Find flights
When to book
FAQs

Cheap flights from Portland to Brisbane from $1,317

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BNE
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Portland to Brisbane are usually found in February or March, booked 29 days in advance, depart on a Tuesday or Monday and return on a Thursday

Find flight deals from Portland to Brisbane

Enter your travel dates to find the best prices.

Cheapest flights from Portland to Brisbane
Explore the most affordable flight options available from Portland to Brisbane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Fri 5/1212:45PDX - BNE
1 stop25h 35mDelta
Fri 12/1210:40BNE - PDX
1 stop23h 55mDelta
Deal found 6/11$1,333
Sat 6/1214:58PDX - BNE
1 stop20h 02mMultiple Airlines
Sat 13/1219:50BNE - PDX
2 stops45h 56mMultiple Airlines
Deal found 6/11$1,576
Fri 26/1216:26PDX - BNE
1 stop19h 19mQantas Airways
Sun 11/105:05BNE - PDX
2 stops26h 36mQantas Airways
Deal found 5/11$1,644
Sat 6/1209:50PDX - BNE
1 stop28h 55mAir Canada
Sat 13/1210:45BNE - PDX
1 stop25h 45mAir Canada
Deal found 6/11$1,660
Mon 15/1210:45PDX - BNE
1 stop27h 35mDelta
Wed 24/1211:05BNE - PDX
1 stop25h 10mDelta
Deal found 5/11$1,719
Tue 18/1112:55PDX - BNE
2 stops24h 35mUnited Airlines
Thu 20/1111:40BNE - PDX
1 stop21h 06mUnited Airlines
Deal found 7/11$1,779
Sun 28/1206:20PDX - BNE
1 stop29h 25mQantas Airways
Wed 7/118:55BNE - PDX
2 stops36h 46mQantas Airways
Deal found 5/11$1,934

Cheap flight deals from Portland to Brisbane

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Brisbane (BNE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 November 2025.

Round-trip from

$1,317

Popular in

October

Cheapest in

February

Average price

$2,005
American Airlines
  • American Airlines
  • 5/2-9/2
  • 3 total stops
  • 53h 29m total
  • Portland to Brisbane
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($268 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($69 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portland to Brisbane that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Portland to Brisbane that are best for you.

Fly from

Portland

Fly to

Brisbane

Route

Depart

Return

Price

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 5/2

12:02-05:00

2 stops22h 58m

Brisbane

Mon 9/2

09:40-22:11

1 stop30h 31m

$1,317

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Fri 5/12

12:45-08:20

1 stop25h 35m

Brisbane

Fri 12/12

10:40-16:35

1 stop23h 55m

$1,333

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 16/3

17:10-07:20

1 stop21h 10m

Brisbane

Fri 20/3

09:40-19:29

1 stop26h 49m

$1,333

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 18/3

19:00-07:45

1 stop19h 45m

Brisbane

Fri 3/4

10:00-14:40

1 stop21h 40m

$1,334

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 1/3

19:11-08:20

2 stops43h 09m

Brisbane

Sun 15/3

09:40-19:29

1 stop26h 49m

$1,356

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 5/3

19:00-13:25

2 stops24h 25m

Brisbane

Thu 19/3

09:45-14:40

1 stop21h 55m

$1,360

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 20/12

18:40-07:30

2 stops42h 50m

$2,014

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 20/12

15:15-08:45

1 stop23h 30m

$2,767

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Best time to book a flight from Portland to Brisbane

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

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

Use this chart to determine the optimal time to book a return flight from Portland to Brisbane. Price data was last updated on 31 October 2025.

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Brisbane. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, December is the cheapest month in which you can book a flight from Portland to Brisbane (average of $702). Flying from Portland to Brisbane in October is currently the most expensive (average of $2,088). 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.

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

Find hourly flight availability from Portland to Brisbane. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

When flying from Portland to Brisbane, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 34% versus a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Portland to Brisbane. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Brisbane?

    Departing from Portland to Brisbane will take you 19h 45m. Airlines will cover a distance of 11719 km. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Portland to Brisbane?

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

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

    Yes. Cheapflights offers flight deals from Portland to Brisbane 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 Portland to Brisbane?

    Currently, December is the cheapest month in which you can book a flight from Portland to Brisbane (average of $702). Flying from Portland to Brisbane in October is currently the most expensive (average of $2,088). 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

Travelling to a place near Brisbane?

Book flights to Brisbane if you plan to visit one of these locations
Ipswich
Caboolture
Redcliffe

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.

Alternative routes for Portland to Brisbane

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Coolangatta flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Portland to Brisbane, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland to Brisbane.

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

Need flexible booking options for your flight to Brisbane from Portland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Brisbane from Portland today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.