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Cheap flights from Portland to Brisbane from $831

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BNE
6 Jun — 13 Jun1
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 7 May 2026.

Sat 25/707:20
PDX
-
BNE
1 stop28h 40m
Multiple Airlines
Sat 1/820:35
BNE
-
PDX
1 stop20h 21m
Multiple Airlines
Deal found 4/5$1,516
Tue 17/1115:15
PDX
-
BNE
1 stop23h 30m
Air Canada
Tue 26/110:45
BNE
-
PDX
1 stop25h 45m
Air Canada
Deal found 6/5$1,536
Fri 14/814:39
PDX
-
BNE
1 stop21h 21m
Multiple Airlines
Sat 5/920:35
BNE
-
PDX
1 stop19h 04m
Multiple Airlines
Deal found 4/5$1,541
Fri 14/814:39
PDX
-
BNE
1 stop21h 21m
Multiple Airlines
Fri 4/920:35
BNE
-
PDX
1 stop19h 49m
Multiple Airlines
Deal found 5/5$1,543
Mon 16/1110:05
PDX
-
BNE
1 stop28h 40m
Air Canada
Tue 26/110:45
BNE
-
PDX
1 stop16h 40m
Air Canada
Deal found 6/5$1,550
Thu 10/910:30
PDX
-
BNE
1 stop25h 30m
Multiple Airlines
Sun 27/920:35
BNE
-
PDX
1 stop18h 20m
Multiple Airlines
Deal found 3/5$1,554
Sat 4/707:00
PDX
-
BNE
1 stop29h 00m
Qantas Airways
Fri 10/720:35
BNE
-
PDX
1 stop20h 21m
Qantas Airways
Deal found 4/5$1,565
Sat 31/1017:00
PDX
-
BNE
2 stops24h 35m
Multiple Airlines
Sun 8/1111:25
BNE
-
PDX
2 stops27h 06m
Multiple Airlines
Deal found 6/5$1,566
Sun 15/1115:15
PDX
-
BNE
1 stop23h 30m
Multiple Airlines
Sun 24/110:45
BNE
-
PDX
1 stop16h 40m
Multiple Airlines
Deal found 6/5$1,569
Fri 14/817:36
PDX
-
BNE
2 stops23h 29m
Qantas Airways
Sat 5/920:35
BNE
-
PDX
1 stop19h 04m
Qantas Airways
Deal found 4/5$1,573
Thu 10/913:50
PDX
-
BNE
1 stop22h 10m
Qantas Airways
Sun 27/920:35
BNE
-
PDX
1 stop18h 20m
Qantas Airways
Deal found 5/5$1,579

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 7 May 2026.

Round-trip from

$1,516

One-way from

$831

Popular in

December

Cheapest in

January

Average price

$1,605
25/7-1/8
  • 25/7-1/8
  • 2 total stops
  • 49h 01m total
  • Portland to Brisbane
Search Deals
7/9
  • 7/9
  • 3 total stops
  • 44h 48m total
  • Portland to Brisbane
Search Deals
High demand for flights, 0% potential price rise
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 May 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 7 May 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

Cheapest return flight

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 31/10

18:00-10:35

2 stops23h 35m

Brisbane

Sun 8/11

11:25-20:31

2 stops27h 06m

$1,566

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 24/8

14:50-10:35

2 stops26h 45m

Brisbane

Tue 1/9

11:35-20:50

2 stops26h 15m

$1,566

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 10/9

14:50-05:00

1 stop21h 10m

Brisbane

Sun 27/9

20:35-21:55

1 stop18h 20m

$1,584

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Tue 20/10

14:45-05:00

1 stop21h 15m

Brisbane

Tue 3/11

13:10-13:26

1 stop18h 16m

$1,617

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Fri 7/8

14:39-05:00

1 stop21h 21m

Brisbane

Tue 18/8

17:35-23:52

2 stops23h 17m

$1,656

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 31/10

08:45-06:30

2 stops28h 45m

Brisbane

Sun 8/11

11:40-14:27

1 stop20h 47m

$1,674

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 3/6

08:00-23:25

2 stops22h 25m

Brisbane

Sun 7/6

16:00-20:48

2 stops21h 48m

$1,675

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Fri 7/8

13:14-06:30

1 stop24h 16m

Brisbane

Tue 18/8

10:30-18:11

1 stop24h 41m

$1,696
Fastest return journey

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 3/6

18:03-06:30

1 stop19h 27m

Brisbane

Sun 7/6

10:30-10:20

1 stop16h 50m

$1,696
Cheapest one-way
Fastest single journey

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 27/7

17:08-05:00

1 stop18h 52m

$892

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 $1,148). Flying from Portland to Brisbane in December is currently the most expensive (average of $2,000). 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?

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 7 May 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
9,690 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,690 reviews
United Airlines
7.4
Good
9,690 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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.

  • 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 $708. United Airlines is priced at 53% 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 $1,148). Flying from Portland to Brisbane in December is currently the most expensive (average of $2,000). 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 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$708Average$1,350FlexibilityNo 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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