What is the cheapest airline that flies from Maine to Sydney Kingsford Smith?

ANA, Qantas Airways, and Air Canada are the most popular carriers operating from Maine to Sydney Kingsford Smith

How long does it take to fly to Sydney?

Flight times from Maine to Sydney vary, but if you’re flying out of Portland and flying into Sydney (one of the most popular routes), then the duration is 26h 05m on average. Another popular route from Maine to Sydney is flying from Bangor to Sydney, which will take roughly 34h 05m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Maine to Sydney Kingsford Smith Airport?

Prices for flights from Maine to Sydney Kingsford Smith Airport refresh daily.

How many operators does momondo search for flights from Maine to Sydney Kingsford Smith Airport?

There are 10 operators available for flights from Maine to Sydney Kingsford Smith Airport as of August 2025.

How old do you have to be to fly from Maine to Sydney Kingsford Smith Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Maine to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$477 Cheap Flights from Maine to Sydney in 2025

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Find the cheapest flights from Maine to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

10:35 am - 8:35 amBOS-SYD

31h 00m2 stops

11:20 am - 9:32 amSYD-BOS

38h 12m2 stops

$898Air Canada

Find Deal

Thu, Oct 30 - Sun, Nov 9

3:40 pm - 8:35 amBOS-SYD

25h 55m2 stops

11:20 am - 9:32 amSYD-BOS

38h 12m3 stops

$905Air Canada

Find Deal

Thu, Oct 30 - Sun, Nov 9

10:53 am - 7:05 amBOS-SYD

30h 12m2 stops

9:20 am - 9:55 amSYD-BOS

38h 35m2 stops

$1,045

Find Deal

Thu, Sep 25 - Thu, Oct 2

10:53 am - 7:05 amBOS-SYD

30h 12m2 stops

9:20 am - 10:39 pmSYD-BOS

27h 19m2 stops

$1,070

Find Deal

Thu, Sep 25 - Thu, Oct 2

8:15 am - 9:20 amBOS-SYD

33h 05m2 stops

2:20 pm - 9:10 pmSYD-BOS

22h 50m1 stop

$1,078Qantas Airways

Find Deal

Sat, Jan 17 - Sat, Jan 31

12:00 pm - 9:20 amBOS-SYD

29h 20m2 stops

2:20 pm - 11:06 pmSYD-BOS

24h 46m1 stop

$1,105Qantas Airways

Find Deal

Tue, Nov 18 - Fri, Nov 28

10:40 am - 10:30 amBOS-SYD

31h 50m2 stops

9:45 pm - 7:25 pmSYD-BOS

37h 40m2 stops

$1,169ANA

Find Deal

Mon, Nov 24 - Mon, Dec 8

12:25 pm - 8:15 pmBOS-SYD

39h 50m2 stops

9:45 pm - 9:45 pmSYD-BOS

40h 00m2 stops

$1,171ANA

Find Deal

Mon, Nov 24 - Mon, Dec 8

12:50 pm - 6:50 amPWM-SYD

26h 00m2 stops

10:40 am - 11:29 pmSYD-PWM

28h 49m2 stops

$1,455Delta

Find Deal

Sat, Jan 17 - Tue, Feb 3

12:50 pm - 6:50 amPWM-SYD

50h 00m2 stops

2:15 pm - 9:59 pmSYD-PWM

23h 44m2 stops

$1,475Delta

Find Deal

Fri, Jan 16 - Tue, Feb 3

Qantas Airways flights from Maine to Sydney

Our best Qantas Airways deals on Maine to Sydney flight tickets

Qantas Airways

Jan 17

BOS8:15 amBoston Logan Intl

33h 05m

2 stops

SYD9:20 amSydney Kingsford Smith

Jan 31

SYD2:20 pmSydney Kingsford Smith

22h 50m

1 stop

BOS9:10 pmBoston Logan Intl

$1,078

Find similar

Qantas Airways

Nov 18

BOS12:00 pmBoston Logan Intl

29h 20m

2 stops

SYD9:20 amSydney Kingsford Smith

Nov 28

SYD2:20 pmSydney Kingsford Smith

24h 46m

1 stop

BOS11:06 pmBoston Logan Intl

$1,105

Find similar

Qantas Airways

Nov 8

BOS8:15 amBoston Logan Intl

33h 05m

2 stops

SYD9:20 amSydney Kingsford Smith

Nov 19

SYD2:20 pmSydney Kingsford Smith

22h 10m

1 stop

BOS8:30 pmBoston Logan Intl

$1,106

Find similar

ANA flights from Maine to Sydney

Our best ANA deals on Maine to Sydney flight tickets

ANA

Nov 24

BOS10:40 amBoston Logan Intl

31h 50m

2 stops

SYD10:30 amSydney Kingsford Smith

Dec 8

SYD9:45 pmSydney Kingsford Smith

37h 40m

2 stops

BOS7:25 pmBoston Logan Intl

$1,169

Find similar

ANA

Nov 24

BOS12:25 pmBoston Logan Intl

39h 50m

2 stops

SYD8:15 pmSydney Kingsford Smith

Dec 8

SYD9:45 pmSydney Kingsford Smith

40h 00m

2 stops

BOS9:45 pmBoston Logan Intl

$1,171

Find similar

ANA

Oct 20

BOS6:00 amBoston Logan Intl

47h 15m

2 stops

SYD8:15 pmSydney Kingsford Smith

Nov 2

