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

United Airlines, Delta, and Air Canada are the most popular carriers operating from Maine to Sydney Kingsford Smith

How long does it take to fly to Sydney?

If you’re flying from a popular airport in Maine, such as Bar Harbor or Augusta, and flying into Sydney, then you can expect flight times to average 37h and 39h 15m, respectively.

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 are refreshed on a daily basis.

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

The number of operators available for flights from Maine to Sydney Kingsford Smith Airport is 3 as of September 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$931 Cheap Flights from Maine to Sydney in 2025/26

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Find the cheapest flights from Maine to Sydney

Round-trip

One-way

Last minute

Cheap return flights

16:23 - 10:55BOS-SYD

26h 32m2 stops

14:05 - 19:00SYD-BOS

20h 55m1 stop

$1,711Qantas Airways

Find Deal

Sat, 17 Jan - Sat, 31 Jan

08:15 - 09:20BOS-SYD

33h 05m2 stops

14:05 - 16:59SYD-BOS

42h 54m1 stop

$1,717Qantas Airways

Find Deal

Sat, 7 Feb - Sun, 22 Feb

16:23 - 21:50BOS-SYD

37h 27m2 stops

06:00 - 23:00SYD-BOS

33h 00m2 stops

$1,776Fiji Airways

Find Deal

Tue, 10 Feb - Tue, 24 Feb

16:23 - 12:30BOS-SYD

28h 07m2 stops

14:10 - 23:00SYD-BOS

24h 50m2 stops

$1,798Fiji Airways

Find Deal

Thu, 29 Jan - Tue, 17 Feb

17:55 - 19:45BOS-SYD

33h 50m2 stops

21:40 - 16:46SYD-BOS

35h 06m2 stops

$1,809Alaska Airlines

Find Deal

Mon, 12 Jan - Wed, 21 Jan

18:23 - 19:45BOS-SYD

34h 22m2 stops

21:40 - 07:29SYD-BOS

25h 49m2 stops

$1,838Alaska Airlines

Find Deal

Wed, 29 Oct - Sun, 9 Nov

10:40 - 20:15BOS-SYD

41h 35m2 stops

10:20 - 09:32SYD-BOS

38h 12m2 stops

$1,839Multiple Airlines

Find Deal

Mon, 23 Feb - Tue, 10 Mar

12:38 - 20:15BOS-SYD

39h 37m2 stops

10:20 - 14:52SYD-BOS

43h 32m3 stops

$1,848Multiple Airlines

Find Deal

Sun, 1 Mar - Sun, 15 Mar

15:40 - 08:35BOS-SYD

25h 55m2 stops

11:20 - 14:52SYD-BOS

43h 32m2 stops

$1,861Air Canada

Find Deal

Tue, 28 Oct - Fri, 14 Nov

15:40 - 08:35BOS-SYD

25h 55m2 stops

11:20 - 09:32SYD-BOS

38h 12m3 stops

$1,871Air Canada

Find Deal

Tue, 28 Oct - Fri, 14 Nov

Alaska Airlines flights from Maine to Sydney

Our best Alaska Airlines deals on Maine to Sydney flight tickets

Alaska Airlines

12 Jan

BOS17:55Boston Logan Intl

33h 50m

2 stops

SYD19:45Sydney Kingsford Smith

21 Jan

SYD21:40Sydney Kingsford Smith

35h 06m

2 stops

BOS16:46Boston Logan Intl

$1,809

Find similar

Alaska Airlines

29 Oct

BOS18:23Boston Logan Intl

34h 22m

2 stops

SYD19:45Sydney Kingsford Smith

9 Nov

SYD21:40Sydney Kingsford Smith

25h 49m

2 stops

BOS07:29Boston Logan Intl

$1,838

Find similar

Alaska Airlines

29 Oct

BOS18:23Boston Logan Intl

34h 22m

2 stops

SYD19:45Sydney Kingsford Smith

8 Nov

SYD21:40Sydney Kingsford Smith

35h 43m

2 stops

BOS17:23Boston Logan Intl

$1,844

Find similar

Qantas Airways flights from Maine to Sydney

Our best Qantas Airways deals on Maine to Sydney flight tickets

Qantas Airways

17 Jan

BOS16:23Boston Logan Intl

26h 32m

2 stops

SYD10:55Sydney Kingsford Smith

31 Jan

SYD14:05Sydney Kingsford Smith

20h 55m

1 stop

BOS19:00Boston Logan Intl

$1,711

Find similar

Qantas Airways

7 Feb

BOS08:15Boston Logan Intl

33h 05m

2 stops

SYD09:20Sydney Kingsford Smith

22 Feb

SYD14:05Sydney Kingsford Smith

42h 54m

1 stop

BOS16:59Boston Logan Intl

$1,717

Find similar

Qantas Airways

10 Nov

BOS08:15Boston Logan Intl

34h 05m

2 stops

SYD10:20Sydney Kingsford Smith

23 Nov

SYD14:05Sydney Kingsford Smith

25h 17m

