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Cheap flights from Portland to Brisbane from $780

PDX — BNE
9 Oct — 16 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

Mon 19/1015:30 -
1 stop22h 35m
Mon 26/1009:45 -
1 stop16h 41m
Deal found 4/9$1,276
Tue 20/1015:30 -
1 stop22h 35m
Tue 27/1009:45 -
1 stop25h 46m
Deal found 5/9$1,277
Mon 2/1119:15 -
2 stops24h 15m
Mon 16/1110:45 -
1 stop16h 41m
Deal found 8/9$1,304
Tue 20/1015:30 -
1 stop22h 35m
Tue 3/1106:10 -
2 stops21h 16m
Deal found 5/9$1,305
Mon 19/1010:10 -
1 stop27h 55m
Sat 7/1110:45 -
1 stop21h 56m
Deal found 4/9$1,327
Sat 24/1015:30 -
1 stop23h 15m
Sun 15/1110:45 -
1 stop25h 46m
Deal found 8/9$1,329
Sat 24/1019:45 -
2 stops27h 45m
Sun 15/1110:45 -
1 stop16h 41m
Deal found 8/9$1,355

Find flight deals from Portland to Brisbane

Round-trip from

$1,271

One-way from

$780

Popular in

July

Cheapest in

June

Average price

$1,736
15/2-1/3
  • 15/2-1/3
  • 3 total stops
  • 55h 05m total
  • Portland to Brisbane
Search Deals
8/12-31/12
  • 8/12-31/12
  • 1 total stop
  • 18h 10m total
  • Portland to Brisbane
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($55 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

Tue 8/12

17:40-05:50

1 stop18h 10m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$780

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Thu 21/1

19:40-08:30

2 stops42h 50m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$830

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Thu 21/1

19:10-08:45

1 stop19h 35m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$852

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 24/10

10:10-07:45

1 stop28h 35m

Brisbane

Sat 31/10

09:45-18:31

1 stop25h 46m

$1,297

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Thu 21/1

16:05-07:30

3 stops45h 25m

Brisbane

Wed 31/12

00:00-06:00

Nonstop0h 00m

$1,398

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 24/10

15:00-05:50

2 stops21h 50m

Brisbane

Sat 31/10

09:40-16:26

2 stops23h 46m

$1,545

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Sat 17/10

23:30-06:30

2 stops38h 00m

Brisbane

Sat 31/10

10:20-21:13

2 stops27h 53m

$1,570

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Tue 20/10

23:30-06:30

2 stops38h 00m

Brisbane

Tue 3/11

07:35-10:18

2 stops20h 43m

$1,603

PortlandBrisbane

PDX Portland - BNE Brisbane

PDXBNE

Portland

Mon 15/2

19:49-07:30

1 stop17h 41m

Brisbane

Fri 19/2

11:20-20:49

2 stops27h 29m

$1,639

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Sorted by cheapest first

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 $1,154). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,918). 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

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
10,188 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

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
10,188 reviews
United Airlines
7.4
Good
10,188 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

Overall

7.4

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 21h 50m. 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 $710. 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 $1,154). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,918). 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$710Average$1,529FlexibilityNo 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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