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South Pacific

$421+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SYD
Feb 26 — Mar 51
Wed 2/26
Wed 3/5
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 February 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$879
(United Airlines)

One-way from

$421
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,039
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. 12% potential increase in price ($162 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 21, 2025.

This Air Canada deal was found by Cheapflights users on 2/20. 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.
Fri 6/207:40 pmPDX - MEL
2 stops22h 25mAir Canada
Mon 6/306:00 amMEL - PDX
2 stops20h 35mAir Canada
Deal found 2/20$873
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/198:55 amPDX - BNE
2 stops28h 35mUnited Airlines
Wed 3/2610:40 amBNE - PDX
2 stops29h 15mUnited Airlines
Deal found 2/19$879
This Justfly.com deal was found by Cheapflights users on 2/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/97:40 pmPDX - MEL
2 stops23h 20mMultiple Airlines
Sat 8/166:00 pmMEL - PDX
2 stops45h 56mMultiple Airlines
Deal found 2/19$881
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 3/195:00 amPDX - BNE
1 stop31h 30mAmerican Airlines
Wed 3/268:05 amBNE - PDX
1 stop22h 17mAmerican Airlines
Deal found 2/20$915
This Delta deal was found by Cheapflights users on 2/20. 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 3/195:40 amPDX - BNE
2 stops32h 05mDelta
Wed 3/2610:30 amBNE - PDX
1 stop22h 29mDelta
Deal found 2/20$920
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 3/107:00 amPDX - SYD
2 stops30h 00mUnited Airlines
Sun 3/1612:10 pmSYD - PDX
1 stop30h 40mUnited Airlines
Deal found 2/20$920
This Air Canada deal was found by Cheapflights users on 2/20. 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 3/87:05 pmPDX - SYD
2 stops32h 20mAir Canada
Mon 3/177:30 amSYD - PDX
2 stops25h 14mAir Canada
Deal found 2/20$927
This Delta deal was found by Cheapflights users on 2/20. 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 3/159:12 amPDX - SYD
2 stops26h 53mDelta
Sat 3/2210:05 amSYD - PDX
2 stops20h 18mDelta
Deal found 2/20$928
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 4/128:05 amPDX - RAR
1 stop17h 50mAlaska Airlines
Sun 4/2011:30 pmRAR - PDX
1 stop19h 20mAlaska Airlines
Deal found 2/20$945
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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 7/57:30 amPDX - RAR
1 stop18h 25mHawaiian Airlines
Sun 7/1311:30 pmRAR - PDX
1 stop14h 00mHawaiian Airlines
Deal found 2/20$946
This Justfly.com deal was found by Cheapflights users on 2/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/147:40 pmPDX - SYD
2 stops28h 00mMultiple Airlines
Sun 6/227:00 amSYD - PDX
2 stops19h 35mMultiple Airlines
Deal found 2/20$946
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Mon 3/37:05 pmPDX - CHC
2 stops32h 35mAir Canada
Mon 3/176:10 amCHC - PDX
2 stops23h 24mAir Canada
Deal found 2/20$949

Find flights from Portland to South Pacific within your budget

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 February 21, 2025.

Fly from

Portland

Fly to

South Pacific

Route

Depart

Return

Price

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 3/19

8:55 am-6:30 am

2 stops28h 35m

Brisbane

Wed 3/26

10:40 am-10:55 pm

2 stops29h 15m

$879

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 3/19

5:00 am-5:30 am

1 stop31h 30m

Brisbane

Wed 3/26

8:05 am-1:22 pm

1 stop22h 17m

$915

PortlandBrisbane

PDX - BNE

PDXBNE

Portland

Wed 3/19

5:40 am-6:45 am

2 stops32h 05m

Brisbane

Wed 3/26

10:30 am-3:59 pm

1 stop22h 29m

$920

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 3/10

7:00 am-7:00 am

2 stops30h 00m

Sydney Kingsford Smith

Sun 3/16

12:10 pm-12:50 am

1 stop30h 40m

$920

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Tue 2/25

3:25 pm-2:15 pm

2 stops27h 50m

Melbourne

Mon 3/10

8:10 am-2:44 pm

2 stops24h 34m

$924

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 3/8

7:05 pm-10:25 pm

2 stops32h 20m

Sydney Kingsford Smith

Tue 3/18

7:30 am-9:34 am

2 stops20h 04m

$927

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 3/15

9:12 am-6:05 am

2 stops26h 53m

Sydney Kingsford Smith

Sat 3/22

10:05 am-12:23 pm

2 stops20h 18m

$928

PortlandRarotonga

PDX - RAR

PDXRAR

Portland

Sat 4/12

8:05 am-10:55 pm

1 stop17h 50m

Rarotonga

Sun 4/20

11:30 pm-9:50 pm

1 stop19h 20m

$945

PortlandRarotonga

PDX - RAR

PDXRAR

Portland

Sat 7/5

7:30 am-10:55 pm

1 stop18h 25m

Rarotonga

Sun 7/13

11:30 pm-4:30 pm

1 stop14h 00m

$946

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 6/14

7:40 pm-4:40 pm

2 stops28h 00m

Sydney Kingsford Smith

Sun 6/22

7:00 am-9:35 am

2 stops19h 35m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Portland to South Pacific

Get recent, data-driven insights about flights from Portland to South Pacific including ideal travel times, pricing trends, and more.

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 $1,051). 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 February 21, 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 February 21, 2025.
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Overall

8.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

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
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Overall

8.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

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.

Korean Air
8.4
Very good
1,037 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Overall

8.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

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
8.4
Very good
836 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Overall

8.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

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.

Asiana Airlines
8.3
Very good
445 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Overall

8.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

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
1,299 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Overall

8.7

Boarding

8.7

Comfort

8.0

Entertainment

7.2

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 United Airlines. According to our data, you can fly for as low as $425. Users have also found prices from $428 and $492 on American Airlines and Delta, respectively.

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

    While some choose either Portland - Sydney Kingsford Smith or Portland - Melbourne, 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, February is the cheapest month in which you can book a flight from Portland to South Pacific (average of $1,051). 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.

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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 February 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$444Average$1,071FlexibilityNo cancel feeOn-time85%
DeltaCheapest$456Average$1,286FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$718Average$1,293FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$759Average$1,465FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$791Average$1,274FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$864Average$1,168FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,022Average$1,427FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$1,036Average$1,380FlexibilityNo cancel feeOn-time74%
Air Tahiti NuiCheapest$1,041Average$1,272FlexibilityNo cancel feeOn-time73%
Singapore AirlinesCheapest$1,275Average$1,502FlexibilityNo cancel feeOn-time81%
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