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South Pacific

$339+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$747
(Kiwi.com)

One-way from

$339
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,137
Provider with most accurate pricing for Portland-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Portland-Sydney Kingsford Smith flights.
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From Portland to South Pacific
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One-way flight from Portland to South Pacific
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Highest demand for flights based on searches. 8% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 14, 2025.

This Trip.com deal was found by Cheapflights users on 10/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:03 amPDX - NAN
2 stops23h 42mMultiple Airlines
Mon 11/179:40 pmNAN - PDX
2 stops34h 16mMultiple Airlines
Deal found 10/11$866
This Trip.com deal was found by Cheapflights users on 10/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/92:30 pmPDX - PPT
1 stop15h 30mMultiple Airlines
Sun 11/237:00 amPPT - PDX
1 stop21h 18mMultiple Airlines
Deal found 10/13$893
This SmartFares deal was found by Cheapflights users on 10/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/263:57 pmPDX - PPT
1 stop14h 03mAir Tahiti Nui
Wed 12/37:00 amPPT - PDX
1 stop12h 20mAir Tahiti Nui
Deal found 10/11$901
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:30 pmPDX - PPT
1 stop12h 30mAir Tahiti Nui
Sun 11/167:00 amPPT - PDX
1 stop11h 37mAir Tahiti Nui
Deal found 10/11$904
This Fareboom deal was found by Cheapflights users on 10/12. 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.
Sun 11/95:30 pmPDX - PPT
1 stop12h 30mAir Tahiti Nui
Sun 11/237:00 amPPT - PDX
2 stops21h 26mAir Tahiti Nui
Deal found 10/12$930
This oojo deal was found by Cheapflights users on 10/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:55 pmPDX - NAN
1 stop15h 50mMultiple Airlines
Wed 11/199:40 pmNAN - PDX
1 stop15h 10mMultiple Airlines
Deal found 10/13$935
This American Airlines deal was found by Cheapflights users on 10/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:30 amPDX - MEL
1 stop28h 30mAmerican Airlines
Sat 11/2212:00 pmMEL - PDX
1 stop29h 25mAmerican Airlines
Deal found 10/12$936
This Qantas Airways deal was found by Cheapflights users on 10/13. 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.
Sat 10/182:52 pmPDX - BNE
1 stop21h 33mMultiple Airlines
Sat 11/87:40 pmBNE - PDX
1 stop19h 10mMultiple Airlines
Deal found 10/13$955
This American Airlines deal was found by Cheapflights users on 10/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:40 amPDX - MEL
2 stops26h 50mAmerican Airlines
Sat 11/2912:00 pmMEL - PDX
1 stop24h 12mAmerican Airlines
Deal found 10/12$956
This oojo deal was found by Cheapflights users on 10/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:44 pmPDX - AKL
2 stops22h 51mMultiple Airlines
Wed 12/32:50 pmAKL - PDX
2 stops22h 40mMultiple Airlines
Deal found 10/12$961
This Jetabroad deal was found by Cheapflights users on 10/12. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:55 pmPDX - MEL
1 stop20h 35mMultiple Airlines
Sat 11/2212:00 pmMEL - PDX
1 stop40h 36mMultiple Airlines
Deal found 10/12$969
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Sat 12/273:35 pmPDX - MEL
1 stop23h 25mUnited Airlines
Fri 1/161:00 pmMEL - PDX
1 stop20h 46mUnited Airlines
Deal found 10/12$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 October 14, 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

PortlandNadi

PDX - NAN

PDXNAN

Portland

Mon 11/10

10:03 am-5:45 am

2 stops23h 42m

Nadi

Mon 11/17

9:40 pm-11:56 am

2 stops34h 16m

$866

PortlandPapeete

PDX - PPT

PDXPPT

Portland

Sun 11/9

10:30 am-4:00 am

1 stop19h 30m

Papeete Faaa

Sun 11/23

7:00 am-12:18 am

1 stop15h 18m

$904

PortlandPapeete

PDX - PPT

PDXPPT

Portland

Sun 11/9

5:30 pm-4:00 am

1 stop12h 30m

Papeete Faaa

Sun 11/16

7:00 am-8:37 pm

1 stop11h 37m

$904

PortlandNadi

PDX - NAN

PDXNAN

Portland

Wed 11/12

5:55 pm-5:45 am

1 stop15h 50m

Nadi

Wed 11/19

9:40 pm-4:50 pm

1 stop15h 10m

$935

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 3/5

1:25 pm-7:30 am

2 stops24h 05m

Brisbane

Thu 3/19

10:40 am-12:37 pm

1 stop18h 57m

$982

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Sat 2/28

1:18 pm-7:30 am

2 stops24h 12m

Brisbane

Sat 3/14

10:40 am-5:46 pm

2 stops24h 06m

$982

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/24

7:00 pm-12:40 pm

2 stops22h 40m

Melbourne

Sat 3/7

8:10 am-9:15 am

2 stops20h 05m

$982

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 3/6

7:30 pm-10:00 am

1 stop19h 30m

Melbourne

Sun 3/15

12:00 pm-12:37 pm

1 stop18h 37m

$995

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Thu 11/27

7:00 am-7:30 am

2 stops30h 30m

Brisbane

Thu 12/4

11:40 am-9:15 pm

2 stops51h 35m

$997

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Sun 3/1

6:05 pm-9:20 pm

2 stops30h 15m

Auckland Intl

Sun 3/15

6:15 am-2:40 pm

2 stops28h 25m

$999

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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, December is the cheapest month in which you can book a flight from Portland to South Pacific (average of $456). Flying from Portland to South Pacific in July is currently the most expensive (average of $956). 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 October 14, 2025.

It’s optimal to fly from Portland to South Pacific in the afternoon. By choosing this option you can save up to 13% 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 October 14, 2025.
Read through reviews of airlines operating flights from Portland to South Pacific, such as Alaska Airlines, Delta, and Air New Zealand. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,073 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,073 reviews
Alaska Airlines
8.0
Very good
11,073 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,972 reviews
Alaska Airlines
8.0
Very good
11,073 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Air New Zealand
8.0
Very good
513 reviews
Alaska Airlines
8.0
Very good
11,073 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,975 reviews
Alaska Airlines
8.0
Very good
11,073 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Air Canada
7.1
Good
10,291 reviews
Alaska Airlines
8.0
Very good
11,073 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 19h 30m. The distance from Portland to South Pacific is about 4676 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 Qantas Airways. According to our data, you can fly for as low as $507. Users have also found prices from $530 and $568 on United Airlines and Hawaiian Airlines, respectively.

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

    While some choose either Portland - Auckland Intl or Portland - Sydney Kingsford Smith, Portland - Melbourne 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, December is the cheapest month in which you can book a flight from Portland to South Pacific (average of $456). Flying from Portland to South Pacific in July is currently the most expensive (average of $956). 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.
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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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$456Average$1,115FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$550Average$1,125FlexibilityNo cancel feeOn-time85%
Qantas AirwaysCheapest$578Average$1,417FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$645Average$1,170FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$718Average$1,221FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$788Average$1,274FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$861Average$1,113FlexibilityNo cancel feeOn-time71%
Air Tahiti NuiCheapest$902Average$1,137FlexibilityNo cancel feeOn-time73%
Air New ZealandCheapest$960Average$1,483FlexibilityNo cancel feeOn-time78%
Air FranceCheapest$1,122Average$1,122FlexibilityNo cancel feeOn-time77%

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