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South Pacific

$867+ Cheap flights from Portland, ME (PWM) to South Pacific

This is the cheapest round-trip 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.
PWM — SYD
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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Cheap 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 January 24, 2026.

This United Airlines deal was found by Cheapflights users on 1/23. 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 3/316:04 am
PWM
-
AKL
2 stops33h 06m
United Airlines
Sat 5/21:50 pm
AKL
-
PWM
2 stops26h 09m
United Airlines
Deal found 1/23$867
This American Airlines deal was found by Cheapflights users on 1/23. 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 2/217:00 am
PWM
-
PPT
2 stops27h 00m
American Airlines
Fri 3/611:45 pm
PPT
-
PWM
2 stops29h 34m
American Airlines
Deal found 1/23$1,419
This Delta deal was found by Cheapflights users on 1/23. 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.
Tue 3/315:23 am
PWM
-
AKL
2 stops33h 27m
Delta
Sat 5/21:00 pm
AKL
-
PWM
3 stops26h 23m
Delta
Deal found 1/23$1,438
This United Airlines deal was found by Cheapflights users on 1/24. 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 3/102:32 pm
PWM
-
SYD
2 stops25h 28m
United Airlines
Tue 3/1710:25 am
SYD
-
PWM
2 stops23h 48m
United Airlines
Deal found 1/24$1,471
This American Airlines deal was found by Cheapflights users on 1/23. 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 3/3112:44 pm
PWM
-
SYD
2 stops28h 21m
American Airlines
Sun 4/269:10 am
SYD
-
PWM
2 stops28h 00m
American Airlines
Deal found 1/23$1,473
This United Airlines deal was found by Cheapflights users on 1/24. 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 6/237:22 pm
PWM
-
SYD
3 stops45h 38m
United Airlines
Tue 7/1410:20 am
SYD
-
PWM
2 stops49h 07m
United Airlines
Deal found 1/24$1,518
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Sun 10/42:45 pm
PWM
-
SYD
2 stops26h 10m
United Airlines
Wed 10/2811:50 am
SYD
-
PWM
2 stops26h 07m
United Airlines
Deal found 1/24$1,567
This American Airlines deal was found by Cheapflights users on 1/24. 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 10/410:51 am
PWM
-
SYD
1 stop29h 04m
American Airlines
Sat 10/3111:15 am
SYD
-
PWM
2 stops26h 30m
American Airlines
Deal found 1/24$1,575
This United Airlines deal was found by Cheapflights users on 1/22. 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.
Sun 3/296:04 am
PWM
-
PPT
2 stops18h 51m
United Airlines
Thu 4/29:10 pm
PPT
-
PWM
2 stops36h 29m
United Airlines
Deal found 1/22$1,709
This Cathay Pacific deal was found by Cheapflights users on 1/23. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:17 am
PWM
-
SYD
3 stops42h 38m
Multiple Airlines
Sun 4/269:55 pm
SYD
-
PWM
2 stops39h 15m
Multiple Airlines
Deal found 1/23$1,924
This Cathay Pacific deal was found by Cheapflights users on 1/24. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:25 pm
PWM
-
SYD
3 stops38h 35m
Multiple Airlines
Wed 10/283:15 pm
SYD
-
PWM
2 stops45h 50m
Multiple Airlines
Deal found 1/24$1,975
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Sun 2/86:00 am
PWM
-
AKL
2 stops33h 10m
United Airlines
Thu 2/123:50 pm
AKL
-
PWM
2 stops25h 30m
United Airlines
Deal found 1/21$2,066

Find 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 January 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$867
(United Airlines)
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

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 January 24, 2026.
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

PortlandAuckland

PWM - AKL

PWMAKL

Portland

Tue 3/31

6:04 am-8:10 am

2 stops33h 06m

Auckland Intl

Sat 5/2

1:50 pm-11:59 pm

2 stops26h 09m

$867

PortlandPapeete

PWM - PPT

PWMPPT

Portland

Sat 2/21

7:00 am-5:00 am

2 stops27h 00m

Papeete Faaa

Fri 3/6

11:45 pm-10:19 am

2 stops29h 34m

$1,419

PortlandAuckland

PWM - AKL

PWMAKL

Portland

Tue 3/31

5:23 am-7:50 am

2 stops33h 27m

Auckland Intl

Sat 5/2

1:00 pm-11:23 pm

3 stops26h 23m

$1,438

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 3/10

2:32 pm-7:00 am

2 stops25h 28m

Sydney Kingsford Smith

Tue 3/17

10:25 am-7:13 pm

2 stops23h 48m

$1,471

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 6/23

6:00 am-6:50 am

2 stops34h 50m

Sydney Kingsford Smith

Tue 7/14

9:15 am-12:22 pm

2 stops41h 07m

$1,471

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 3/31

12:44 pm-8:05 am

2 stops28h 21m

Sydney Kingsford Smith

Sun 4/26

9:10 am-11:10 pm

2 stops28h 00m

$1,473

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 6/23

7:22 pm-7:00 am

3 stops45h 38m

Sydney Kingsford Smith

Tue 7/14

10:20 am-9:27 pm

2 stops49h 07m

$1,518

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 6/23

5:36 pm-6:55 am

1 stop23h 19m

Sydney Kingsford Smith

Tue 7/14

9:10 am-10:41 pm

2 stops27h 31m

$1,575

PortlandPapeete

PWM - PPT

PWMPPT

Portland

Sun 3/29

6:04 am-6:55 pm

2 stops18h 51m

Papeete Faaa

Thu 4/2

9:10 pm-3:39 pm

2 stops36h 29m

$1,709

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 3/31

6:17 am-3:55 pm

3 stops42h 38m

Sydney Kingsford Smith

Sun 4/26

9:55 pm-11:10 pm

2 stops39h 15m

$1,924

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 15 results
1
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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, Maine to South Pacific?

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to South Pacific (average of $251). Flying from Portland, Maine to South Pacific in July is currently the most expensive (average of $817). 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.

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?

    Portland (PWM) is the airport you will fly out of if you book a flight from Portland to South Pacific. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.

  • How long is the flight from Portland, Maine to South Pacific?

    For as low as $1,419, United Airlines can have you in South Pacific from Portland, Maine in 27h. The distance between Portland, Maine and South Pacific is about 6531 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    While some choose either Portland - Sydney Kingsford Smith or Portland - Auckland Intl, Portland - Papeete Faaa is the most popular route from Portland, Maine 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, Maine to South Pacific?

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to South Pacific (average of $251). Flying from Portland, Maine to South Pacific in July is currently the most expensive (average of $817). 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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