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$433+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BNE
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap 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 February 19, 2026.

This Air Canada deal was found by Cheapflights users on 2/16. 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.
Thu 3/53:15 pm
PDX
-
BNE
1 stop23h 30m
Air Canada
Thu 3/199:45 am
BNE
-
PDX
1 stop16h 30m
Air Canada
Deal found 2/16$752
This Air Canada deal was found by Cheapflights users on 2/18. 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.
Mon 4/69:50 am
PDX
-
BNE
1 stop28h 15m
Air Canada
Fri 4/1710:00 am
BNE
-
PDX
1 stop25h 30m
Air Canada
Deal found 2/18$808
This Air Canada deal was found by Cheapflights users on 2/17. 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.
Sat 10/317:10 pm
PDX
-
BNE
1 stop19h 35m
Air Canada
Sun 11/810:45 am
BNE
-
PDX
1 stop16h 40m
Air Canada
Deal found 2/17$818
This Air Canada deal was found by Cheapflights users on 2/17. 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.
Mon 6/13:25 pm
PDX
-
BNE
1 stop22h 40m
Air Canada
Mon 6/810:00 am
BNE
-
PDX
1 stop21h 45m
Air Canada
Deal found 2/17$820
This Air Canada deal was found by Cheapflights users on 2/15. 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.
Thu 3/57:05 pm
PDX
-
BNE
2 stops24h 20m
Multiple Airlines
Thu 3/199:45 am
BNE
-
PDX
1 stop21h 55m
Multiple Airlines
Deal found 2/15$822
This Air Canada deal was found by Cheapflights users on 2/17. 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.
Sat 4/259:50 am
PDX
-
BNE
1 stop28h 15m
Air Canada
Sun 5/1010:00 am
BNE
-
PDX
1 stop16h 30m
Air Canada
Deal found 2/17$833
This Air Canada deal was found by Cheapflights users on 2/19. 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.
Sat 2/219:50 am
PDX
-
BNE
1 stop28h 55m
Multiple Airlines
Sun 3/110:55 pm
BNE
-
PDX
2 stops28h 20m
Multiple Airlines
Deal found 2/19$839
This BusinessClass deal was found by Cheapflights users on 2/17. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:30 pm
PDX
-
BNE
1 stop22h 35m
Multiple Airlines
Tue 10/275:05 am
BNE
-
PDX
2 stops21h 20m
Multiple Airlines
Deal found 2/17$845
This Air Canada deal was found by Cheapflights users on 2/19. 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.
Sat 2/217:05 pm
PDX
-
BNE
1 stop19h 40m
Air Canada
Sun 3/110:45 am
BNE
-
PDX
1 stop16h 30m
Air Canada
Deal found 2/19$855

Find 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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$752
(Air Canada)

One-way from

$433
(Booking.com)

Popular in

October

Cheapest in

January

Average price

$978
Provider with most accurate pricing for Portland-Brisbane flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Brisbane flights.
Search Deals
From Portland to Brisbane
Search Deals
One-way flight from Portland to Brisbane
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 19, 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

Thu 3/5

3:15 pm-8:45 am

1 stop23h 30m

Brisbane

Thu 3/19

9:45 am-2:40 pm

1 stop21h 55m

$804

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 5/13

3:25 pm-7:05 am

1 stop22h 40m

Brisbane

Wed 5/27

10:00 am-2:45 pm

1 stop21h 45m

$808

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 5/3

3:25 pm-7:05 am

1 stop22h 40m

Brisbane

Sun 5/17

10:00 am-7:05 pm

1 stop26h 05m

$808

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 6/1

3:25 pm-7:05 am

1 stop22h 40m

Brisbane

Mon 6/8

10:00 am-2:45 pm

1 stop21h 45m

$820

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 6/30

7:45 pm-7:05 am

1 stop18h 20m

Brisbane

Tue 8/4

10:00 am-2:51 pm

1 stop21h 51m

$820

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 6/15

3:25 pm-7:05 am

1 stop22h 40m

Brisbane

Tue 7/7

10:00 am-2:51 pm

1 stop21h 51m

$820

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 3/5

7:05 pm-1:25 pm

2 stops24h 20m

Brisbane

Thu 3/19

9:45 am-2:40 pm

1 stop21h 55m

$822

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 4/25

9:50 am-7:05 am

1 stop28h 15m

Brisbane

Sun 5/10

10:00 am-9:30 am

1 stop16h 30m

$833

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 4/21

9:50 am-7:05 am

1 stop28h 15m

Brisbane

Tue 5/19

10:00 am-7:05 pm

1 stop26h 05m

$834

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 6/1

7:45 pm-11:30 am

2 stops22h 45m

Brisbane

Mon 6/8

10:00 am-9:30 am

1 stop16h 30m

$857

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 19 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Brisbane flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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 $513). Flying from Portland to Brisbane in October is currently the most expensive (average of $1,416). 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.

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 February 19, 2026.
See what other customers who have flown with Qantas Airways, United Airlines, and American Airlines 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
995 reviews

Food

7.0

Crew

8.1

Comfort

7.4

Boarding

7.7

Entertainment

7.2

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qantas Airways
7.5
Good
995 reviews
Qantas Airways
7.5
Good
995 reviews

Food

7.0

Crew

8.1

Comfort

7.4

Boarding

7.7

Entertainment

7.2

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
United Airlines
7.4
Good
9,324 reviews
Qantas Airways
7.5
Good
995 reviews

Food

7.0

Crew

8.1

Comfort

7.4

Boarding

7.7

Entertainment

7.2

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
American Airlines
7.2
Good
11,320 reviews
Qantas Airways
7.5
Good
995 reviews

Food

7.0

Crew

8.1

Comfort

7.4

Boarding

7.7

Entertainment

7.2

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Air Canada
7.1
Good
10,732 reviews
Qantas Airways
7.5
Good
995 reviews

Food

7.0

Crew

8.1

Comfort

7.4

Boarding

7.7

Entertainment

7.2

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

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 23h 30m. 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 American Airlines. Our recent data shows that you can find tickets from as low as $855 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at $868 and $940 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 $513). Flying from Portland to Brisbane in October is currently the most expensive (average of $1,416). 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

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
Eugene to Brisbane flights
Portland to Townsville flights

Top 4 airlines flying from Portland to Brisbane

Discover the top 4 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$855Average$1,142FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$868Average$1,112FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$940Average$1,156FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$957Average$1,694FlexibilityNo cancel feeOn-time74%

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