HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Pacific

$329+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to South Pacific with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$865
(Flightnetwork)

One-way from

$329
(Air Canada)

Popular in

December

Cheapest in

February

Average price

$1,083
Provider with most accurate pricing for Portland-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Sydney Kingsford Smith flights.
Search Deals
From Portland to South Pacific
Search Deals
One-way flight from Portland to South Pacific
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 28, 2025.

This Flightnetwork deal was found by Cheapflights users on 3/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/22:30 pmPDX - PPT
1 stop16h 30mAir Tahiti Nui
Wed 7/97:00 amPPT - PDX
1 stop22h 58mAir Tahiti Nui
Deal found 3/26$865
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Sun 5/117:40 pmPDX - AKL
2 stops24h 25mAir Canada
Tue 5/276:35 amAKL - PDX
2 stops31h 10mAir Canada
Deal found 3/27$877
This StudentUniverse deal was found by Cheapflights users on 3/27. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:39 pmPDX - NAN
1 stop17h 06mMultiple Airlines
Sun 5/259:40 pmNAN - PDX
1 stop14h 53mMultiple Airlines
Deal found 3/27$905
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Tue 9/97:40 pmPDX - SYD
2 stops22h 00mAir Canada
Wed 9/249:20 amSYD - PDX
1 stop17h 11mAir Canada
Deal found 3/27$915
This Orbitz deal was found by Cheapflights users on 3/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/119:34 pmPDX - AKL
1 stop37h 26mMultiple Airlines
Tue 5/276:35 amAKL - PDX
2 stops21h 55mMultiple Airlines
Deal found 3/27$926
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Tue 9/167:40 pmPDX - SYD
2 stops21h 40mMultiple Airlines
Mon 9/229:20 amSYD - PDX
1 stop17h 11mMultiple Airlines
Deal found 3/27$933
This Hawaiian Airlines deal was found by Cheapflights users on 3/26. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/510:55 amPDX - RAR
1 stop15h 00mHawaiian Airlines
Sun 7/131:05 pmRAR - PDX
1 stop13h 50mHawaiian Airlines
Deal found 3/26$946
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Wed 5/143:25 pmPDX - CHC
2 stops36h 40mAir Canada
Sun 5/256:05 amCHC - PDX
2 stops27h 35mAir Canada
Deal found 3/27$946
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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.
Sat 7/57:00 amPDX - RAR
2 stops18h 55mAlaska Airlines
Sun 7/131:05 pmRAR - PDX
2 stops16h 53mAlaska Airlines
Deal found 3/26$951
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 5/1112:09 pmPDX - SYD
1 stop25h 56mAmerican Airlines
Sun 5/189:10 amSYD - PDX
1 stop19h 15mAmerican Airlines
Deal found 3/27$1,007
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 5/108:05 amPDX - PPT
1 stop16h 25mAlaska Airlines
Sat 5/2411:30 pmPPT - PDX
2 stops18h 20mAlaska Airlines
Deal found 3/27$1,018
This Air Canada deal was found by Cheapflights users on 3/28. 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.
Sat 5/317:40 pmPDX - CHC
2 stops34h 05mMultiple Airlines
Tue 6/106:00 amCHC - PDX
2 stops22h 30mMultiple Airlines
Deal found 3/28$1,022

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 March 28, 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

