addition to deals on Australia to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Australia to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Portland.
Can I find deals for business class flights from Australia to Portland?
Yes. Cheapflights offers flight deals from Australia to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Australia to Portland?
Currently, January is the cheapest month in which you can book a flight from Australia to Portland (average of $1,294). Flying from Australia to Portland in July is currently the most expensive (average of $1,867). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Airlines

Alternative routes

Complete your trip

Direct flights to United States

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Popular flights

Portland flight routes

Fly from Australia to Portland on these airlines

United Airlines flights from Australia to Portland

Air Canada flights from Australia to Portland

Qantas Airways flights from Australia to Portland

Top 4 airlines flying from Australia to Portland

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$750	Average$1,677	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	Cheapest$852	Average$1,509	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	Cheapest$1,131	Average$1,600	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Qantas Airways	Cheapest$1,295	Average$1,631	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

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How does Cheapflights help users find flights from Australia to Portland?

Cheapflights helps you search for flights from Australia to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Australia to Portland?

Cheapflights simply makes it quick and affordable to book flights from Australia to Portland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Australia to Portland with no change fees?

Certainly. Search results for flights to Portland from Australia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Australia to Portland become cheaper?

Of course! You can now track prices for flights from Australia to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Australia to Portland from $730

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Australia to Portland

Cheapest flights from Australia to PortlandExplore the most affordable flight options available from Australia to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Explore the most affordable flight options available from Australia to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Australia to PortlandDiscover carefully curated flight deals from Australia to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Australia to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Australia to PortlandDiscover last-minute flight deals from Australia to Portland. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Australia to Portland. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Australia to PortlandSearch for one-way flight options from Australia to Portland. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options from Australia to Portland. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Find flight deals from Australia to Portland

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Australia to Portland that are best for you.

Best time to book a flight from Australia to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Australia with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Australia to Portland?

How far ahead should I book a flight from Australia to Portland?

Booking 7 days in advance of your planned departure date is, on average, the best time to get cheap flights from Australia to Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Portland

Check out reviews from past customers who have flown with Delta,Qantas Airways, andUnited Airlines from Australia to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Portland from Australia?

How long is the flight from Australia to Portland?

What are the most popular routes from Australia to Portland?

Can I find deals for flights from Australia to Portland that include hotel bookings?

How can I find direct flights from Australia to Portland?

Can I find deals for business class flights from Australia to Portland?

What is the cheapest month to book a flight from Australia to Portland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Australia to Portland on these airlines

Choose from the following airlines for your flight from Australia to Portland. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

Alternative routes for Australia to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Portland by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Australia to Portland by cabin class

Find flights from Australia to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Australia and Portland flights

Browse other Australia and Portland flight options. Last updated on 30 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Portland

Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

Top 4 airlines flying from Australia to Portland

Fly with Cheapflights

How does Cheapflights help users find flights from Australia to Portland?

Why should you use Cheapflights to find cheap flight tickets from Australia to Portland?

Can Cheapflights find flights from Australia to Portland with no change fees?

Can Cheapflights notify me if prices for flights from Australia to Portland become cheaper?

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Cheapest flights from Australia to Portland
Explore the most affordable flight options available from Australia to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Australia to Portland
Discover carefully curated flight deals from Australia to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Australia to Portland
Discover last-minute flight deals from Australia to Portland. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Australia to Portland
Search for one-way flight options from Australia to Portland. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.