SYD9:45 pmSydney Kingsford Smith

37h 35m

2 stops

BOS7:20 pmBoston Logan Intl

$1,182

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 10/30

10:35 am-8:35 am

2 stops31h 00m

Sydney Kingsford Smith

Sun 11/9

11:20 am-9:32 am

2 stops38h 12m

$898

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 10/30

3:40 pm-8:35 am

2 stops25h 55m

Sydney Kingsford Smith

Sun 11/9

11:20 am-9:32 am

3 stops38h 12m

$905

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 9/25

10:53 am-7:05 am

2 stops30h 12m

Sydney Kingsford Smith

Thu 10/2

9:20 am-9:55 am

2 stops38h 35m

$1,045

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 9/25

10:53 am-7:05 am

2 stops30h 12m

Sydney Kingsford Smith

Thu 10/2

9:20 am-10:39 pm

2 stops27h 19m

$1,070

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 1/17

8:15 am-9:20 am

2 stops33h 05m

Sydney Kingsford Smith

Sat 1/31

2:20 pm-9:10 pm

1 stop22h 50m

$1,078

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 11/18

12:00 pm-9:20 am

2 stops29h 20m

Sydney Kingsford Smith

Fri 11/28

2:20 pm-11:06 pm

1 stop24h 46m

$1,105

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 11/24

10:40 am-10:30 am

2 stops31h 50m

Sydney Kingsford Smith

Mon 12/8

9:45 pm-7:25 pm

2 stops37h 40m

$1,169

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 11/24

12:25 pm-8:15 pm

2 stops39h 50m

Sydney Kingsford Smith

Mon 12/8

9:45 pm-9:45 pm

2 stops40h 00m

$1,171

PortlandSydney

PWM - SYD

PWMSYD

Portland

Sat 1/17

12:50 pm-6:50 am

2 stops26h 00m

Sydney Kingsford Smith

Tue 2/3

10:40 am-11:29 pm

2 stops28h 49m

$1,455

PortlandSydney

PWM - SYD

PWMSYD

Portland

Fri 1/16

12:50 pm-6:50 am

2 stops50h 00m

Sydney Kingsford Smith

Tue 2/3

2:15 pm-9:59 pm

2 stops23h 44m

$1,475

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Maine to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Maine to Sydney is on a Wednesday when prices can be found for as low as $1,446. The most expensive day to fly to Sydney is Monday, with ticket prices averaging around $2,111.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from Maine to Sydney at noon for as low as $1,492. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the afternoon, with an average ticket price of $1,496. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Maine to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to Sydney

Best Price Found	$477
Fastest flight time	22h 58m
Direct flights	None
Airports in Sydney	1 airport

The best one-way flight to Sydney from Maine in the past 72 hours is $477. The best round-trip flight deal from Maine to Sydney found on momondo in the last 72 hours is $898.

The fastest flight from Maine to Sydney takes 22h 58m

There are no direct flights from Maine to Sydney. Popular non-direct route for this connection is Boston Logan Intl Airport - Sydney Kingsford Smith Airport.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

Search flight deals

When did momondo last update prices for flights from Maine to Sydney Kingsford Smith Airport?
Prices for flights from Maine to Sydney Kingsford Smith Airport refresh daily.
How many operators does momondo search for flights from Maine to Sydney Kingsford Smith Airport?
There are 10 operators available for flights from Maine to Sydney Kingsford Smith Airport as of August 2025.
How old do you have to be to fly from Maine to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Maine to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from Maine to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Maine to Sydney. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Maine to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Maine which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Maine to Sydney?

Once you have performed a search for Maine to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Maine to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Maine to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.