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Cheap flights from Portland to Brisbane from $788

PDX — BNE
20 Oct — 27 Oct1
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

Sat 31/1010:05 -
1 stop29h 40m
Sat 7/1110:45 -
1 stop25h 46m
Deal found 15/9$1,257
Mon 2/1110:00 -
1 stop28h 45m
Mon 9/1110:45 -
1 stop21h 56m
Deal found 18/9$1,291
Sat 31/1010:05 -
1 stop29h 40m
Sun 8/1110:45 -
1 stop25h 46m
Deal found 16/9$1,292
Sun 1/1119:15 -
1 stop19h 30m
Sun 8/1110:45 -
1 stop21h 56m
Deal found 17/9$1,295
Tue 20/1010:10 -
1 stop27h 55m
Tue 3/1110:45 -
1 stop16h 41m
Deal found 19/9$1,312
Mon 2/1119:15 -
1 stop19h 30m
Mon 16/1106:10 -
2 stops21h 16m
Deal found 17/9$1,320
Tue 20/1015:30 -
1 stop22h 35m
Tue 3/1106:05 -
2 stops21h 21m
Deal found 16/9$1,322
Sun 1/1119:15 -
1 stop19h 30m
Sun 8/1106:10 -
2 stops21h 16m
Deal found 17/9$1,324
Tue 3/1119:15 -
1 stop19h 30m
Tue 10/1110:45 -
1 stop16h 41m
Deal found 18/9$1,344

Find flight deals from Portland to Brisbane

Round-trip from

$1,257

One-way from

$788

Popular in

July

Cheapest in

June

Average price

$1,758
Air Canada
  • Air Canada
  • 31/10-7/11
  • 2 total stops
  • 55h 26m total
  • Portland to Brisbane
Search Deals
31/1-31/12
  • 31/1-31/12
  • 1 total stop
  • 18h 18m total
  • Portland to Brisbane
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($72 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 September 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

Sun 31/1

17:32-05:50

1 stop18h 18m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$788

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sun 31/1

14:34-05:50

1 stop21h 16m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$793

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sun 31/1

17:05-08:30

2 stops45h 25m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$840

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Tue 8/12

14:53-10:15

2 stops25h 22m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$908

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Thu 1/10

10:51-08:20

2 stops52h 29m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$983

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Wed 13/1

18:10-07:30

3 stops43h 20m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$1,190

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sun 31/1

16:05-07:30

3 stops45h 25m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$1,247

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Wed 30/9

09:51-06:45

3 stops51h 54m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$1,364

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Thu 1/10

10:30-14:05

3 stops34h 35m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$1,496

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 17/10

23:30-06:30

2 stops38h 00m

Brisbane

Sat 31/10

10:20-12:22

1 stop19h 02m

$1,588

Flights are sorted by cheapest return flights first.

Deals found on 18/9

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

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 $1,169). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,942). 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 $1,536 and $1,915 in October.
The cheapest return price found within the last 5 days was $1,257 on Air Canada (31 Oct–7 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
10,227 reviews
Check prices

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.7

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
10,227 reviews
United Airlines
7.4
Good
10,227 reviews
Check prices

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.7

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 38h. 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 $719. 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 $1,169). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,942). 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$719Average$1,548FlexibilityNo 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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