South Pacific

$311+ Cheap flights from Portland (PDX) to South Pacific

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
ene. 14 — ene. 211
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Cheap flight deals from Portland to South Pacific

Cheapest flights from Portland to South Pacific
Explore the most affordable flight options available from Portland to South Pacific. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/157:43 pmPDX - BNE
1 stop17h 47mUnited Airlines
mié. 12/2411:40 amBNE - PDX
1 stop21h 06mUnited Airlines
Deal found 12/13$869
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/312:42 pmPDX - PPT
1 stop15h 18mAir Tahiti Nui
mié. 1/77:00 amPPT - PDX
1 stop11h 47mAir Tahiti Nui
Deal found 12/13$915
This Delta deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/158:10 pmPDX - BNE
1 stop18h 10mDelta
mié. 12/2411:05 amBNE - PDX
1 stop19h 30mDelta
Deal found 12/14$964
This Qantas Airways deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/125:41 pmPDX - BNE
1 stop18h 04mQantas Airways
mar. 12/3012:10 pmBNE - PDX
1 stop23h 01mQantas Airways
Deal found 12/12$970
This Qantas Airways deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/294:26 pmPDX - SYD
1 stop19h 59mQantas Airways
mar. 1/137:15 pmSYD - PDX
2 stops37h 20mQantas Airways
Deal found 12/13$1,013
This United Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/134:02 pmPDX - MEL
2 stops46h 28mUnited Airlines
lun. 12/291:00 pmMEL - PDX
1 stop24h 48mUnited Airlines
Deal found 12/13$1,035
This Air Tahiti Nui deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Tahiti Nui is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/281:51 pmPDX - PPT
1 stop16h 09mAir Tahiti Nui
mié. 1/77:00 amPPT - PDX
1 stop13h 46mAir Tahiti Nui
Deal found 12/13$1,125
This United Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/267:45 pmPDX - BNE
1 stop17h 45mUnited Airlines
dom. 1/1111:40 amBNE - PDX
1 stop18h 54mUnited Airlines
Deal found 12/13$1,144
This United Airlines deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1211:59 pmPDX - BNE
2 stops37h 31mUnited Airlines
mar. 12/3011:40 amBNE - PDX
1 stop21h 06mUnited Airlines
Deal found 12/12$1,148
This Air Canada deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/273:15 pmPDX - SYD
1 stop23h 20mAir Canada
mié. 3/48:30 amSYD - PDX
2 stops19h 45mAir Canada
Deal found 12/13$1,224
This Trip.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/199:58 amPDX - PPT
1 stop21h 22mMultiple Airlines
sáb. 12/277:15 amPPT - PDX
1 stop24h 20mMultiple Airlines
Deal found 12/15$1,254
This oojo deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/276:20 amPDX - SYD
1 stop31h 40mQantas Airways
mié. 3/48:30 amSYD - PDX
2 stops23h 55mQantas Airways
Deal found 12/15$1,254

Find flight deals from Portland to South Pacific

Keep the following information in mind while searching for Portland to South Pacific flight deals. Data was last updated diciembre 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$729
(Kiwi.com)

One-way from

$311
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,781
Provider with most accurate pricing for Portland-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Portland-Sydney Kingsford Smith flights.
From Portland to South Pacific
One-way flight from Portland to South Pacific
Highest demand for flights based on searches. 13% potential increase in price ($188 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($56 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to South Pacific 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 2,558,603 searches. Data last updated diciembre 15, 2025.
Use the filters below to find and compare flights from Portland to South Pacific that are best for you.

