HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Pacific

$1,115+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SYD
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
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

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 December 21, 2025.

This United Airlines deal was found by Cheapflights users on 12/19. 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.
Mon 12/227:30 pmPWM - SYD
2 stops43h 30mUnited Airlines
Fri 1/211:50 amSYD - PWM
2 stops27h 32mUnited Airlines
Deal found 12/19$6,442
This Booking.com deal was found by Cheapflights users on 12/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:55 pmPWM - SYD
3 stops50h 40mAir Canada
Fri 1/211:20 amSYD - PWM
3 stops42h 19mAir Canada
Deal found 12/19$10,309
This Air Canada deal was found by Cheapflights users on 12/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:30 amPWM - SYD
2 stops32h 05mMultiple Airlines
Fri 1/211:20 amSYD - PWM
3 stops28h 02mMultiple Airlines
Deal found 12/19$11,622

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 December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,115
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$1,920
Provider with most accurate pricing for Boston Logan Intl-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Sydney Kingsford Smith flights.
Search Deals
From Portland to South Pacific
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 21, 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

PortlandAuckland

PWM - AKL

PWMAKL

Portland

Fri 1/30

8:40 am-9:10 am

2 stops30h 30m

Auckland Intl

Tue 2/3

3:50 pm-2:31 pm

2 stops40h 41m

$1,115

PortlandPapeete

PWM - PPT

PWMPPT

Portland

Sun 1/18

7:00 am-4:00 am

2 stops26h 00m

Papeete Faaa

Sun 1/25

7:00 am-10:54 pm

2 stops34h 54m

$1,333

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-11:17 pm

2 stops18h 32m

$1,418

PortlandAuckland

PWM - AKL

PWMAKL

Portland

Sun 2/15

6:00 am-9:10 am

2 stops33h 10m

Auckland Intl

Sat 2/21

3:50 pm-9:09 pm

2 stops47h 19m

$1,548

PortlandSydney

PWM - SYD

PWMSYD

Portland

Wed 2/4

12:10 pm-8:30 am

2 stops28h 20m

Sydney Kingsford Smith

Wed 2/11

10:40 am-10:27 pm

2 stops27h 47m

$1,589

PortlandSydney

PWM - SYD

PWMSYD

Portland

Wed 2/4

2:31 pm-9:05 am

2 stops26h 34m

Sydney Kingsford Smith

Wed 2/11

12:10 pm-11:21 pm

3 stops27h 11m

$1,717

PortlandPapeete

PWM - PPT

PWMPPT

Portland

Wed 1/21

11:12 am-8:00 pm

2 stops37h 48m

Papeete Faaa

Sat 1/24

8:40 pm-11:30 pm

2 stops21h 50m

$1,737

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sat 2/28

3:05 pm-9:35 am

2 stops26h 30m

Sydney Kingsford Smith

Wed 3/4

11:20 am-10:51 pm

3 stops51h 31m

$2,168

PortlandSydney

PWM - SYD

PWMSYD

Portland

Mon 2/9

9:40 am-6:20 am

2 stops28h 40m

Sydney Kingsford Smith

Fri 2/13

11:20 am-9:09 pm

2 stops25h 49m

$2,268

PortlandTamuning

PWM - GUM

PWMGUM

Portland

Tue 3/10

5:45 am-6:50 pm

2 stops23h 05m

Tamuning Guam Intl

Sat 3/14

7:20 pm-11:00 pm

2 stops41h 40m

$2,302

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 20 results
1
2

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 $1,333, United Airlines can have you in South Pacific from Portland, Maine in 26h. 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 - Tamuning Guam Intl 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

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.
Boston to Fort Lauderdale flights
Boston to Miami flights
Boston to Orlando flights
Boston to Cancún flights
Boston to Tampa flights
Boston to Las Vegas flights
Boston to Los Angeles flights
Boston to Luis Munoz Marin Intl flights
Boston to Heathrow flights
Boston to Dallas/Fort Worth flights
Boston to Denver flights
Boston to Fort Myers flights
Boston to West Palm Beach flights
Boston to Sky Harbor Intl flights
Boston to San Francisco flights
Boston to Atlanta flights
Boston to Seattle flights
Boston to O'Hare Intl flights
Boston to Charles de Gaulle flights
Boston to Narita flights
Boston to Baltimore flights
Boston to Hobby flights
Boston to Sarasota flights
Boston to New Orleans flights
Boston to Oranjestad flights
Boston to Salt Lake City flights
Boston to Leonardo da Vinci/Fiumicino flights
Boston to Santo Domingo flights
Boston to Punta Cana flights
Boston to Dublin flights
Boston to Lisbon flights
Boston to Dulles Intl flights
Boston to George Bush Intcntl flights
Boston to Charlotte flights
Boston to Reagan-National flights
Boston to Mexico City flights
Boston to Austin flights
Boston to San Diego flights
Boston to Gatwick flights
Boston to Charleston flights
Boston to Nashville flights
Boston to London City flights
Boston to Haneda flights
Boston to LaGuardia flights
Boston to Philadelphia flights
Boston to Saint Thomas Island flights
Boston to Amsterdam flights
Boston to Key West flights
Boston to Athens flights
Boston to Raleigh flights

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.
Site
©2025 Cheapflights