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$833+ Cheap flights from Portland, ME (PWM) to Australia

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SYD
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Cheap flight deals from Portland to Australia

Cheapest flights from Portland to Australia
Explore the most affordable flight options available from Portland to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.

This Delta deal was found by Cheapflights users on 6/5. 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 6/231:55 pm
PWM
-
SYD
2 stops26h 55m
Delta
Tue 7/79:15 am
SYD
-
PWM
2 stops29h 44m
Delta
Deal found 6/5$1,165
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Thu 7/25:15 am
PWM
-
SYD
3 stops35h 40m
United Airlines
Thu 7/910:20 am
SYD
-
PWM
2 stops27h 31m
United Airlines
Deal found 6/4$1,265
This Delta deal was found by Cheapflights users on 6/5. 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 7/226:00 am
PWM
-
SYD
2 stops34h 50m
Delta
Fri 8/79:15 am
SYD
-
PWM
2 stops29h 44m
Delta
Deal found 6/5$1,460
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 7/236:00 am
PWM
-
SYD
2 stops34h 55m
United Airlines
Thu 7/309:30 am
SYD
-
PWM
2 stops38h 37m
United Airlines
Deal found 6/8$1,482
This American Airlines deal was found by Cheapflights users on 6/5. 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.
Wed 7/225:33 pm
PWM
-
SYD
1 stop23h 22m
American Airlines
Fri 8/79:10 am
SYD
-
PWM
2 stops26h 11m
American Airlines
Deal found 6/5$1,618
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/216:00 am
PWM
-
SYD
2 stops34h 55m
United Airlines
Tue 7/2810:20 am
SYD
-
PWM
2 stops25h 21m
United Airlines
Deal found 6/6$1,663
This Etihad Airways deal was found by Cheapflights users on 6/6. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
PWM
-
SYD
2 stops58h 10m
Etihad Airways
Mon 8/178:50 pm
SYD
-
PWM
2 stops54h 55m
Etihad Airways
Deal found 6/6$1,850
This Ovago deal was found by Cheapflights users on 6/7. 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 7/55:15 am
PWM
-
SYD
2 stops38h 10m
ANA
Sat 7/1111:45 am
SYD
-
PWM
2 stops50h 06m
ANA
Deal found 6/7$1,918
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/58:00 am
PWM
-
SYD
1 stop33h 00m
United Airlines
Sat 7/1110:20 am
SYD
-
PWM
1 stop20h 37m
United Airlines
Deal found 6/7$2,360

Find flight deals from Portland to Australia

Keep the following information in mind while searching for Portland to Australia flight deals. Data was last updated June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,165
(Delta)

One-way from

$833
(Delta)
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 Australia
Search Deals
One-way flight from Portland to Australia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Australia 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 9, 2026.
Use the filters below to find and compare flights from Portland to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 6/23

1:55 pm-6:50 am

2 stops26h 55m

Sydney Kingsford Smith

Tue 7/7

9:15 am-12:59 am

2 stops29h 44m

$1,165

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 7/2

5:15 am-6:55 am

3 stops35h 40m

Sydney Kingsford Smith

Thu 7/9

10:20 am-11:51 pm

2 stops27h 31m

$1,265

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 7/2

10:55 am-7:00 am

2 stops30h 05m

Sydney Kingsford Smith

Thu 7/9

9:30 am-9:41 pm

2 stops26h 11m

$1,265

PortlandSydney

PWM - SYD

PWMSYD

Portland

Wed 7/22

6:00 am-6:50 am

2 stops34h 50m

Sydney Kingsford Smith

Fri 8/7

9:15 am-12:59 am

2 stops29h 44m

$1,460

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 7/23

6:00 am-6:55 am

2 stops34h 55m

Sydney Kingsford Smith

Thu 7/30

9:30 am-10:07 am

2 stops38h 37m

$1,482
Quickest round-trip

PortlandSydney

PWM - SYD

PWMSYD

Portland

Wed 7/22

5:33 pm-6:55 am

1 stop23h 22m

Sydney Kingsford Smith

Fri 8/7

9:10 am-9:21 pm

2 stops26h 11m

$1,618

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 7/21

6:00 am-6:55 am

2 stops34h 55m

Sydney Kingsford Smith

Tue 7/28

10:20 am-9:41 pm

2 stops25h 21m

$1,663

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 8/13

6:00 am-6:10 am

2 stops58h 10m

Sydney Kingsford Smith

Mon 8/17

8:50 pm-1:45 pm

2 stops54h 55m

$1,851

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sun 7/5

5:15 am-9:25 am

2 stops38h 10m

Sydney Kingsford Smith

Sat 7/11

11:45 am-11:51 pm

2 stops50h 06m

$1,918

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sun 7/5

8:00 am-7:00 am

1 stop33h 00m

Sydney Kingsford Smith

Sat 7/11

10:20 am-4:57 pm

1 stop20h 37m

$2,360

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Portland to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated June 9, 2026.
Get a feel of what it's like to fly with American Airlines from Portland to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,640 reviews

Food

6.4

Crew

7.9

Overall

7.1

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,640 reviews
American Airlines
7.1
Good
11,640 reviews

Food

6.4

Crew

7.9

Overall

7.1

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

Related info for your journey

Find useful and relevant information for your journey from Portland to Australia. 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 Australia?

    Most people fly from Portland (PWM) if they book a flight from Portland to Australia. Portland is conveniently located just 2.9 mi from Portland’s city center.

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

    Departing from Portland, Maine to Australia will take you 26h 55m. The distance from Portland, Maine to Australia is about 10124 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Portland to Australia

Discover the top airline that operate flights from Portland to Australia. 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 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,691Average$2,325FlexibilityNo cancel feeOn-time71%

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