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$1,331+ Cheap flights from Portland, ME (PWM) to Sydney (SYD)

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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SYD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$1,331
(United Airlines)
From Portland to Sydney Kingsford Smith
Search Deals

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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/1. 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 8/164:56 pmPWM - SYD
2 stops24h 04mUnited Airlines
Sat 8/239:30 amSYD - PWM
2 stops27h 33mUnited Airlines
Deal found 7/1$1,331
This American Airlines deal was found by Cheapflights users on 6/30. 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 11/87:48 amPWM - SYD
2 stops31h 37mAmerican Airlines
Fri 11/212:20 pmSYD - PWM
2 stops25h 28mAmerican Airlines
Deal found 6/30$1,440
This Delta deal was found by Cheapflights users on 7/2. 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.
Thu 11/135:40 amPWM - SYD
2 stops34h 50mDelta
Mon 11/1710:40 amSYD - PWM
2 stops28h 51mDelta
Deal found 7/2$1,654
This Qantas Airways deal was found by Cheapflights users on 7/1. 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.
Tue 10/74:14 pmPWM - SYD
2 stops24h 51mMultiple Airlines
Tue 10/149:30 pmSYD - PWM
3 stops30h 05mMultiple Airlines
Deal found 7/1$1,799
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:17 pmPWM - SYD
3 stops38h 43mTurkish Airlines
Tue 10/149:55 pmSYD - PWM
3 stops39h 06mTurkish Airlines
Deal found 7/2$1,950
This Orbitz deal was found by Cheapflights users on 6/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amPWM - SYD
3 stops35h 35mAir Canada
Fri 11/2111:20 amSYD - PWM
3 stops46h 28mAir Canada
Deal found 6/30$1,957

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 July 3, 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 8/16

4:56 pm-7:00 am

2 stops24h 04m

Sydney Kingsford Smith

Sat 8/23

9:30 am-11:03 pm

2 stops27h 33m

$1,331

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sat 11/8

7:48 am-7:25 am

2 stops31h 37m

Sydney Kingsford Smith

Fri 11/21

2:20 pm-11:48 pm

2 stops25h 28m

$1,440

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 11/13

5:40 am-8:30 am

2 stops34h 50m

Sydney Kingsford Smith

Mon 11/17

10:40 am-11:31 pm

2 stops28h 51m

$1,654

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 10/7

4:14 pm-8:05 am

2 stops24h 51m

Sydney Kingsford Smith

Tue 10/14

9:30 pm-12:35 pm

3 stops30h 05m

$1,799

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 10/7

2:17 pm-8:00 pm

3 stops38h 43m

Sydney Kingsford Smith

Tue 10/14

9:55 pm-10:01 pm

3 stops39h 06m

$1,950

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sat 11/8

6:00 am-9:35 am

3 stops35h 35m

Sydney Kingsford Smith

Fri 11/21

11:20 am-5:48 pm

3 stops46h 28m

$1,957

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 $1,040). Flying from Portland, Maine to Sydney in December is currently the most expensive (average of $1,630). 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.

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 July 3, 2025.
Read through reviews of airlines operating flights from Portland to Sydney, such as Delta, United Airlines, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,895 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,681 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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, United Airlines ($1,331), American Airlines ($1,440), and Delta ($1,654) 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 $1,040). Flying from Portland, Maine to Sydney in December is currently the most expensive (average of $1,630). 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
Manly
Coogee

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