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$679+ Cheap flights from Maine 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SYD
Jun 7 — Jun 141
Sun 6/7
Sun 6/14
1 adult, Economy
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Cheap flight deals from Maine to Sydney

Cheapest flights from Maine to Sydney
Explore the most affordable flight options available from Maine to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 8, 2026.

This Qantas Airways deal was found by Cheapflights users on 5/7. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/113:00 pm
BOS
-
SYD
1 stop26h 05m
Qantas Airways
Tue 1/125:50 pm
SYD
-
BOS
2 stops39h 41m
Qantas Airways
Deal found 5/7$1,055
This Qantas Airways deal was found by Cheapflights users on 5/5. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:00 pm
BOS
-
SYD
1 stop29h 00m
Qantas Airways
Sat 11/77:15 pm
SYD
-
BOS
2 stops40h 15m
Qantas Airways
Deal found 5/5$1,056
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:45 am
BOS
-
SYD
1 stop33h 20m
American Airlines
Tue 6/99:10 am
SYD
-
BOS
1 stop27h 47m
American Airlines
Deal found 5/6$1,148
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 pm
BOS
-
SYD
1 stop23h 05m
American Airlines
Wed 6/109:10 am
SYD
-
BOS
1 stop35h 25m
American Airlines
Deal found 5/8$1,149
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sun 5/103:08 pm
BOS
-
SYD
2 stops25h 47m
United Airlines
Sun 5/2410:20 am
SYD
-
BOS
1 stop22h 39m
United Airlines
Deal found 5/6$1,151
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sun 5/106:20 pm
BOS
-
SYD
1 stop22h 40m
United Airlines
Wed 6/109:30 am
SYD
-
BOS
1 stop21h 50m
United Airlines
Deal found 5/6$1,152
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:00 pm
BOS
-
SYD
1 stop28h 30m
American Airlines
Wed 5/209:10 am
SYD
-
BOS
1 stop21h 43m
American Airlines
Deal found 5/6$1,156
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Wed 8/125:45 am
BOS
-
SYD
2 stops35h 15m
United Airlines
Wed 8/269:30 am
SYD
-
BOS
2 stops26h 28m
United Airlines
Deal found 5/7$1,160
This American Airlines deal was found by Cheapflights users on 5/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/74:06 pm
BOS
-
SYD
1 stop24h 49m
American Airlines
Mon 6/159:10 am
SYD
-
BOS
2 stops23h 55m
American Airlines
Deal found 5/7$1,161
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:29 pm
BOS
-
SYD
1 stop24h 36m
American Airlines
Wed 6/179:10 am
SYD
-
BOS
2 stops23h 34m
American Airlines
Deal found 5/8$1,162
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:55 am
BOS
-
SYD
1 stop29h 55m
Delta
Mon 5/259:15 am
SYD
-
BOS
2 stops24h 00m
Delta
Deal found 5/6$1,165
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
PWM
-
SYD
2 stops34h 50m
Delta
Wed 6/109:15 am
SYD
-
PWM
2 stops27h 50m
Delta
Deal found 5/7$1,165

Find flight deals from Maine to Sydney

Keep the following information in mind while searching for Maine to Sydney flight deals. Data was last updated May 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,055
(Qantas Airways)

One-way from

$679
(Kiwi.com)
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 Maine to Sydney Kingsford Smith
Search Deals
One-way flight from Maine to Sydney Kingsford Smith
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maine 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 May 8, 2026.
Use the filters below to find and compare flights from Maine to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 6/1

5:45 am-7:00 am

2 stops35h 15m

Sydney Kingsford Smith

Wed 6/10

9:30 am-5:20 pm

1 stop21h 50m

$1,160

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 5/11

8:05 am-7:00 am

2 stops32h 55m

Sydney Kingsford Smith

Tue 6/16

10:20 am-5:04 pm

1 stop20h 44m

$1,160

PortlandSydney

PWM - SYD

PWMSYD

Portland

Wed 6/3

6:00 am-6:50 am

2 stops34h 50m

Sydney Kingsford Smith

Wed 6/10

9:15 am-11:05 pm

2 stops27h 50m

$1,165

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Fri 6/5

5:45 am-7:00 am

2 stops35h 15m

Sydney Kingsford Smith

Sat 8/15

9:30 am-9:58 pm

2 stops26h 28m

$1,260

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 6/2

3:08 pm-6:55 am

2 stops25h 47m

Sydney Kingsford Smith

Tue 6/16

10:20 am-5:04 pm

1 stop20h 44m

$1,340

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 5/13

12:05 pm-6:50 am

2 stops28h 45m

Sydney Kingsford Smith

Sat 5/23

9:15 am-7:09 pm

2 stops23h 54m

$1,365
Quickest round-trip

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Fri 5/15

6:01 pm-6:55 am

1 stop22h 54m

Sydney Kingsford Smith

Mon 6/1

10:20 am-5:04 pm

1 stop20h 44m

$1,390

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 5/21

6:15 am-6:50 am

1 stop34h 35m

Sydney Kingsford Smith

Thu 5/28

9:15 am-7:09 pm

2 stops23h 54m

$1,463

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 6/9

12:30 pm-6:55 am

2 stops28h 25m

Sydney Kingsford Smith

Sun 6/21

9:30 am-9:21 pm

2 stops25h 51m

$1,523

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 6/9

1:55 pm-6:50 am

2 stops26h 55m

Sydney Kingsford Smith

Sun 6/21

9:15 am-6:05 am

2 stops34h 50m

$1,598

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

Showing 1-10 of 34 resultsSorted by cheapest first
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Best time to book a flight from Maine to Sydney

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

Related info for your journey

Find useful and relevant information for your journey from Maine to Sydney. 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 into for flights to Sydney from Maine?

    For a flight from Maine to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city.

  • How long is the flight from Maine to Sydney?

    For as low as $1,165, United Airlines can have you in Sydney from Maine in 34h 50m. The distance from Maine to Sydney is about 10124 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Maine to Sydney?

    When deciding which route to take from Maine to Sydney consider Boston Logan Intl - Sydney Kingsford Smith, Bangor - Sydney Kingsford Smith or Bar Harbor - Sydney Kingsford Smith as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maine 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

Traveling to a place near Sydney?

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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Maine to Sydney

Discover the top airline that operate flights from Maine to Sydney. 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 May 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,416Average$1,871FlexibilityNo cancel feeOn-time71%

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