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$394+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BNE
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
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 March 16, 2026.

This Air Canada deal was found by Cheapflights users on 3/15. 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.
Tue 10/273:15 pm
PDX
-
BNE
1 stop23h 30m
Air Canada
Tue 11/1010:45 am
BNE
-
PDX
1 stop25h 45m
Air Canada
Deal found 3/15$808
This Air Canada deal was found by Cheapflights users on 3/16. 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.
Sun 5/310:10 am
PDX
-
BNE
1 stop27h 55m
Air Canada
Sun 5/1710:00 am
BNE
-
PDX
1 stop16h 30m
Air Canada
Deal found 3/16$822
This Air Canada deal was found by Cheapflights users on 3/15. 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.
Tue 10/277:10 pm
PDX
-
BNE
1 stop19h 35m
Multiple Airlines
Tue 11/106:10 am
BNE
-
PDX
2 stops21h 15m
Multiple Airlines
Deal found 3/15$836
This Air Canada deal was found by Cheapflights users on 3/16. 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.
Sat 10/317:10 pm
PDX
-
BNE
1 stop19h 35m
Multiple Airlines
Sun 11/86:10 am
BNE
-
PDX
2 stops21h 15m
Multiple Airlines
Deal found 3/16$850
This Air Canada deal was found by Cheapflights users on 3/16. 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.
Wed 5/133:30 pm
PDX
-
BNE
1 stop22h 35m
Multiple Airlines
Wed 5/277:25 pm
BNE
-
PDX
2 stops31h 05m
Multiple Airlines
Deal found 3/16$852
This Air Canada deal was found by Cheapflights users on 3/14. 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 4/137:05 pm
PDX
-
BNE
2 stops23h 55m
Multiple Airlines
Mon 4/208:40 pm
BNE
-
PDX
2 stops29h 30m
Multiple Airlines
Deal found 3/14$876
This Air Canada deal was found by Cheapflights users on 3/13. 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 4/277:05 pm
PDX
-
BNE
2 stops23h 25m
Multiple Airlines
Mon 5/47:25 pm
BNE
-
PDX
2 stops31h 05m
Multiple Airlines
Deal found 3/13$877
This Air Canada deal was found by Cheapflights users on 3/11. 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 9/107:45 pm
PDX
-
BNE
2 stops23h 20m
Multiple Airlines
Sun 9/2710:00 am
BNE
-
PDX
1 stop16h 31m
Multiple Airlines
Deal found 3/11$924

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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$822
(Air Canada)

One-way from

$394
(Trip.com)

Popular in

December

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
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 16, 2026.
Use the filters below to find and compare flights from Portland to Brisbane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 9/9

10:10 am-7:05 am

1 stop27h 55m

Brisbane

Wed 9/30

8:15 pm-9:31 am

2 stops30h 16m

$965

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 7/5

1:17 pm-6:30 am

1 stop24h 13m

Brisbane

Sun 7/12

10:30 am-10:20 am

1 stop16h 50m

$1,077
Quickest round-trip

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 8/12

7:13 pm-6:30 am

1 stop18h 17m

Brisbane

Wed 8/26

10:30 am-12:07 pm

1 stop18h 37m

$1,077

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 8/4

10:40 pm-6:30 am

2 stops38h 50m

Brisbane

Tue 8/18

10:30 am-10:12 am

1 stop16h 42m

$1,082

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 4/29

12:50 pm-6:30 am

2 stops24h 40m

Brisbane

Wed 5/6

10:30 am-9:09 pm

2 stops27h 39m

$1,082

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 8/3

8:50 am-6:30 am

2 stops28h 40m

Brisbane

Tue 8/18

10:30 am-10:12 am

1 stop16h 42m

$1,082

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 5/13

8:40 am-6:30 am

2 stops28h 50m

Brisbane

Wed 5/27

10:30 am-5:44 pm

2 stops24h 14m

$1,082
Cheapest one-way
Quickest one-way

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 5/7

5:31 pm-10:40 am

2 stops24h 09m

$394

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 4/6

9:50 am-7:05 am

1 stop28h 15m

$469

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 5/14

7:45 pm-1:05 pm

2 stops24h 20m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 13 resultsSorted by cheapest first
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 March.
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 July is currently the most expensive (average of $1,264). 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 March 16, 2026.
See what other customers who have flown with Qantas Airways,United Airlines, andAmerican 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
1,004 reviews

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

7.2

Crew

8.1

Boarding

7.7

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
1,004 reviews
Qantas Airways
7.5
Good
1,004 reviews

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

7.2

Crew

8.1

Boarding

7.7

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
9,428 reviews
Qantas Airways
7.5
Good
1,004 reviews

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

7.2

Crew

8.1

Boarding

7.7

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
7.1
Good
11,467 reviews
Qantas Airways
7.5
Good
1,004 reviews

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

7.2

Crew

8.1

Boarding

7.7

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
10,805 reviews
Qantas Airways
7.5
Good
1,004 reviews

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

7.2

Crew

8.1

Boarding

7.7

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?

    United Airlines can get you from Portland to Brisbane in just under 24h 13m. 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 Air Canada. Our recent data shows that you can find tickets from as low as $795 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $855 and $868 round-trip. These flights start at 30% 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 July is currently the most expensive (average of $1,264). 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 Townsville flights
Eugene to Brisbane 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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$795Average$1,143FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$855Average$1,140FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$868Average$1,118FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$957Average$1,694FlexibilityNo cancel feeOn-time74%

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