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$406+ Cheap flights from Portland (PDX) to Brisbane (BNE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BNE
feb. 5 — feb. 121
jue. 2/5
jue. 2/12
1 adult, Economy
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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 enero 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$797
(Air Canada)

One-way from

$406
(Priceline)

Popular in

October

Cheapest in

January

Average price

$868
Provider with most accurate pricing for Portland-Brisbane flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Brisbane flights.
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From Portland to Brisbane
Search Deals
One-way flight from Portland to Brisbane
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Portland to Brisbane

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 enero 6, 2026.

This Air Canada deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/213:15 pmPDX - BNE
1 stop23h 30mAir Canada
dom. 3/110:45 amBNE - PDX
1 stop16h 30mAir Canada
Deal found 1/5$797
This Air Canada deal was found by Cheapflights users on 1/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/197:05 pmPDX - BNE
1 stop19h 40mAir Canada
jue. 2/2610:45 amBNE - PDX
1 stop16h 30mAir Canada
Deal found 1/4$801
This Air Canada deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/57:05 pmPDX - BNE
2 stops24h 20mMultiple Airlines
jue. 3/199:45 amBNE - PDX
1 stop25h 45mMultiple Airlines
Deal found 1/5$814
This FlightHub deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/217:05 pmPDX - BNE
2 stops26h 25mMultiple Airlines
dom. 3/110:45 amBNE - PDX
1 stop21h 55mMultiple Airlines
Deal found 1/6$815
This Air Canada deal was found by Cheapflights users on 1/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/197:05 pmPDX - BNE
2 stops25h 15mMultiple Airlines
jue. 2/2610:45 amBNE - PDX
1 stop25h 45mMultiple Airlines
Deal found 1/4$818
This Air Canada deal was found by Cheapflights users on 1/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/183:15 pmPDX - BNE
1 stop23h 30mAir Canada
mié. 2/2510:45 amBNE - PDX
1 stop21h 55mAir Canada
Deal found 1/4$835
This FlightHub deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/183:15 pmPDX - BNE
2 stops27h 15mMultiple Airlines
mié. 4/110:00 amBNE - PDX
1 stop25h 30mMultiple Airlines
Deal found 1/5$853
This Air Canada deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/89:50 amPDX - BNE
1 stop28h 55mAir Canada
jue. 2/1210:45 amBNE - PDX
1 stop25h 45mAir Canada
Deal found 1/5$858
This FlightHub deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/313:15 pmPDX - BNE
1 stop23h 30mAir Canada
dom. 11/810:45 amBNE - PDX
1 stop16h 40mAir Canada
Deal found 1/5$873

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated enero 6, 2026.
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

jue. 3/5

9:50 am-8:45 am

1 stop28h 55m

Brisbane

jue. 3/19

9:45 am-6:30 pm

1 stop25h 45m

$797

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

jue. 3/5

7:05 pm-1:25 pm

2 stops24h 20m

Brisbane

jue. 3/19

9:45 am-2:40 pm

1 stop21h 55m

$814

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

sáb. 2/21

7:05 pm-3:30 pm

2 stops26h 25m

Brisbane

dom. 3/1

10:45 am-9:15 am

1 stop16h 30m

$815

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

mié. 3/18

3:15 pm-7:45 am

1 stop23h 30m

Brisbane

mié. 4/1

10:00 am-6:30 pm

1 stop25h 30m

$835

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

mié. 3/18

3:15 pm-11:30 am

2 stops27h 15m

Brisbane

mié. 4/1

10:00 am-6:30 pm

1 stop25h 30m

$853

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

dom. 2/8

9:50 am-8:45 am

1 stop28h 55m

Brisbane

jue. 2/12

10:45 am-6:30 pm

1 stop25h 45m

$858

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

jue. 2/19

7:05 pm-2:20 pm

2 stops25h 15m

Brisbane

jue. 2/26

6:10 am-9:15 am

2 stops21h 05m

$872

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

lun. 4/6

7:05 pm-7:05 am

1 stop19h 00m

Brisbane

vie. 4/17

10:00 am-2:40 pm

1 stop21h 40m

$890

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

mié. 2/25

3:15 pm-8:45 am

1 stop23h 30m

$406

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

mié. 2/25

7:05 pm-4:30 pm

2 stops27h 25m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 15 results
1
2

Compare providers for flights from Portland to Brisbane

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Brisbane in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Brisbane flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Brisbane flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-Brisbane flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Brisbane flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Brisbane flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Portland to Brisbane. Price data was last updated on January 2, 2026.

To ensure you get the cheapest price possible for a flight from Portland to Brisbane, you should look to book at least 45 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Portland to Brisbane (average of $802). Flying from Portland to Brisbane in October is currently the most expensive (average of $1,565). 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 much does it cost to fly round-trip from Portland to Brisbane?

Reviews of airlines servicing Brisbane

Get insights into the airlines that provide service to Brisbane. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Brisbane. Reviews last updated enero 6, 2026.
See what other customers who have flown with Qantas Airways, United Airlines, and Air Canada from Portland to Brisbane have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
967 reviews

Comfort

7.5

Crew

8.1

Food

7.0

Overall

7.5

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
967 reviews
Qantas Airways
7.5
Good
967 reviews

Comfort

7.5

Crew

8.1

Food

7.0

Overall

7.5

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
United Airlines
7.4
Good
9,134 reviews
Qantas Airways
7.5
Good
967 reviews

Comfort

7.5

Crew

8.1

Food

7.0

Overall

7.5

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Air Canada
7.1
Good
10,597 reviews
Qantas Airways
7.5
Good
967 reviews

Comfort

7.5

Crew

8.1

Food

7.0

Overall

7.5

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

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?

    Air Canada can get you from Portland to Brisbane in just under 28h 55m. Your travel time can differ by up to . The distance between Portland and Brisbane is about 7282 mi.

  • What are the cheapest airlines flying from Portland to Brisbane round-trip?

    Our cheapest airline available from Portland to Brisbane is United Airlines. Our recent data shows that you can find tickets from as low as $871 on this airline. Additional options worth looking into are Air Canada and Qantas Airways, starting at $961 and $980 round-trip. These flights start at 26% lower than the current average price 3 months from now.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Portland to Brisbane (average of $802). Flying from Portland to Brisbane in October is currently the most expensive (average of $1,565). 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

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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
Eugene to Brisbane flights
Portland to Townsville flights

Top 3 airlines flying from Portland to Brisbane

Discover the top 3 airlines that operate flights from Portland to Brisbane. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$871Average$992FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$961Average$1,148FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$980Average$1,863FlexibilityNo cancel feeOn-time74%

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