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$446+ Cheap flights from Portland, ME (PWM) to Sydney, NS (YQY)

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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — YQY
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$1,046
(Air Canada)

One-way from

$446
(United)
From Portland to Sydney
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One-way flight 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 September 17, 2025.

This Air Canada deal was found by Cheapflights users on 9/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:00 amPWM - YQY
2 stops15h 29mMultiple Airlines
Fri 11/75:30 amYQY - PWM
2 stops18h 47mMultiple Airlines
Deal found 9/16$1,046
This Air Canada deal was found by Cheapflights users on 9/15. 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 10/306:00 amPWM - YQY
2 stops15h 29mMultiple Airlines
Thu 11/65:30 amYQY - PWM
2 stops18h 47mMultiple Airlines
Deal found 9/15$1,280
This Air Canada deal was found by Cheapflights users on 9/15. 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 10/113:45 pmPWM - YQY
2 stops23h 03mAir Canada
Sat 10/185:15 amYQY - PWM
2 stops28h 56mAir Canada
Deal found 9/15$1,412

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 September 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 - YQY

PWMYQY

Portland

Fri 10/31

6:00 am-10:29 pm

2 stops15h 29m

Sydney

Fri 11/7

5:30 am-11:17 pm

2 stops18h 47m

$1,046

PortlandSydney

PWM - YQY

PWMYQY

Portland

Thu 10/30

6:00 am-10:29 pm

2 stops15h 29m

Sydney

Thu 11/6

5:30 am-11:17 pm

2 stops18h 47m

$1,280

PortlandSydney

PWM - YQY

PWMYQY

Portland

Sat 10/11

3:45 pm-3:48 pm

2 stops23h 03m

Sydney

Sat 10/18

5:15 am-9:11 am

2 stops28h 56m

$1,412

PortlandSydney

PWM - YQY

PWMYQY

Portland

Tue 10/28

6:00 am-10:29 pm

2 stops15h 29m

$446

PortlandSydney

PWM - YQY

PWMYQY

Portland

Sat 10/25

6:00 am-11:32 am

2 stops28h 32m

$467

PortlandSydney

PWM - YQY

PWMYQY

Portland

Sun 10/26

6:00 am-3:49 pm

2 stops8h 49m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 03m. 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.

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