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Cheap flights from Portland to Brisbane from $622

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BNE
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to Brisbane

Enter your travel dates to find the best prices.

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 26 February 2026.

Sat 31/1015:15
PDX
-
BNE
1 stop23h 30m
Air Canada
Sun 8/1110:45
BNE
-
PDX
1 stop21h 55m
Air Canada
Deal found 23/2$1,147
Sun 3/510:10
PDX
-
BNE
1 stop27h 55m
Air Canada
Sun 17/510:00
BNE
-
PDX
1 stop16h 30m
Air Canada
Deal found 26/2$1,173
Wed 8/415:15
PDX
-
BNE
1 stop22h 50m
Air Canada
Wed 15/410:00
BNE
-
PDX
1 stop16h 10m
Air Canada
Deal found 22/2$1,201
Tue 21/419:05
PDX
-
BNE
2 stops24h 00m
Multiple Airlines
Tue 5/510:00
BNE
-
PDX
1 stop16h 30m
Multiple Airlines
Deal found 25/2$1,215
Tue 13/1019:45
PDX
-
BNE
2 stops22h 45m
Multiple Airlines
Tue 27/1009:45
BNE
-
PDX
1 stop25h 45m
Multiple Airlines
Deal found 24/2$1,221
Mon 6/409:50
PDX
-
BNE
1 stop28h 15m
Air Canada
Fri 17/410:00
BNE
-
PDX
1 stop21h 40m
Air Canada
Deal found 23/2$1,239
Sat 31/1010:05
PDX
-
BNE
1 stop28h 40m
Multiple Airlines
Sun 8/1106:10
BNE
-
PDX
2 stops21h 15m
Multiple Airlines
Deal found 26/2$1,259
Tue 30/619:45
PDX
-
BNE
1 stop18h 20m
Air Canada
Tue 4/810:00
BNE
-
PDX
1 stop26h 06m
Air Canada
Deal found 25/2$1,266

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 26 February 2026.

Round-trip from

$1,149

One-way from

$622

Popular in

October

Cheapest in

January

Average price

$1,377
Air Canada
  • Air Canada
  • 11/3-18/3
  • 2 total stops
  • 36h 10m total
  • Portland to Brisbane
Search Deals
14/5
  • 14/5
  • 2 total stops
  • 31h 47m total
  • Portland to Brisbane
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($157 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($69 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 26 February 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

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 1/6

11:59-05:00

2 stops24h 01m

Brisbane

Wed 10/6

20:35-09:59

2 stops30h 24m

$1,322

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 8/3

08:30-06:30

2 stops29h 00m

Brisbane

Thu 12/3

10:40-12:33

1 stop18h 53m

$1,343

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 13/5

05:00-06:30

2 stops32h 30m

Brisbane

Wed 27/5

10:30-22:53

2 stops29h 23m

$1,343

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 3/5

05:00-06:30

2 stops32h 30m

Brisbane

Sun 17/5

10:30-22:54

2 stops29h 24m

$1,343

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 21/4

23:59-06:30

2 stops37h 31m

Brisbane

Tue 5/5

10:30-21:09

2 stops27h 39m

$1,343

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 8/4

17:35-06:30

1 stop19h 55m

Brisbane

Wed 15/4

10:30-18:07

1 stop24h 37m

$1,353

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 30/6

23:40-06:30

2 stops37h 50m

Brisbane

Tue 4/8

10:30-10:20

1 stop16h 50m

$1,360

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 14/5

09:53-10:40

2 stops31h 47m

$622

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 2/6

19:45-07:05

1 stop18h 20m

$632

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 2/6

10:30-10:40

2 stops31h 10m

$650

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 return 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 $722). Flying from Portland to Brisbane in October is currently the most expensive (average of $1,994). 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 26 February 2026.
Check out reviews from past customers who have flown with United Airlines from Portland to Brisbane to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,348 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,348 reviews
United Airlines
7.4
Good
9,348 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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?

    Departing from Portland to Brisbane will take you 24h 01m. Airlines will cover a distance of 11719 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Portland to Brisbane round-trip?

    Flying on United Airlines is currently your cheapest option to Brisbane, with prices starting at $722. United Airlines is priced at 56% lower than the current average price of a flight leaving 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 holiday 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 $722). Flying from Portland to Brisbane in October is currently the most expensive (average of $1,994). 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

Travelling to a place near Brisbane?

Book flights to Brisbane if you plan to visit one of these locations
Redcliffe
Ipswich
Caboolture

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 Coolangatta flights

Top airline flying from Portland to Brisbane

Discover the top airline 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 647,157 searches. Data last updated 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$722Average$1,377FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to Brisbane?

When you search for this flight from Portland to Brisbane, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Portland to Brisbane?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland to Brisbane.

Can Cheapflights find flights from Portland to Brisbane with no change fees?

Need flexible booking options for your flight to Brisbane from Portland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Portland to Brisbane become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Brisbane from Portland today and book when prices fit your budget.

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