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Cheap flights from Portland to Brisbane from $797

PDX — BNE
21 Sep — 28 Sep1
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

Tue 20/1010:10 -
1 stop27h 55m
Tue 3/1110:45 -
1 stop16h 41m
Deal found 18/8$1,338
Tue 20/1015:30 -
1 stop22h 35m
Tue 3/1106:10 -
2 stops21h 16m
Deal found 18/8$1,380
Mon 2/1119:10 -
1 stop19h 35m
Mon 16/1106:10 -
2 stops21h 16m
Deal found 22/8$1,382
Tue 22/919:45 -
1 stop18h 20m
Tue 20/1019:45 -
2 stops30h 46m
Deal found 19/8$1,386
Sun 18/1019:45 -
1 stop18h 20m
Fri 30/1009:45 -
1 stop16h 41m
Deal found 20/8$1,390
Tue 22/910:10 -
1 stop27h 55m
Tue 20/1005:15 -
2 stops21h 16m
Deal found 19/8$1,411
Sat 31/1019:10 -
2 stops25h 20m
Sun 8/1106:10 -
2 stops21h 16m
Deal found 22/8$1,458

Find flight deals from Portland to Brisbane

Round-trip from

$1,338

One-way from

$797

Popular in

July

Cheapest in

June

Average price

$1,567
Air Canada
  • Air Canada
  • 8/2-22/2
  • 2 total stops
  • 36h 16m total
  • Portland to Brisbane
Search Deals
29/1
  • 29/1
  • 2 total stops
  • 31h 50m total
  • Portland to Brisbane
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($83 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($57 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
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 return flight
Fastest return journey

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 8/2

19:10-08:45

1 stop19h 35m

Brisbane

Mon 22/2

10:45-09:26

1 stop16h 41m

$1,338

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Tue 20/10

10:10-07:05

1 stop27h 55m

Brisbane

Tue 3/11

10:45-09:26

1 stop16h 41m

$1,338

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 31/10

19:10-08:45

1 stop20h 35m

Brisbane

Sun 8/11

06:10-09:26

2 stops21h 16m

$1,380

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 6/2

15:15-17:10

2 stops31h 55m

Brisbane

Thu 25/2

06:10-09:26

2 stops21h 16m

$1,481

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 23/1

19:49-07:30

1 stop17h 41m

Brisbane

Sun 18/4

10:30-12:25

1 stop18h 55m

$1,571

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 21/9

19:15-06:30

1 stop18h 15m

Brisbane

Tue 20/10

10:30-12:05

1 stop18h 35m

$1,571

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 21/9

12:45-06:30

2 stops24h 45m

Brisbane

Wed 21/10

10:30-17:46

2 stops24h 16m

$1,578

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 23/1

08:45-07:30

2 stops28h 45m

Brisbane

Sun 23/5

10:30-14:27

1 stop20h 57m

$1,578
Cheapest one-way

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Wed 27/1

07:00-13:35

2 stops36h 35m

$843

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sun 24/1

19:10-08:45

1 stop19h 35m

$853

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 18 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

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 $1,161). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,929). 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 for a return flight from Portland to Brisbane?

Airfare is below average for this route at the moment.

Portland to Brisbane flights typically cost between $1,494 and $1,775 in February.
The cheapest return price found within the last 5 days was $1,338 on Air Canada (8 Feb–22 Feb).

Reviews of airlines servicing Brisbane

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
10,112 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
United Airlines
7.4
Good
10,112 reviews
United Airlines
7.4
Good
10,112 reviews
Check prices

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.7

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!

Related info for your journey

  • How long is the flight from Portland to Brisbane?

    Departing from Portland to Brisbane will take you 17h 41m. 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 $715. United Airlines is priced at 52% 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, June is the cheapest month in which you can book a flight from Portland to Brisbane (average of $1,161). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,929). 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

Alternative routes for Portland to Brisbane

Portland to Coolangatta flights

Top airline flying from Portland to Brisbane

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$715Average$1,539FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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