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$1,164+ Cheap flights from Portland, ME (PWM) to Sydney, NS (YQY)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YQY
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 (YQY). 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 October 30, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,164
(United)
Provider with most accurate pricing for Portland-Sydney flight deals.
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Provider most trusted by Cheapflights users for Portland-Sydney flights.
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From Portland to Sydney
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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 October 30, 2025.

This United deal was found by Cheapflights users on 10/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:00 amPWM - YQY
2 stops40h 18mMultiple Airlines
Sun 11/235:15 amYQY - PWM
2 stops19h 02mMultiple Airlines
Deal found 10/28$1,164
This United deal was found by Cheapflights users on 10/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:45 amPWM - YQY
2 stops23h 47mMultiple Airlines
Wed 11/1212:20 pmYQY - PWM
2 stops30h 28mMultiple Airlines
Deal found 10/30$1,322
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:45 amPWM - YQY
2 stops23h 47mAir Canada
Sat 11/1512:20 pmYQY - PWM
2 stops21h 59mAir Canada
Deal found 10/30$1,471
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amPWM - YQY
2 stops16h 18mAir Canada
Fri 11/1412:20 pmYQY - PWM
2 stops35h 57mAir Canada
Deal found 10/30$1,525
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:44 pmPWM - YQY
2 stops38h 48mAir Canada
Sat 11/1512:20 pmYQY - PWM
2 stops21h 59mAir Canada
Deal found 10/30$1,563
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:44 pmPWM - YQY
2 stops38h 48mAir Canada
Fri 11/1412:20 pmYQY - PWM
2 stops35h 57mAir Canada
Deal found 10/30$1,575
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:46 pmPWM - YQY
2 stops38h 46mAir Canada
Thu 11/1312:20 pmYQY - PWM
2 stops11h 57mAir Canada
Deal found 10/30$1,579
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:46 pmPWM - YQY
2 stops38h 46mAir Canada
Sat 11/1512:20 pmYQY - PWM
2 stops21h 59mAir Canada
Deal found 10/30$1,602
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:46 pmPWM - YQY
2 stops38h 46mAir Canada
Fri 11/1412:20 pmYQY - PWM
2 stops35h 57mAir Canada
Deal found 10/30$1,614
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amPWM - YQY
2 stops16h 18mAir Canada
Thu 11/1312:20 pmYQY - PWM
2 stops11h 57mAir Canada
Deal found 10/30$1,644
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:46 pmPWM - YQY
2 stops38h 46mAir Canada
Wed 11/1212:20 pmYQY - PWM
2 stops26h 16mAir Canada
Deal found 10/30$1,653
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amPWM - YQY
2 stops16h 18mAir Canada
Thu 11/1312:20 pmYQY - PWM
2 stops11h 57mAir Canada
Deal found 10/30$1,663

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 October 30, 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 - YQY

PWMYQY

Portland

Sat 11/15

6:00 am-11:18 pm

2 stops40h 18m

Sydney

Sun 11/23

5:15 am-11:17 pm

2 stops19h 02m

$1,164

PortlandSydney

PWM - YQY

PWMYQY

Portland

Mon 11/10

10:45 am-11:32 am

2 stops23h 47m

Sydney

Wed 11/12

12:20 pm-5:48 pm

2 stops30h 28m

$1,322

PortlandSydney

PWM - YQY

PWMYQY

Portland

Thu 11/13

10:45 am-11:32 am

2 stops23h 47m

Sydney

Sat 11/15

12:20 pm-9:19 am

2 stops21h 59m

$1,471

PortlandSydney

PWM - YQY

PWMYQY

Portland

Thu 11/13

6:00 am-11:18 pm

2 stops16h 18m

Sydney

Fri 11/14

12:20 pm-11:17 pm

2 stops35h 57m

$1,525

PortlandSydney

PWM - YQY

PWMYQY

Portland

Wed 11/12

7:44 pm-11:32 am

2 stops38h 48m

Sydney

Sat 11/15

12:20 pm-9:19 am

2 stops21h 59m

$1,563

PortlandSydney

PWM - YQY

PWMYQY

Portland

Wed 11/12

3:20 pm-11:32 am

2 stops19h 12m

Sydney

Fri 11/14

12:20 pm-11:17 pm

2 stops35h 57m

$1,575

PortlandSydney

PWM - YQY

PWMYQY

Portland

Tue 11/11

6:00 am-11:32 am

2 stops28h 32m

Sydney

Thu 11/13

12:20 pm-11:17 pm

2 stops11h 57m

$1,579

PortlandSydney

PWM - YQY

PWMYQY

Portland

Fri 11/7

7:46 pm-11:32 am

2 stops38h 46m

Sydney

Thu 11/13

12:20 pm-11:17 pm

2 stops11h 57m

$1,579

PortlandSydney

PWM - YQY

PWMYQY

Portland

Fri 11/7

7:46 pm-11:32 am

2 stops38h 46m

Sydney

Sat 11/15

12:20 pm-9:19 am

2 stops21h 59m

$1,602

PortlandSydney

PWM - YQY

PWMYQY

Portland

Sun 11/9

6:00 am-11:32 am

2 stops28h 32m

Sydney

Sat 11/15

12:20 pm-9:19 am

2 stops21h 59m

$1,602

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 12 results
1
2
  • Most accurate provider: When it comes to deals on Portland, Maine-Sydney, Nova Scotia flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Portland, Maine-Sydney, Nova Scotia flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Portland, Maine-Sydney, Nova Scotia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Sydney, Nova Scotia flights, Cheapflights users trust Expedia the most. Expedia 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, Nova Scotia 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.

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.

  • How long is the flight from Portland, Maine to Sydney, Nova Scotia?

    There are many flights that can get you from Portland, Maine to Sydney, Nova Scotia in 23h 47m. Fly via Air Canada to get the fastest option. Portland, Maine and Sydney, Nova Scotia are separated by a distance of 531 mi.

  • 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.

See more FAQs

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