1 stop

BOS23:22Boston Logan Intl

$1,721

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 17/1

16:23-10:55

2 stops26h 32m

Sydney Kingsford Smith

Sat 31/1

14:05-19:00

1 stop20h 55m

$1,711

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 7/2

08:15-09:20

2 stops33h 05m

Sydney Kingsford Smith

Sun 22/2

14:05-16:59

1 stop42h 54m

$1,717

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 10/2

16:23-21:50

2 stops37h 27m

Sydney Kingsford Smith

Tue 24/2

06:00-23:00

2 stops33h 00m

$1,776

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 29/1

16:23-12:30

2 stops28h 07m

Sydney Kingsford Smith

Tue 17/2

14:10-23:00

2 stops24h 50m

$1,798

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 12/1

17:55-19:45

2 stops33h 50m

Sydney Kingsford Smith

Wed 21/1

21:40-16:46

2 stops35h 06m

$1,809

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 29/10

18:23-19:45

2 stops34h 22m

Sydney Kingsford Smith

Sun 9/11

21:40-07:29

2 stops25h 49m

$1,838

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 23/2

10:40-20:15

2 stops41h 35m

Sydney Kingsford Smith

Tue 10/3

10:20-09:32

2 stops38h 12m

$1,839

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 1/3

12:38-20:15

2 stops39h 37m

Sydney Kingsford Smith

Sun 15/3

10:20-14:52

3 stops43h 32m

$1,848

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 28/10

15:40-08:35

2 stops25h 55m

Sydney Kingsford Smith

Fri 14/11

11:20-14:52

2 stops43h 32m

$1,861

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 28/10

15:40-08:35

2 stops25h 55m

Sydney Kingsford Smith

Fri 14/11

11:20-09:32

3 stops38h 12m

$1,871

Flights are sorted by cheapest return 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 month to fly to Sydney?

The month of September is, on average, the cheapest month to fly to Sydney from Maine, with most prices found around $1,900. If you aren’t able to travel to Sydney during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,908.

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

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,061. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,465.

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 in the evening. momondo users have found flights departing from Maine to Sydney in the evening for as low as $2,060. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $2,990 on average. Flights to Sydney from Maine in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,183 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Maine for as low as $2,006 on momondo.

Cheap Maine to Sydney flight deals and tips

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

Direct flights	None

There are no direct flights from Maine to Sydney. There are no popular flight routes from Maine to Sydney.

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 are refreshed on a daily basis.
How many operators does momondo search for flights from Maine to Sydney Kingsford Smith Airport?
The number of operators available for flights from Maine to Sydney Kingsford Smith Airport is 3 as of September 2025.
How old do you have to be to fly from Maine to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

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

It is quick and easy to find Maine to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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

All flight searches from Maine to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Maine to Sydney.

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

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Maine and alert you when they change.