$582+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BNE
Sep 24 — Oct 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Brisbane with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Brisbane
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to BrisbaneExplore 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 August 25, 2026.
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 August 25, 2026.
This Air Canada deal was found by Cheapflights users on 8/25. 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 10/2010:10 am -
1 stop27h 55m
Tue 11/310:45 am -
1 stop16h 41m
Deal found 8/25![Air Canada logo]()
$920
This Air Canada deal was found by Cheapflights users on 8/25. 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 8/317:45 pm -
1 stop18h 20m
Wed 11/1810:45 am -
1 stop21h 56m
Deal found 8/25![Air Canada logo]()
$921
This Air Canada deal was found by Cheapflights users on 8/25. 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 10/203:30 pm -
1 stop22h 35m
Tue 11/36:10 am -
2 stops21h 16m
Deal found 8/25![Multiple Airlines logo]()
$941
This Air Canada deal was found by Cheapflights users on 8/25. 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 8/317:45 pm -
1 stop18h 20m
Wed 11/186:10 am -
2 stops21h 16m
Deal found 8/25![Multiple Airlines logo]()
$942
This Air Canada deal was found by Cheapflights users on 8/25. 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 11/27:10 pm -
2 stops24h 15m
Mon 11/166:10 am -
2 stops21h 16m
Deal found 8/25![Multiple Airlines logo]()
$961
This FlightHub deal was found by Cheapflights users on 8/24. 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.
Sun 10/187:45 pm -
1 stop18h 20m
Sun 11/110:45 am -
1 stop21h 56m
Deal found 8/24![Air Canada logo]()
$970
This Air Canada deal was found by Cheapflights users on 8/25. 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 10/1710:10 am -
1 stop27h 55m
Sat 10/319:45 am -
1 stop21h 56m
Deal found 8/25![Air Canada logo]()
$995
Best flights from Portland to BrisbaneDiscover carefully curated flight deals from Portland to Brisbane that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Portland to Brisbane that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
This Air Canada deal was found by Cheapflights users on 8/25. 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 11/27:10 pm -
1 stop19h 35m
Mon 11/166:10 am -
2 stops21h 16m
Deal found 8/25![Multiple Airlines logo]()
$941
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:30 am -
1 stop29h 30m
Sun 9/278:35 pm -
1 stop18h 31m
Deal found 8/20![American Airlines logo]()
$1,123
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Sat 10/1711:30 pm -
2 stops38h 00m
Sat 10/3110:20 am -
1 stop25h 04m
Deal found 8/24![United Airlines logo]()
$1,132
This Air Canada deal was found by Cheapflights users on 8/22. 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 -
1 stop20h 35m
Sun 11/86:10 am -
2 stops21h 16m
Deal found 8/22![Multiple Airlines logo]()
$990
This Air Canada deal was found by Cheapflights users on 8/22. 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 10/203:30 pm -
1 stop22h 35m
Tue 11/36:10 am -
2 stops21h 16m
Deal found 8/22![Multiple Airlines logo]()
$990
Last-minute flights from Portland to BrisbaneDiscover last-minute flight deals from Portland to Brisbane. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Brisbane. Data last updated August 25, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 8/25. 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 8/317:45 pm -
1 stop18h 20m
Wed 11/1810:45 am -
1 stop21h 56m
Deal found 8/25![Air Canada logo]()
$921
This Air Canada deal was found by Cheapflights users on 8/25. 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 8/317:45 pm -
1 stop18h 20m
Wed 11/186:10 am -
2 stops21h 16m
Deal found 8/25![Multiple Airlines logo]()
$942
This Justfly.com deal was found by Cheapflights users on 8/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:45 pm -
2 stops25h 45m
Sun 9/2710:00 am -
1 stop26h 11m
Deal found 8/24![Air Canada logo]()
$1,095
This Air Canada deal was found by Cheapflights users on 8/24. 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 -
2 stops25h 45m
Sun 9/278:40 pm -
2 stops29h 51m
Deal found 8/24![Multiple Airlines logo]()
$1,115
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:01 pm -
2 stops23h 59m
Sun 9/278:35 pm -
1 stop18h 31m
Deal found 8/21![American Airlines logo]()
$1,120
One-way flights from Portland to BrisbaneSearch for one-way flight options from Portland to Brisbane. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
Search for one-way flight options from Portland to Brisbane. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This Trip.com deal was found by Cheapflights users on 8/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:03 am -
