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$735+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BNE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Brisbane are usually found in February or March, booked 29 days in advance, depart on a Wednesday or Sunday and return on a Monday

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 September 11, 2025.

Round-trip from

$977
(United Airlines)

One-way from

$735
(Gurufare)

Popular in

November

Cheapest in

February

Average price

$1,378
From Portland to Brisbane
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One-way flight from Portland to Brisbane
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Highest demand for flights based on searches. 13% potential increase in price ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:35 pmPDX - BNE
1 stop17h 55mUnited Airlines
Fri 10/3110:40 amBNE - PDX
1 stop17h 13mUnited Airlines
Deal found 9/10$977
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/103:50 pmPDX - BNE
1 stop21h 40mUnited Airlines
Fri 10/1710:30 amBNE - PDX
1 stop16h 44mUnited Airlines
Deal found 9/11$978
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:25 pmPDX - BNE
2 stops43h 05mUnited Airlines
Thu 10/1610:30 amBNE - PDX
2 stops29h 16mUnited Airlines
Deal found 9/9$996
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:27 pmPDX - BNE
2 stops43h 03mUnited Airlines
Thu 9/2510:30 amBNE - PDX
1 stop19h 12mUnited Airlines
Deal found 9/11$997
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Sun 9/143:25 pmPDX - BNE
1 stop22h 40mAir Canada
Tue 9/3010:20 amBNE - PDX
1 stop16h 01mAir Canada
Deal found 9/11$1,040
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Mon 12/157:00 pmPDX - BNE
2 stops42h 00mAir Canada
Wed 12/2410:45 amBNE - PDX
1 stop16h 30mAir Canada
Deal found 9/9$1,048
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:00 amPDX - BNE
2 stops32h 30mUnited Airlines
Wed 12/2411:40 amBNE - PDX
1 stop29h 06mUnited Airlines
Deal found 9/10$1,079
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/33:54 pmPDX - BNE
1 stop21h 36mUnited Airlines
Sat 11/811:40 amBNE - PDX
1 stop24h 56mUnited Airlines
Deal found 9/10$1,112
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Mon 9/153:25 pmPDX - BNE
1 stop22h 40mAir Canada
Tue 9/3010:20 amBNE - PDX
1 stop16h 01mAir Canada
Deal found 9/11$1,114

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 September 11, 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

Sat 2/21

1:35 pm-7:30 am

1 stop23h 55m

Brisbane

Sat 3/14

10:40 am-12:27 pm

1 stop18h 47m

$977

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Fri 11/7

7:38 pm-7:30 am

1 stop17h 52m

Brisbane

Fri 11/21

11:40 am-2:46 pm

1 stop21h 06m

$977

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 10/23

7:35 pm-6:30 am

1 stop17h 55m

Brisbane

Fri 10/31

10:40 am-10:53 am

1 stop17h 13m

$977

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Fri 10/10

3:50 pm-6:30 am

1 stop21h 40m

Brisbane

Fri 10/17

10:30 am-10:14 am

1 stop16h 44m

$978

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 2/21

9:50 am-8:45 am

1 stop28h 55m

Brisbane

Sun 3/1

10:45 am-2:45 pm

1 stop22h 00m

$982

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 10/25

1:02 pm-6:30 am

2 stops24h 28m

Brisbane

Sat 11/1

10:40 am-5:52 pm

2 stops24h 12m

$982

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 10/1

10:30 am-11:05 pm

2 stops43h 35m

$735

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 10/1

2:50 pm-5:25 am

1 stop21h 35m

$896

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Brisbane, you should look to book at least 29 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, March is the cheapest month in which you can book a flight from Portland to Brisbane (average of $1,013). Flying from Portland to Brisbane in December is currently the most expensive (average of $1,627). 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 September 11, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 63% on flights from Portland to Brisbane by exploring options for tickets in the morning.

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 September 11, 2025.
See what other customers who have flown with Delta, Qantas Airways, and United 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.
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qantas Airways
7.5
Good
905 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 23h 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 Delta. Our recent data shows that you can find tickets from as low as $456 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at $872 and $928 round-trip. These flights start at 64% 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, March is the cheapest month in which you can book a flight from Portland to Brisbane (average of $1,013). Flying from Portland to Brisbane in December is currently the most expensive (average of $1,627). 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.
Eugene to Brisbane flights
Portland to Townsville flights
Portland to Coolangatta 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$456Average$1,187FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$872Average$1,268FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$928Average$1,224FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$980Average$1,687FlexibilityNo cancel feeOn-time74%

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