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South Pacific

$395+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$777
(Air Canada)

One-way from

$395
(Travelocity)

Popular in

December

Cheapest in

May

Average price

$1,087
From Portland to South Pacific
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One-way flight from Portland to South Pacific
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Air Canada deal was found by Cheapflights users on 6/11. 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 8/207:40 pmPDX - SYD
1 stop18h 40mAir Canada
Wed 10/19:20 amSYD - PDX
1 stop17h 01mAir Canada
Deal found 6/11$777
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 10/3110:05 amPDX - AKL
1 stop27h 05mUnited Airlines
Sun 11/163:50 pmAKL - PDX
1 stop16h 03mUnited Airlines
Deal found 6/10$789
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 10/2910:15 amPDX - AKL
2 stops25h 40mDelta
Mon 11/102:50 pmAKL - PDX
2 stops25h 23mDelta
Deal found 6/10$793
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 8/92:56 pmPDX - SYD
1 stop23h 09mQantas Airways
Sat 8/235:45 pmSYD - PDX
1 stop20h 30mQantas Airways
Deal found 6/11$793
This Fareboom deal was found by Cheapflights users on 6/12. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:58 pmPDX - AKL
2 stops27h 42mAir Tahiti Nui
Sun 11/164:05 pmAKL - PDX
1 stop27h 26mAir Tahiti Nui
Deal found 6/12$806
This Air Canada deal was found by Cheapflights users on 6/11. 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 9/147:40 pmPDX - MEL
2 stops22h 55mMultiple Airlines
Sun 9/286:00 amMEL - PDX
2 stops20h 21mMultiple Airlines
Deal found 6/11$833
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/282:56 pmPDX - SYD
1 stop23h 34mAmerican Airlines
Thu 9/115:45 pmSYD - PDX
2 stops22h 26mAmerican Airlines
Deal found 6/11$840
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Sun 10/55:55 pmPDX - PPT
1 stop13h 55mMultiple Airlines
Mon 10/137:00 amPPT - PDX
1 stop13h 32mMultiple Airlines
Deal found 6/10$847
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 8/912:35 pmPDX - SYD
1 stop25h 00mDelta
Sat 8/309:25 amSYD - PDX
1 stop23h 34mDelta
Deal found 6/11$850
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/281:01 pmPDX - SYD
2 stops24h 59mUnited Airlines
Sat 9/1310:20 amSYD - PDX
1 stop19h 23mUnited Airlines
Deal found 6/11$855
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:05 pmPDX - AKL
2 stops26h 55mAir Canada
Tue 11/186:15 amAKL - PDX
2 stops29h 29mAir Canada
Deal found 6/12$872
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 11/110:35 amPDX - RAR
1 stop15h 10mHawaiian Airlines
Sun 11/91:05 pmRAR - PDX
1 stop14h 29mHawaiian Airlines
Deal found 6/11$884

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 June 12, 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

Wed 8/20

7:40 pm-7:20 am

1 stop18h 40m

Sydney Kingsford Smith

Wed 10/1

9:20 am-9:21 am

1 stop17h 01m

$777

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Fri 10/31

10:05 am-9:10 am

1 stop27h 05m

Auckland Intl

Sun 11/16

3:50 pm-10:53 am

1 stop16h 03m

$789

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Wed 10/29

10:15 am-7:55 am

2 stops25h 40m

Auckland Intl

Mon 11/10

2:50 pm-7:13 pm

2 stops25h 23m

$793

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 8/9

2:56 pm-7:05 am

1 stop23h 09m

Sydney Kingsford Smith

Sat 8/23

5:45 pm-9:15 pm

1 stop20h 30m

$793

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Fri 10/31

1:58 pm-1:40 pm

2 stops27h 42m

Auckland Intl

Sun 11/16

4:05 pm-10:31 pm

1 stop27h 26m

$806

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sun 9/14

7:40 pm-11:35 am

2 stops22h 55m

Melbourne

Sun 9/28

6:00 am-9:21 am

2 stops20h 21m

$833

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 8/28

2:56 pm-7:30 am

1 stop23h 34m

Sydney Kingsford Smith

Thu 9/11

5:45 pm-11:11 pm

2 stops22h 26m

$840

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 8/9

12:35 pm-6:35 am

1 stop25h 00m

Sydney Kingsford Smith

Sat 8/30

9:25 am-3:59 pm

1 stop23h 34m

$850

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 8/28

1:01 pm-7:00 am

2 stops24h 59m

Sydney Kingsford Smith

Wed 9/10

10:20 am-3:05 pm

2 stops21h 45m

$855

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Thu 11/6

7:05 pm-7:00 pm

2 stops26h 55m

Auckland Intl

Tue 11/18

6:15 am-2:44 pm

2 stops29h 29m

$872

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 51 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, March is the cheapest month in which you can book a flight from Portland to South Pacific (average of $1,041). Flying from Portland to South Pacific in December is currently the most expensive (average of $1,635). 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 June 12, 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 June 12, 2025.
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Boarding

8.7

Crew

9.0

Entertainment

7.3

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

Overall

8.7

Comfort

8.1

Boarding

8.7

Crew

9.0

Entertainment

7.3

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.
ANA
8.3
Very good
882 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Boarding

8.7

Crew

9.0

Entertainment

7.3

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.
Fiji Airways
8.1
Very good
194 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Boarding

8.7

Crew

9.0

Entertainment

7.3

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.
Singapore Airlines
8.1
Very good
1,302 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Boarding

8.7

Crew

9.0

Entertainment

7.3

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.
Delta
8.0
Very good
7,946 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Comfort

8.1

Boarding

8.7

Crew

9.0

Entertainment

7.3

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 Air Canada. According to our data, you can fly for as low as $395. Users have also found prices from $429 and $436 on American Airlines and United Airlines, respectively.

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

    While some choose either Portland - Auckland Intl or Portland - Melbourne, Portland - Sydney Kingsford Smith 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 $1,041). Flying from Portland to South Pacific in December is currently the most expensive (average of $1,635). 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.

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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.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$456Average$1,183FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$680Average$1,085FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$699Average$1,191FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$718Average$1,260FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$794Average$1,418FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$838Average$1,259FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$960Average$1,445FlexibilityNo cancel feeOn-time78%
Air Tahiti NuiCheapest$1,023Average$1,188FlexibilityNo cancel feeOn-time73%
Fiji AirwaysCheapest$1,042Average$1,384FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$1,043Average$1,568FlexibilityNo cancel feeOn-time74%

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