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$930+ Cheap flights from Portland, ME (PWM) to Sydney (SYD)

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SYD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Portland to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,796
(American Airlines)

One-way from

$930
(United Airlines)
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 Sydney Kingsford Smith
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One-way flight from Portland to Sydney Kingsford Smith
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Find flight deals from Portland to Sydney

Cheapest flights from Portland to Sydney
Explore the most affordable flight options available from Portland to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Delta deal was found by Cheapflights users on 4/17. 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 10/156:30 amPWM - SYD
2 stops34h 05mDelta
Mon 10/2710:05 amSYD - PWM
2 stops28h 43mDelta
Deal found 4/17$1,571
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 11/287:22 pmPWM - SYD
2 stops43h 38mUnited Airlines
Tue 12/1612:10 pmSYD - PWM
2 stops23h 14mUnited Airlines
Deal found 4/16$1,629
This American Airlines deal was found by Cheapflights users on 4/17. 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 10/1812:27 pmPWM - SYD
2 stops28h 38mAmerican Airlines
Sat 10/2510:10 amSYD - PWM
2 stops29h 23mAmerican Airlines
Deal found 4/17$1,646
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Tue 10/216:00 amPWM - SYD
3 stops59h 20mAir Canada
Mon 10/2710:20 amSYD - PWM
2 stops27h 57mAir Canada
Deal found 4/17$1,706
This Turkish Airlines deal was found by Cheapflights users on 4/17. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/172:15 pmPWM - SYD
3 stops38h 45mTurkish Airlines
Fri 10/249:55 pmSYD - PWM
3 stops39h 04mTurkish Airlines
Deal found 4/17$1,817
This Ovago deal was found by Cheapflights users on 4/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:55 pmPWM - SYD
2 stops45h 25mKorean Air
Thu 10/238:55 amSYD - PWM
2 stops29h 53mKorean Air
Deal found 4/17$2,322
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/202:15 pmPWM - SYD
3 stops39h 00mSingapore Airlines
Thu 10/238:55 amSYD - PWM
3 stops52h 04mSingapore Airlines
Deal found 4/17$2,340
This Qantas Airways deal was found by Cheapflights users on 4/17. 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 10/1811:29 amPWM - SYD
3 stops29h 01mMultiple Airlines
Sat 10/2510:10 amSYD - PWM
2 stops26h 49mMultiple Airlines
Deal found 4/17$2,408
This Ovago deal was found by Cheapflights users on 4/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:30 amPWM - SYD
2 stops56h 50mJapan Airlines
Thu 10/239:55 amSYD - PWM
2 stops51h 04mJapan Airlines
Deal found 4/17$2,423
This Qatar Airways deal was found by Cheapflights users on 4/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1712:27 pmPWM - SYD
2 stops38h 43mQatar Airways
Sun 10/269:40 pmSYD - PWM
2 stops39h 26mQatar Airways
Deal found 4/17$3,166
This Ovago deal was found by Cheapflights users on 4/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/205:20 amPWM - SYD
3 stops62h 15mLATAM Airlines
Sat 4/2611:50 amSYD - PWM
3 stops50h 09mLATAM Airlines
Deal found 4/16$4,177

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Sydney 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 April 17, 2025.
Use the filters below to find and compare flights from Portland to Sydney that are best for you.

Fly from

Portland

Fly to

Sydney

Route

Depart

Return

Price

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sat 5/31

4:01 pm-7:05 am

2 stops25h 04m

Sydney Kingsford Smith

Sat 6/7

9:10 am-10:44 pm

2 stops27h 34m

$1,796

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sat 5/31

2:14 pm-6:55 am

2 stops26h 41m

Sydney Kingsford Smith

Sat 6/7

9:30 am-9:56 pm

2 stops26h 26m

$1,811

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sat 5/31

6:10 am-7:20 am

3 stops35h 10m

Sydney Kingsford Smith

Sat 6/7

9:20 am-11:31 pm

3 stops28h 11m

$2,375

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sat 7/5

4:56 pm-6:55 am

2 stops47h 59m

$930

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Compare providers for flights from Portland to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Sydney in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Sydney flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland, Maine-Sydney flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Portland, Maine-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Sydney flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

What is the cheapest month to book a flight from Portland, Maine to Sydney?

Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Sydney (average of $1,046). Flying from Portland, Maine to Sydney 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.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney 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 Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, 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 Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated April 17, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines and Air Canada from Portland to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Entertainment

7.0

Food

6.6

Crew

8.1

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
8,667 reviews
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Entertainment

7.0

Food

6.6

Crew

8.1

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
8,667 reviews

Boarding

7.7

Entertainment

7.0

Food

6.6

Crew

8.1

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
7.0
Good
9,143 reviews
United Airlines
7.4
Good
8,667 reviews

Boarding

7.7

Entertainment

7.0

Food

6.6

Crew

8.1

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 Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Portland, Maine to Sydney round-trip?

    According to our current data, American Airlines ($1,796), United Airlines ($1,811), and Air Canada ($2,375) offers the cheapest pricing from Portland, Maine to Sydney.

  • Can I find deals for flights from Portland to Sydney that include hotel bookings?

    Yes. In addition to deals on Portland to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Sydney.

  • Can I find deals for business class flights from Portland to Sydney?

    Yes. Cheapflights offers flight deals from Portland to Sydney 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 Sydney?

    Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Sydney (average of $1,046). Flying from Portland, Maine to Sydney 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.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Wollongong
Parramatta
Coogee
Manly

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