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Cheap flights from Portland to Brisbane from $836

PDX — BNE
31 Oct — 7 Nov1
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 29/9$1,461
Sun 18/1015:30 -
1 stop22h 35m
Sun 1/1110:45 -
1 stop25h 46m
Deal found 30/9$1,477
Tue 20/1015:30 -
1 stop22h 35m
Tue 3/1106:10 -
2 stops21h 16m
Deal found 30/9$1,505
Wed 11/1110:00 -
1 stop28h 45m
Wed 18/1110:45 -
1 stop21h 56m
Deal found 27/9$1,515
Sun 15/1119:10 -
2 stops24h 15m
Sun 22/1106:35 -
2 stops26h 06m
Deal found 1/10$1,538
Wed 11/1119:10 -
1 stop19h 35m
Wed 18/1106:10 -
2 stops21h 16m
Deal found 27/9$1,558
Wed 18/1115:15 -
1 stop23h 30m
Thu 26/1110:45 -
1 stop21h 56m
Deal found 27/9$1,570
Mon 2/1119:15 -
2 stops23h 20m
Mon 16/1106:10 -
2 stops21h 16m
Deal found 27/9$1,588
Sat 31/1014:53 -
2 stops26h 22m
Sun 8/1111:25 -
2 stops29h 53m
Deal found 30/9$1,593
Wed 18/1115:15 -
1 stop23h 30m
Thu 26/1106:05 -
2 stops21h 21m
Deal found 27/9$1,613
Sat 17/1010:10 -
1 stop27h 55m
Sat 31/1009:45 -
1 stop21h 56m
Deal found 29/9$1,623

Find flight deals from Portland to Brisbane

Round-trip from

$1,461

One-way from

$836

Popular in

July

Cheapest in

June

Average price

$1,623
Air Canada
  • Air Canada
  • 20/10-3/11
  • 2 total stops
  • 44h 36m total
  • Portland to Brisbane
Search Deals
11/11-31/12
  • 11/11-31/12
  • 2 total stops
  • 42h 20m total
  • Portland to Brisbane
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($80 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($60 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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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

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Tue 24/11

18:29-05:50

1 stop41h 21m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$868

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Tue 10/11

13:35-05:50

1 stop22h 15m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$912
Fastest return journey

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 7/11

19:10-08:45

1 stop19h 35m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$915

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Wed 11/11

19:10-08:45

1 stop19h 35m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$921

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 7/11

06:51-06:30

2 stops29h 39m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$927

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Wed 11/11

11:54-22:30

3 stops40h 36m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$938

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 7/11

11:54-10:15

3 stops28h 21m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$1,110

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Wed 16/12

10:30-06:50

3 stops50h 20m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$1,424

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 23/1

14:34-05:50

1 stop21h 16m

Brisbane

Sun 23/5

13:05-16:27

1 stop20h 22m

$1,640

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 6/2

15:30-07:30

1 stop22h 00m

Brisbane

Sun 21/2

11:20-18:26

1 stop25h 06m

$1,657

Flights are sorted by cheapest return flights first.

Deals found on 28/9

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 $1,201). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,995). 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 typical for this route at the moment.

Portland to Brisbane flights typically cost between $1,407 and $2,021 in October.
The cheapest return price found within the last 5 days was $1,461 on Air Canada (20 Oct–3 Nov).

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
10,270 reviews
Check prices

Food

6.7

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
United Airlines
7.4
Good
10,270 reviews
United Airlines
7.4
Good
10,270 reviews
Check prices

Food

6.7

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

  • How long is the flight from Portland to Brisbane?

    Departing from Portland to Brisbane will take you 22h. Airlines will cover a distance of 11719 km.

  • 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 $739. 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 $1,201). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,995). 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$739Average$1,591FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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