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South Pacific

$1,455+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — 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

$1,455
(United Airlines)
From Portland to South Pacific
Search Deals

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 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.
Sat 11/295:30 amPWM - SYD
2 stops33h 30mUnited Airlines
Sat 12/1311:20 amSYD - PWM
3 stops27h 57mUnited Airlines
Deal found 6/10$1,455
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:37 pmPWM - SYD
2 stops27h 23mAmerican Airlines
Tue 11/1111:15 amSYD - PWM
2 stops27h 13mAmerican Airlines
Deal found 6/10$1,548
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/33:00 pmPWM - SYD
3 stops50h 35mAir Canada
Tue 11/1111:20 amSYD - PWM
3 stops27h 57mAir Canada
Deal found 6/10$2,298
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.
Mon 10/275:30 amPWM - GUM
3 stops26h 15mUnited Airlines
Fri 10/317:25 amGUM - PWM
3 stops29h 52mUnited Airlines
Deal found 6/11$2,305

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

PWM - SYD

PWMSYD

Portland

Sat 11/29

5:30 am-7:00 am

2 stops33h 30m

Sydney Kingsford Smith

Sat 12/13

11:20 am-9:27 pm

2 stops26h 07m

$1,455

PortlandSydney

PWM - SYD

PWMSYD

Portland

Mon 11/3

1:37 pm-9:00 am

2 stops27h 23m

Sydney Kingsford Smith

Tue 11/11

11:15 am-10:28 pm

2 stops27h 13m

$1,548

PortlandSydney

PWM - SYD

PWMSYD

Portland

Mon 11/3

3:00 pm-9:35 am

3 stops50h 35m

Sydney Kingsford Smith

Tue 11/11

11:20 am-11:17 pm

3 stops27h 57m

$2,298

PortlandTamuning

PWM - GUM

PWMGUM

Portland

Mon 10/27

5:30 am-9:45 pm

3 stops26h 15m

Tamuning Guam Intl

Fri 10/31

7:25 am-11:17 pm

3 stops29h 52m

$2,305

PortlandAuckland

PWM - AKL

PWMAKL

Portland

Sun 6/29

3:04 pm-5:00 am

2 stops45h 56m

$1,517

PortlandAuckland

PWM - AKL

PWMAKL

Portland

Sun 6/29

6:10 am-2:45 am

3 stops52h 35m

$2,484

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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, March is the cheapest month in which you can book a flight from Portland, Maine to South Pacific (average of $1,041). Flying from Portland, Maine 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 PWM 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, Maine 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.
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,531 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

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

    While some choose either Portland - Auckland Intl or Portland - Tamuning Guam Intl, Portland - Sydney Kingsford Smith 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, March is the cheapest month in which you can book a flight from Portland, Maine to South Pacific (average of $1,041). Flying from Portland, Maine 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.

See more FAQs

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Top 2 airlines flying from Portland to South Pacific

Discover the top 2 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
United AirlinesCheapest$977Average$1,476FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,169Average$1,451FlexibilityNo cancel feeOn-time71%

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