South Pacific

$366+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Jul 8 — Jul 151
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Cheap 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 July 3, 2025.

Round-trip from

$704
(SmartFares)

One-way from

$366
(Alaska Airlines)

Popular in

December

Cheapest in

May

Average price

$1,160
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 ($184 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find 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 July 3, 2025.

This SmartFares deal was found by Cheapflights users on 7/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/210:30 amPDX - SYD
1 stop27h 35mAlaska Airlines
Fri 8/159:10 amSYD - PDX
1 stop19h 21mAlaska Airlines
Deal found 7/1$704
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/62:56 pmPDX - SYD
1 stop23h 09mQantas Airways
Wed 9/175:45 pmSYD - PDX
1 stop19h 45mQantas Airways
Deal found 7/2$774
This Delta deal was found by Cheapflights users on 7/2. 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.
Mon 12/85:10 pmPDX - AKL
1 stop18h 25mDelta
Sun 2/82:35 pmAKL - PDX
2 stops25h 36mDelta
Deal found 7/2$781
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 11/53:54 pmPDX - AKL
1 stop20h 16mUnited Airlines
Fri 11/213:50 pmAKL - PDX
1 stop23h 46mUnited Airlines
Deal found 7/2$789
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:40 pmPDX - SYD
1 stop18h 40mAir Canada
Thu 9/189:20 amSYD - PDX
1 stop17h 01mAir Canada
Deal found 7/2$798
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:59 pmPDX - AKL
1 stop36h 26mAmerican Airlines
Tue 11/111:20 pmAKL - PDX
1 stop28h 41mAmerican Airlines
Deal found 7/2$799
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 8/51:37 pmPDX - SYD
1 stop24h 18mUnited Airlines
Wed 8/2710:20 amSYD - PDX
1 stop21h 22mUnited Airlines
Deal found 7/2$824
This Delta deal was found by Cheapflights users on 7/2. 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.
Fri 8/812:35 pmPDX - SYD
1 stop25h 00mDelta
Thu 8/289:25 amSYD - PDX
1 stop19h 14mDelta
Deal found 7/2$832
This Gotogate deal was found by Cheapflights users on 7/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/143:40 pmPDX - PPT
1 stop15h 20mAir Tahiti Nui
Wed 9/247:00 amPPT - PDX
1 stop22h 52mAir Tahiti Nui
Deal found 7/1$876
This Expedia deal was found by Cheapflights users on 7/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:40 pmPDX - PPT
2 stops56h 20mMultiple Airlines
Sun 11/307:00 amPPT - PDX
1 stop21h 18mMultiple Airlines
Deal found 7/1$944
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:37 pmPDX - PPT
2 stops29h 53mAlaska Airlines
Sat 11/2211:30 pmPPT - PDX
1 stop14h 20mAlaska Airlines
Deal found 7/2$967
This Ovago deal was found by Cheapflights users on 7/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:36 pmPDX - NAN
1 stop16h 24mMultiple Airlines
Wed 10/110:15 pmNAN - PDX
1 stop17h 20mMultiple Airlines
Deal found 7/2$975

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 July 3, 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

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 8/2

10:30 am-7:05 am

1 stop27h 35m

Sydney Kingsford Smith

Fri 8/15

9:10 am-11:31 am

1 stop19h 21m

$704

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 9/6

2:56 pm-7:05 am

1 stop23h 09m

Sydney Kingsford Smith

Wed 9/17

5:45 pm-8:30 pm

1 stop19h 45m

$774

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Mon 12/8

5:10 pm-8:35 am

1 stop18h 25m

Auckland Intl

Fri 2/6

2:35 pm-4:29 pm

2 stops22h 54m

$781

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Wed 11/5

3:54 pm-9:10 am

1 stop20h 16m

Auckland Intl

Fri 11/21

3:50 pm-6:36 pm

1 stop23h 46m

$789

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 9/5

7:40 pm-7:20 am

1 stop18h 40m

Sydney Kingsford Smith

Thu 9/18

9:20 am-9:21 am

1 stop17h 01m

$798

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Tue 10/28

11:59 pm-8:25 am

1 stop36h 26m

Auckland Intl

Tue 11/11

1:20 pm-9:01 pm

1 stop28h 41m

$799

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 8/5

12:55 pm-7:00 am

2 stops25h 05m

Sydney Kingsford Smith

Tue 8/26

9:30 am-3:06 pm

2 stops22h 36m

$824

PortlandSydney

PDX - SYD

PDXSYD

Portland

Fri 8/8

12:35 pm-6:35 am

1 stop25h 00m

Sydney Kingsford Smith

Thu 8/28

9:25 am-11:39 am

1 stop19h 14m

$832

PortlandPapeete

PDX - PPT

PDXPPT

Portland

Sun 9/14

3:40 pm-4:00 am

1 stop15h 20m

Papeete Faaa

Wed 9/24

7:00 am-8:52 am

1 stop22h 52m

$876

PortlandPapeete

PDX - PPT

PDXPPT

Portland

Fri 11/21

9:40 pm-4:00 am

2 stops56h 20m

Papeete Faaa

Sun 11/30

7:00 am-6:18 am

1 stop21h 18m

$944

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 $1,040). Flying from Portland to South Pacific in December is currently the most expensive (average of $1,630). 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 July 3, 2025.

When flying from Portland to South Pacific, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 3, 2025.
Read through reviews of airlines operating flights from Portland to South Pacific, such as Air Tahiti Nui, Singapore Airlines, and Fiji Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.7

Crew

9.0

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Boarding

8.7

Crew

9.0

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Boarding

8.7

Crew

9.0

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Boarding

8.7

Crew

9.0

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
8.0
Very good

Boarding

8.7

Crew

9.0

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Boarding

8.7

Crew

9.0

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $366. Users have also found prices from $392 and $401 on Qantas Airways and American 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 $1,040). Flying from Portland to South Pacific in December is currently the most expensive (average of $1,630). 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

Browse thousands of different options on Cheapflights for your next trip

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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 10 airlines flying from Portland to South Pacific

Discover the top 10 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$456Average$1,183FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$680Average$1,085FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$699Average$1,184FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$718Average$1,252FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$734Average$1,249FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$788Average$1,419FlexibilityNo cancel feeOn-time69%
Air Tahiti NuiCheapest$902Average$1,196FlexibilityNo cancel feeOn-time73%
Qantas AirwaysCheapest$923Average$1,508FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$960Average$1,448FlexibilityNo cancel feeOn-time78%
Fiji AirwaysCheapest$1,042Average$1,249FlexibilityNo cancel feeOn-time74%

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