3 stops34h 02m
Deal found 8/24![Multiple Airlines logo]()
$582
This Air Canada deal was found by Cheapflights users on 8/24. 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 9/167:45 pm -
1 stop18h 20m
Deal found 8/24![Air Canada logo]()
$613
This Air Canada deal was found by Cheapflights users on 8/21. 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 9/157:45 pm -
1 stop18h 20m
Deal found 8/21![Air Canada logo]()
$616
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:37 am -
2 stops25h 23m
Deal found 8/21![Multiple Airlines logo]()
$671
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 August 25, 2026.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $920 (Air Canada) |
One-way from | $582 (Trip.com) |
Popular in | July |
Cheapest in | June |
Average price | $1,124 |
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 7,457,451 searches. Data last updated August 25, 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
Cheapest round-trip
Quickest round-trip
PortlandBrisbane
PDX Portland - BNE Brisbane
PDXBNE
Portland
Mon 11/2
7:10 pm-8:45 am
1 stop19h 35m
Brisbane
Mon 11/16
6:10 am-9:26 am
2 stops21h 16m
$941
PortlandBrisbane
PDX Portland - BNE Brisbane
PDXBNE
Portland
Sat 10/31
7:10 pm-8:45 am
1 stop20h 35m
Brisbane
Sun 11/8
6:10 am-9:26 am
2 stops21h 16m
$990
PortlandBrisbane
PDX Portland - BNE Brisbane
PDXBNE
Portland
Tue 10/20
3:30 pm-7:05 am
1 stop22h 35m
Brisbane
Tue 11/3
6:10 am-9:26 am
2 stops21h 16m
$990
PortlandBrisbane
PDX Portland - BNE Brisbane
PDXBNE
Portland
Thu 9/10
6:30 am-5:00 am
1 stop29h 30m
Brisbane
Sun 9/27
8:35 pm-10:06 pm
1 stop18h 31m
$1,123
PortlandBrisbane
PDX Portland - BNE Brisbane
PDXBNE
Portland
Sat 10/17
11:30 pm-6:30 am
2 stops38h 00m
Brisbane
Sat 10/31
10:20 am-6:24 pm
1 stop25h 04m
$1,132
Cheapest one-way
PortlandBrisbane
PDX Portland - BNE Brisbane
PDXBNE
Portland
Wed 9/16
7:03 am-10:05 am
3 stops34h 02m
$582
Quickest one-way
PortlandBrisbane
PDX Portland - BNE Brisbane
PDXBNE
Portland
Wed 9/16
7:45 pm-7:05 am
1 stop18h 20m
$613
PortlandBrisbane
PDX Portland - BNE Brisbane
PDXBNE
Portland
Tue 9/15
7:45 pm-7:05 am
1 stop18h 20m
$616
PortlandBrisbane
PDX Portland - BNE Brisbane
PDXBNE
Portland
Tue 9/15
10:37 am-5:00 am
2 stops25h 23m
$671
Sorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
PDX-BNE
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, June is the cheapest month in which you can book a flight from Portland to Brisbane (average of $833). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,384). 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?
Airfare is below average for this route at the moment.
Portland to Brisbane flights typically cost between $1,072 and $1,273 in October.The cheapest round-trip price found within the last 5 days was $920 on Air Canada (Oct 20-Nov 3).
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 August 25, 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.
Overall
7.5
Boarding
7.7
Food
7.0
Comfort
7.4
Entertainment
7.2
Crew
8.1
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Overall
7.5
Boarding
7.7
Food
7.0
Comfort
7.4
Entertainment
7.2
Crew
8.1
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Overall
7.5
Boarding
7.7
Food
7.0
Comfort
7.4
Entertainment
7.2
Crew
8.1
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Overall
7.5
Boarding
7.7
Food
7.0
Comfort
7.4
Entertainment
7.2
Crew
8.1
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Overall
7.5
Boarding
7.7
Food
7.0
Comfort
7.4
Entertainment
7.2
Crew
8.1
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
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.
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
Brisbane flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Popular flights
Alternative routes for Portland to Brisbane
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Brisbane
Explore flights to Brisbane departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 25, 2026.
Complete your trip
Complete your trip to Brisbane by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Brisbane by cabin class
Find flights from Portland to Brisbane, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Brisbane flights
Browse other Portland and Brisbane flight options. Last updated on August 25, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on August 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$372 | Average$1,052 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$855 | Average$981 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$868 | Average$1,126 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$957 | Average$2,591 | FlexibilityNo cancel fee | On-time74% |