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$602+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BNE
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
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 May 6, 2026.

This oojo deal was found by Cheapflights users on 5/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:20 am
PDX
-
BNE
1 stop28h 40m
Multiple Airlines
Sat 8/18:35 pm
BNE
-
PDX
1 stop20h 21m
Multiple Airlines
Deal found 5/4$1,098
This oojo deal was found by Cheapflights users on 5/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:20 am
PDX
-
BNE
1 stop28h 40m
Multiple Airlines
Fri 7/108:35 pm
BNE
-
PDX
1 stop20h 21m
Multiple Airlines
Deal found 5/1$1,106
This Qantas Airways deal was found by Cheapflights users on 5/4. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:39 pm
PDX
-
BNE
1 stop21h 21m
Multiple Airlines
Sat 9/58:35 pm
BNE
-
PDX
1 stop19h 04m
Multiple Airlines
Deal found 5/4$1,116
This Qantas Airways deal was found by Cheapflights users on 5/5. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:39 pm
PDX
-
BNE
1 stop21h 21m
Multiple Airlines
Fri 9/48:35 pm
BNE
-
PDX
1 stop19h 49m
Multiple Airlines
Deal found 5/5$1,117
This oojo deal was found by Cheapflights users on 5/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:30 am
PDX
-
BNE
1 stop25h 30m
Multiple Airlines
Sun 9/278:35 pm
BNE
-
PDX
1 stop18h 20m
Multiple Airlines
Deal found 5/1$1,125
This oojo deal was found by Cheapflights users on 5/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:00 am
PDX
-
BNE
1 stop29h 00m
Qantas Airways
Fri 7/108:35 pm
BNE
-
PDX
1 stop20h 21m
Qantas Airways
Deal found 5/4$1,133
This FlightHub deal was found by Cheapflights users on 5/5. 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.
Sat 10/316:00 pm
PDX
-
BNE
2 stops23h 35m
Multiple Airlines
Sun 11/811:25 am
BNE
-
PDX
2 stops23h 02m
Multiple Airlines
Deal found 5/5$1,134
This Qantas Airways deal was found by Cheapflights users on 5/4. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:36 pm
PDX
-
BNE
2 stops23h 29m
Qantas Airways
Sat 9/58:35 pm
BNE
-
PDX
1 stop19h 04m
Qantas Airways
Deal found 5/4$1,139
This FlightHub deal was found by Cheapflights users on 5/5. 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.
Thu 9/101:50 pm
PDX
-
BNE
1 stop22h 10m
Qantas Airways
Sun 9/278:35 pm
BNE
-
PDX
1 stop18h 20m
Qantas Airways
Deal found 5/5$1,143

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 May 6, 2026.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,098
(oojo)

One-way from

$602
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,162
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, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 6, 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

Sat 10/31

6:00 pm-10:35 am

2 stops23h 35m

Brisbane

Sun 11/8

11:25 am-8:31 pm

2 stops27h 06m

$1,134

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 8/24

2:50 pm-10:35 am

2 stops26h 45m

Brisbane

Tue 9/1

11:35 am-8:50 pm

2 stops26h 15m

$1,134

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 10/20

2:45 pm-5:00 am

1 stop21h 15m

Brisbane

Tue 11/3

1:10 pm-1:26 pm

1 stop18h 16m

$1,171

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 10/31

12:40 pm-6:30 am

2 stops24h 50m

Brisbane

Sun 11/8

11:40 am-6:31 pm

1 stop24h 51m

$1,212

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 6/3

8:00 am-11:25 pm

2 stops22h 25m

Brisbane

Sun 6/7

4:00 pm-8:48 pm

2 stops21h 48m

$1,213
Quickest round-trip

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 6/3

6:03 pm-6:30 am

1 stop19h 27m

Brisbane

Sun 6/7

10:30 am-10:20 am

1 stop16h 50m

$1,228

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 5/17

1:41 pm-6:30 am

1 stop23h 49m

Brisbane

Sun 5/31

10:30 am-10:28 am

1 stop16h 58m

$1,228

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 9/10

11:15 pm-6:30 am

2 stops38h 15m

Brisbane

Sun 9/27

10:30 am-5:38 pm

2 stops24h 08m

$1,232
Cheapest one-way
Quickest one-way

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 7/27

5:08 pm-5:00 am

1 stop18h 52m

$646

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 5/14

7:45 pm-9:45 pm

2 stops33h 00m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

Showing 1-10 of 20 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Brisbane flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 $831). Flying from Portland to Brisbane in December is currently the most expensive (average of $1,448). 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 May 6, 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
1,033 reviews

Crew

8.1

Boarding

7.7

Food

7.0

Overall

7.5

Entertainment

7.2

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.
Qantas Airways
7.5
Good
1,033 reviews
Qantas Airways
7.5
Good
1,033 reviews

Crew

8.1

Boarding

7.7

Food

7.0

Overall

7.5

Entertainment

7.2

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.
United Airlines
7.4
Good
9,684 reviews
Qantas Airways
7.5
Good
1,033 reviews

Crew

8.1

Boarding

7.7

Food

7.0

Overall

7.5

Entertainment

7.2

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.
American Airlines
7.1
Good
11,668 reviews
Qantas Airways
7.5
Good
1,033 reviews

Crew

8.1

Boarding

7.7

Food

7.0

Overall

7.5

Entertainment

7.2

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.
Air Canada
7.1
Good
11,000 reviews
Qantas Airways
7.5
Good
1,033 reviews

Crew

8.1

Boarding

7.7

Food

7.0

Overall

7.5

Entertainment

7.2

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.

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 50m. 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 $784 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 29% 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 $831). Flying from Portland to Brisbane in December is currently the most expensive (average of $1,448). 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.
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 May 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$784Average$1,090FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$855Average$1,140FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$868Average$1,112FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$957Average$1,649FlexibilityNo cancel feeOn-time74%

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