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Cheap flights from Portland to Brisbane from $689

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BNE
10 mai — 17 mai1
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 10 april 2026.

on. 13/515:30
PDX
-
BNE
1 stop22h 35m
Air Canada
on. 27/510:00
BNE
-
PDX
1 stop21h 45m
Air Canada
Deal found 8/4$1,212
fr. 22/515:30
PDX
-
BNE
1 stop22h 35m
Air Canada
fr. 29/510:00
BNE
-
PDX
1 stop16h 30m
Air Canada
Deal found 7/4$1,219
ma. 11/519:45
PDX
-
BNE
1 stop18h 20m
Air Canada
ma. 8/610:00
BNE
-
PDX
1 stop21h 45m
Air Canada
Deal found 8/4$1,234
fr. 19/619:45
PDX
-
BNE
2 stops23h 20m
Multiple Airlines
fr. 31/710:00
BNE
-
PDX
1 stop16h 31m
Multiple Airlines
Deal found 7/4$1,250
to. 10/919:45
PDX
-
BNE
2 stops23h 20m
Multiple Airlines
sø. 27/910:00
BNE
-
PDX
1 stop21h 51m
Multiple Airlines
Deal found 8/4$1,251
sø. 23/819:45
PDX
-
BNE
1 stop18h 20m
Multiple Airlines
lø. 12/920:40
BNE
-
PDX
2 stops29h 51m
Multiple Airlines
Deal found 5/4$1,253
on. 13/515:30
PDX
-
BNE
1 stop22h 35m
Multiple Airlines
on. 27/519:25
BNE
-
PDX
2 stops31h 05m
Multiple Airlines
Deal found 9/4$1,254
sø. 17/515:30
PDX
-
BNE
1 stop22h 35m
Multiple Airlines
lø. 30/519:25
BNE
-
PDX
2 stops31h 05m
Multiple Airlines
Deal found 10/4$1,257
ma. 11/519:45
PDX
-
BNE
2 stops25h 45m
Air Canada
sø. 24/510:00
BNE
-
PDX
1 stop16h 30m
Air Canada
Deal found 6/4$1,258
ti. 19/515:30
PDX
-
BNE
2 stops27h 00m
Air Canada
sø. 31/510:00
BNE
-
PDX
1 stop16h 30m
Air Canada
Deal found 7/4$1,260

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 10 april 2026.

Round-trip from

$1,212

One-way from

$689

Popular in

December

Cheapest in

January

Average price

$1,487
Air Canada
  • Air Canada
  • 19/6-31/7
  • 2 total stops
  • 34h 51m total
  • Portland to Brisbane
Search Deals
Air Canada
  • Air Canada
  • 18/4
  • 1 total stop
  • 22h 50m total
  • Portland to Brisbane
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($62 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 10 april 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
Fastest return journey

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

fr. 19/6

19:45-07:05

1 stop18h 20m

Brisbane

fr. 31/7

10:00-09:31

1 stop16h 31m

$1,212

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

sø. 30/8

14:50-05:00

1 stop21h 10m

Brisbane

lø. 19/9

20:35-21:55

1 stop18h 20m

$1,605

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

to. 10/9

14:50-05:00

1 stop21h 10m

Brisbane

sø. 27/9

20:35-21:55

1 stop18h 20m

$1,642

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

sø. 3/5

19:45-06:30

1 stop17h 45m

Brisbane

sø. 17/5

10:30-14:06

1 stop20h 36m

$1,731

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

on. 13/5

12:46-06:30

2 stops24h 44m

Brisbane

on. 27/5

10:30-17:44

2 stops24h 14m

$1,736
Cheapest one-way
Fastest single journey

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

ti. 21/4

19:05-07:05

1 stop19h 00m

$693

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

to. 14/5

19:45-16:55

2 stops28h 10m

$727

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

lø. 22/8

14:50-10:40

2 stops26h 50m

$795

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

lø. 18/4

23:59-06:30

2 stops37h 31m

$993

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

to. 14/5

21:26-17:50

3 stops51h 24m

$2,033

Flights are sorted by cheapest return flights first.

Deals found on 7/4

Showing 1-10 of 11 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
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 $725). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,801). 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 10 april 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
9,562 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,562 reviews
United Airlines
7.4
Good
9,562 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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.

  • How long is the flight from Portland to Brisbane?

    Departing from Portland to Brisbane will take you 17h 45m. 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 $725. United Airlines is priced at 54% 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 $725). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,801). 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 10 april 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$725Average$1,382FlexibilityNo 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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