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Cheap flights from Portland to Brisbane from $674

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BNE
10 Apr — 17 Apr1
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 11 March 2026.

Sun 3/515:30
PDX
-
BNE
1 stop22h 35m
Air Canada
Sun 17/510:00
BNE
-
PDX
1 stop21h 45m
Air Canada
Deal found 6/3$1,103
Fri 23/1015:30
PDX
-
BNE
1 stop22h 35m
Singapore Airlines
Thu 19/1110:45
BNE
-
PDX
1 stop21h 55m
Singapore Airlines
Deal found 7/3$1,120
Sat 31/1019:10
PDX
-
BNE
1 stop19h 35m
Multiple Airlines
Sun 8/1106:10
BNE
-
PDX
2 stops21h 15m
Multiple Airlines
Deal found 9/3$1,142
Wed 13/519:45
PDX
-
BNE
1 stop18h 20m
Multiple Airlines
Wed 27/520:40
BNE
-
PDX
2 stops29h 50m
Multiple Airlines
Deal found 6/3$1,144
Thu 22/1019:45
PDX
-
BNE
2 stops22h 45m
Multiple Airlines
Fri 20/1110:45
BNE
-
PDX
1 stop16h 40m
Multiple Airlines
Deal found 7/3$1,154
Thu 10/919:45
PDX
-
BNE
2 stops23h 20m
Multiple Airlines
Sun 27/920:40
BNE
-
PDX
2 stops29h 51m
Multiple Airlines
Deal found 6/3$1,169
Mon 20/419:05
PDX
-
BNE
2 stops23h 25m
Multiple Airlines
Mon 27/420:40
BNE
-
PDX
2 stops29h 30m
Multiple Airlines
Deal found 6/3$1,178
Sat 31/1019:10
PDX
-
BNE
1 stop19h 35m
Air Canada
Sun 8/1110:45
BNE
-
PDX
1 stop25h 45m
Air Canada
Deal found 6/3$1,187
Wed 8/419:05
PDX
-
BNE
2 stops23h 25m
Multiple Airlines
Wed 15/420:40
BNE
-
PDX
2 stops29h 30m
Multiple Airlines
Deal found 9/3$1,189
Thu 29/1019:10
PDX
-
BNE
1 stop19h 35m
Multiple Airlines
Tue 10/1110:45
BNE
-
PDX
1 stop16h 40m
Multiple Airlines
Deal found 6/3$1,204

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 11 March 2026.

Round-trip from

$1,103

One-way from

$674

Popular in

December

Cheapest in

January

Average price

$1,376
Air Canada
  • Air Canada
  • 3/5-17/5
  • 2 total stops
  • 44h 20m total
  • Portland to Brisbane
Search Deals
14/5
  • 14/5
  • 2 total stops
  • 22h 45m total
  • Portland to Brisbane
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($56 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 11 March 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

Wed 13/5

15:30-07:05

1 stop22h 35m

Brisbane

Wed 27/5

20:40-09:30

2 stops29h 50m

$1,144

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 13/5

12:46-06:30

2 stops24h 44m

Brisbane

Wed 27/5

10:30-17:44

2 stops24h 14m

$1,428

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 3/9

23:15-06:30

2 stops38h 15m

Brisbane

Tue 22/9

10:30-17:43

2 stops24h 13m

$1,428

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 3/8

13:14-06:30

1 stop24h 16m

Brisbane

Fri 7/8

10:30-12:08

1 stop18h 38m

$1,443

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 10/8

11:05-06:30

2 stops26h 25m

Brisbane

Fri 14/8

10:30-09:21

2 stops39h 51m

$1,449

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sun 3/5

07:00-06:30

2 stops30h 30m

Brisbane

Sun 17/5

10:30-13:15

2 stops43h 45m

$1,472
Fastest return journey

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Mon 20/4

17:49-05:00

1 stop18h 11m

Brisbane

Fri 24/4

20:35-21:35

1 stop18h 00m

$1,497

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 18/6

15:30-11:30

2 stops27h 00m

Brisbane

Sun 28/6

10:00-14:51

1 stop21h 51m

$1,588

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 16/4

13:09-05:00

1 stop22h 51m

Brisbane

Fri 24/4

20:35-21:35

1 stop18h 00m

$1,638
Cheapest one-way

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 14/5

19:45-11:30

2 stops22h 45m

$674

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 17 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 $722). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,778). 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

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 11 March 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
9,414 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

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
9,414 reviews
United Airlines
7.4
Good
9,414 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

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 24h 44m. 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 $721. United Airlines is priced at 55% 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 $722). Flying from Portland to Brisbane in July is currently the most expensive (average of $1,778). 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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$721Average$1,376FlexibilityNo 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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