Fly from

Portland

Fly to

South Pacific

Route

Depart

Return

Price

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

jue. 3/5

3:15 pm-8:45 am

1 stop23h 30m

Brisbane

jue. 3/19

9:45 am-9:15 am

1 stop16h 30m

$796

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

mar. 1/20

7:00 pm-8:45 am

1 stop19h 45m

Brisbane

sáb. 1/31

10:45 am-6:30 pm

1 stop25h 45m

$834

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

sáb. 2/21

6:40 am-5:00 am

1 stop28h 20m

Brisbane

dom. 3/1

5:10 pm-5:19 pm

1 stop18h 09m

$846

PortlandChristchurch

PDX - CHC

PDXCHC

Portland

jue. 2/26

3:15 pm-11:05 pm

2 stops34h 50m

Christchurch

dom. 3/8

6:10 am-5:30 pm

2 stops32h 20m

$854

PortlandAuckland

PDX - AKL

PDXAKL

Portland

mar. 3/10

5:40 pm-7:35 am

1 stop17h 55m

Auckland Intl

dom. 3/22

1:35 pm-4:43 pm

1 stop23h 08m

$861

PortlandAuckland

PDX - AKL

PDXAKL

Portland

mar. 1/27

4:51 pm-2:05 pm

2 stops24h 14m

Auckland Intl

mié. 3/4

3:50 pm-1:25 pm

1 stop18h 35m

$861

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

mié. 3/11

5:42 pm-5:00 am

1 stop18h 18m

Brisbane

mar. 3/17

8:40 am-11:30 pm

1 stop31h 50m

$861

PortlandAuckland

PDX - AKL

PDXAKL

Portland

lun. 3/9

5:40 pm-7:35 am

1 stop17h 55m

Auckland Intl

lun. 3/23

1:35 pm-4:43 pm

1 stop23h 08m

$861

PortlandAuckland

PDX - AKL

PDXAKL

Portland

lun. 3/9

5:42 pm-2:40 pm

2 stops24h 58m

Auckland Intl

mié. 4/1

4:55 pm-10:08 pm

2 stops25h 13m

$861

PortlandAuckland

PDX - AKL

PDXAKL

Portland

jue. 1/22

6:22 pm-9:55 am

1 stop18h 33m

Auckland Intl

mar. 2/10

1:20 pm-1:21 pm

1 stop21h 01m

$861

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 60 results
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Best time to book a flight from Portland to South Pacific

Have a flexible travel schedule? Discover the best time to fly to South Pacific from Portland with our price prediction graph.
Estimated round-trip 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 South Pacific

What is the cheapest month to book a flight from Portland to South Pacific?

Currently, February is the cheapest month in which you can book a flight from Portland to South Pacific (average of $504). Flying from Portland to South Pacific in April is currently the most expensive (average of $932). 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.

What is the cheapest time of day to fly from PDX to SP?

Find hourly flight availability from Portland to South Pacific. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 15, 2025.

It’s optimal to fly from Portland to South Pacific at noon. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Portland to South Pacific?

Use this chart to determine the cheapest time to fly round-trip from Portland to South Pacific. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to South Pacific flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing South Pacific

Get insights into the airlines that provide service to South Pacific. 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 South Pacific. Reviews last updated diciembre 15, 2025.
Read through reviews of airlines operating flights from Portland to South Pacific, such as Alaska Airlines, Air New Zealand, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Portland to South Pacific. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Portland to South Pacific?

    Most people fly from Portland (PDX) if they book a flight from Portland to South Pacific. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How long is the flight from Portland to South Pacific?

    Departing from Portland to South Pacific will take you 17h 55m. The distance from Portland to South Pacific is about 6902 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Portland to South Pacific one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $424. Users have also found prices from $428 and $434 on Qantas Airways and Alaska Airlines, respectively.

  • What are the most popular routes from Portland to South Pacific?

  • Can I find deals for flights from Portland to South Pacific that include hotel bookings?

    Yes. In addition to deals on Portland to South Pacific flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to South Pacific?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to South Pacific.

  • Can I find deals for business class flights from Portland to South Pacific?

    Yes. Cheapflights offers flight deals from Portland to South Pacific 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 South Pacific?

    Currently, February is the cheapest month in which you can book a flight from Portland to South Pacific (average of $504). Flying from Portland to South Pacific in April is currently the most expensive (average of $932). 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

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Alternative routes for Portland to South Pacific

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Portland to South Pacific

Discover the top 9 airlines that operate flights from Portland to South Pacific. 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 2,558,603 searches. Data last updated diciembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$502Average$1,097FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$550Average$1,276FlexibilityNo cancel feeOn-time85%
Qantas AirwaysCheapest$578Average$1,464FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$645Average$1,154FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$718Average$1,217FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$788Average$1,140FlexibilityNo cancel feeOn-time69%
Air Tahiti NuiCheapest$902Average$1,140FlexibilityNo cancel feeOn-time73%
American AirlinesCheapest$952Average$1,129FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$953Average$1,502FlexibilityNo cancel feeOn-time78%

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