PortlandPapeete

PDX - PPT

PDXPPT

Portland

Wed 7/2

2:30 pm-4:00 am

1 stop16h 30m

Papeete Faaa

Wed 7/9

7:00 am-8:58 am

1 stop22h 58m

$865

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Sun 5/11

7:40 pm-3:05 pm

2 stops24h 25m

Auckland Intl

Tue 5/27

6:35 am-6:45 pm

2 stops31h 10m

$877

PortlandNadi

PDX - NAN

PDXNAN

Portland

Wed 5/7

5:39 pm-5:45 am

1 stop17h 06m

Nadi

Sun 5/25

9:40 pm-5:33 pm

1 stop14h 53m

$905

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/9

7:40 pm-10:40 am

2 stops22h 00m

Sydney Kingsford Smith

Wed 9/24

9:20 am-9:31 am

1 stop17h 11m

$915

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Sun 5/11

9:34 pm-6:00 am

1 stop37h 26m

Auckland Intl

Tue 5/27

6:35 am-9:30 am

2 stops21h 55m

$926

PortlandSydney

PDX - SYD

PDXSYD

Portland

Tue 9/16

7:40 pm-10:20 am

2 stops21h 40m

Sydney Kingsford Smith

Mon 9/22

9:20 am-9:31 am

1 stop17h 11m

$933

PortlandRarotonga

PDX - RAR

PDXRAR

Portland

Sat 7/5

10:55 am-10:55 pm

1 stop15h 00m

Rarotonga

Sun 7/13

1:05 pm-5:55 am

1 stop13h 50m

$946

PortlandChristchurch

PDX - CHC

PDXCHC

Portland

Wed 5/14

3:25 pm-11:05 pm

2 stops36h 40m

Christchurch

Sun 5/25

6:05 am-2:40 pm

2 stops27h 35m

$946

PortlandRarotonga

PDX - RAR

PDXRAR

Portland

Sat 7/5

7:00 am-10:55 pm

2 stops18h 55m

Rarotonga

Sun 7/13

1:05 pm-8:58 am

2 stops16h 53m

$951

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sun 5/11

12:09 pm-7:05 am

1 stop25h 56m

Sydney Kingsford Smith

Sun 5/18

9:10 am-11:25 am

1 stop19h 15m

$1,007

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 42 results
1
2
3
...
5

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, March is the cheapest month in which you can book a flight from Portland to South Pacific (average of $1,044). Flying from Portland to South Pacific in December is currently the most expensive (average of $1,643). 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 March 28, 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.

Rainfall in South Pacific by month

Plan your trip to South Pacific by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Pacific ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit South Pacific when rainfall is around 2.0 in.

Temperature in South Pacific by month

Plan your trip to South Pacific by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Pacific, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 March 28, 2025.
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Food

7.8

Overall

8.7

Entertainment

7.2

Comfort

8.0

Boarding

8.7

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.
Air Tahiti Nui
8.7
Very good
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Food

7.8

Overall

8.7

Entertainment

7.2

Comfort

8.0

Boarding

8.7

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.
Japan Airlines
8.3
Very good
1,440 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Food

7.8

Overall

8.7

Entertainment

7.2

Comfort

8.0

Boarding

8.7

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.
ANA
8.3
Very good
829 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Food

7.8

Overall

8.7

Entertainment

7.2

Comfort

8.0

Boarding

8.7

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.
Singapore Airlines
8.1
Very good
1,285 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Food

7.8

Overall

8.7

Entertainment

7.2

Comfort

8.0

Boarding

8.7

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.
Fiji Airways
8.0
Very good
182 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Food

7.8

Overall

8.7

Entertainment

7.2

Comfort

8.0

Boarding

8.7

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 Air Canada. According to our data, you can fly for as low as $329. Users have also found prices from $523 and $678 on Alaska Airlines and Air Tahiti Nui, respectively.

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

    While some choose either Portland - Melbourne or Portland - Sydney Kingsford Smith, Portland - Auckland Intl is the most popular route 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, March is the cheapest month in which you can book a flight from Portland to South Pacific (average of $1,044). Flying from Portland to South Pacific in December is currently the most expensive (average of $1,643). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to South Pacific

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Los Angeles flights
Portland to Las Vegas flights
Portland to Sky Harbor Intl flights
Portland to Newark flights
Portland to John F Kennedy Intl flights
Portland to Dallas/Fort Worth flights
Portland to Honolulu flights
Portland to San Diego flights
Portland to Denver flights
Portland to O'Hare Intl flights
Portland to Heathrow flights
Portland to Ontario flights
Portland to Orlando flights
Portland to Dulles Intl flights
Portland to Cancún flights
Portland to Santa Ana flights
Portland to LaGuardia flights
Portland to Reagan-National flights
Portland to Burbank flights
Portland to Kahului flights
Portland to Narita flights
Portland to Minneapolis flights
Portland to Haneda flights
Portland to Boston flights
Portland to Hobby flights
Portland to Palm Springs flights
Portland to Kailua-Kona flights
Portland to Midway flights
Portland to San Francisco flights
Portland to Salt Lake City flights
Portland to Nashville flights
Portland to New Orleans flights
Boise to Las Vegas flights
Portland to Atlanta flights
Portland to George Bush Intcntl flights
Portland to San Jose flights
Portland to Austin flights
Eugene to Los Angeles flights
Portland to Miami flights
Redmond to Denver flights
Portland to Detroit flights
Boise to Seattle flights
Portland to Oakland flights
Portland to Sacramento flights
Portland to Cozumel flights
Portland to Baltimore flights
Portland to Gatwick flights
Portland to Albuquerque flights
Eugene to Denver flights
Portland to Charles de Gaulle flights

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$444Average$1,071FlexibilityNo cancel feeOn-time85%
DeltaCheapest$456Average$1,252FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$718Average$1,292FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$759Average$1,463FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$791Average$1,217FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$864Average$1,150FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$926Average$1,380FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,021Average$1,422FlexibilityNo cancel feeOn-time78%
Air Tahiti NuiCheapest$1,029Average$1,274FlexibilityNo cancel feeOn-time73%
Fiji AirwaysCheapest$1,042Average$1,384FlexibilityNo cancel feeOn-time74%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.