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Cheap flights from Maine to Sydney from $426

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to Sydney departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:40 pm - 8:35 am
BOS
-
SYD
46h 55m
3 stops
Air Canada Logo
9:20 am - 9:27 pm
SYD
-
BOS
26h 07m
2 stops
$1,164Air Canada
Wed, Mar 18 - Thu, Apr 9
Asiana Airlines Logo
6:15 am - 8:35 am
BOS
-
SYD
35h 20m
1 stop
Asiana Airlines Logo
9:20 am - 9:27 pm
SYD
-
BOS
26h 07m
2 stops
$1,165Asiana Airlines
Mon, Mar 9 - Mon, Apr 13
United Airlines Logo
5:50 pm - 9:15 am
BOS
-
SYD
23h 25m
1 stop
United Airlines Logo
10:20 am - 1:47 pm
SYD
-
BOS
41h 27m
2 stops
$1,166United Airlines
Tue, Mar 3 - Mon, Apr 13
Multiple Airlines Logo
6:15 am - 8:35 am
BOS
-
SYD
35h 20m
1 stop
Multiple Airlines Logo
9:20 am - 10:39 pm
SYD
-
BOS
27h 19m
1 stop
$1,170Multiple Airlines
Mon, Mar 9 - Mon, Apr 13
American Airlines Logo
7:15 am - 9:00 am
BOS
-
SYD
33h 45m
1 stop
American Airlines Logo
11:20 am - 10:11 pm
SYD
-
BOS
26h 51m
1 stop
$1,171American Airlines
Mon, Feb 23 - Thu, Feb 26
American Airlines Logo
4:50 pm - 9:00 am
BOS
-
SYD
24h 10m
1 stop
American Airlines Logo
5:45 pm - 6:31 am
SYD
-
BOS
27h 46m
1 stop
$1,172American Airlines
Tue, Mar 3 - Sat, Mar 21
United Airlines Logo
2:10 pm - 9:15 am
PWM
-
SYD
27h 05m
2 stops
United Airlines Logo
10:25 am - 11:04 pm
SYD
-
PWM
27h 39m
2 stops
$1,375United Airlines
Tue, Mar 3 - Tue, Mar 24
Delta Logo
5:23 am - 7:50 am
PWM
-
SYD
35h 27m
2 stops
Delta Logo
9:15 am - 12:05 pm
SYD
-
PWM
40h 50m
2 stops
$1,439Delta
Tue, Mar 31 - Sun, Apr 26
Delta Logo
5:23 am - 7:50 am
PWM
-
SYD
35h 27m
2 stops
Delta Logo
9:15 am - 11:22 pm
SYD
-
PWM
28h 07m
2 stops
$1,521Delta
Thu, Apr 2 - Thu, Apr 9
Multiple Airlines Logo
5:15 am - 9:00 am
BGR
-
SYD
35h 45m
2 stops
Multiple Airlines Logo
6:20 am - 5:46 pm
SYD
-
BGR
27h 26m
3 stops
$1,834Multiple Airlines
Sat, Feb 28 - Sat, Mar 7

American Airlines flights from Maine to Sydney

Our best American Airlines deals on Maine to Sydney flight tickets
American Airlines
Feb 23
BOS7:15 amBoston Logan Intl
33h 45m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 26
SYD11:20 amSydney Kingsford Smith
26h 51m
1 stop
BOS10:11 pmBoston Logan Intl
$1,171
American Airlines
Mar 3
BOS4:50 pmBoston Logan Intl
24h 10m
1 stop
SYD9:00 amSydney Kingsford Smith
Mar 21
SYD5:45 pmSydney Kingsford Smith
27h 46m
1 stop
BOS6:31 amBoston Logan Intl
$1,172
American Airlines
Feb 23
BOS4:37 pmBoston Logan Intl
24h 23m
2 stops
SYD9:00 amSydney Kingsford Smith
Feb 26
SYD11:20 amSydney Kingsford Smith
23h 44m
2 stops
BOS7:04 pmBoston Logan Intl
$1,175

Qantas Airways flights from Maine to Sydney

Our best Qantas Airways deals on Maine to Sydney flight tickets
Qantas Airways
Feb 22
BOS2:36 pmBoston Logan Intl
24h 19m
1 stop
SYD6:55 amSydney Kingsford Smith
Feb 24
SYD2:05 pmSydney Kingsford Smith
25h 46m
1 stop
BOS11:51 pmBoston Logan Intl
$1,188
Qantas Airways
Mar 24
BOS5:20 pmBoston Logan Intl
24h 40m
1 stop
SYD9:00 amSydney Kingsford Smith
Apr 7
SYD9:10 amSydney Kingsford Smith
36h 54m
1 stop
BOS8:04 amBoston Logan Intl
$1,192
Qantas Airways
Feb 22
BOS4:50 pmBoston Logan Intl
24h 10m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 24
SYD11:20 amSydney Kingsford Smith
26h 51m
1 stop
BOS10:11 pmBoston Logan Intl
$1,198

momondo 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, momondo users made 832,500 searches. Data last updated February 18, 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

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 3/18

6:40 pm-8:35 am

3 stops46h 55m

Sydney Kingsford Smith

Thu 4/9

9:20 am-9:27 pm

2 stops26h 07m

$1,164

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 3/9

6:15 am-8:35 am

1 stop35h 20m

Sydney Kingsford Smith

Mon 4/13

9:20 am-9:27 pm

2 stops26h 07m

$1,165

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 3/3

5:50 pm-9:15 am

1 stop23h 25m

Sydney Kingsford Smith

Mon 4/13

10:20 am-1:47 pm

2 stops41h 27m

$1,166

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 3/9

6:15 am-8:35 am

1 stop35h 20m

Sydney Kingsford Smith

Mon 4/13

9:20 am-10:39 pm

1 stop27h 19m

$1,170

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 2/23

7:15 am-9:00 am

1 stop33h 45m

Sydney Kingsford Smith

Thu 2/26

11:20 am-10:11 pm

1 stop26h 51m

$1,171

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 3/3

4:50 pm-9:00 am

1 stop24h 10m

Sydney Kingsford Smith

Sat 3/21

5:45 pm-6:31 am

1 stop27h 46m

$1,172

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 3/3

2:10 pm-9:15 am

2 stops27h 05m

Sydney Kingsford Smith

Tue 3/24

10:25 am-11:04 pm

2 stops27h 39m

$1,375

PortlandSydney

PWM - SYD

PWMSYD

Portland

Tue 3/31

5:23 am-7:50 am

2 stops35h 27m

Sydney Kingsford Smith

Sun 4/26

9:15 am-12:05 pm

2 stops40h 50m

$1,439

PortlandSydney

PWM - SYD

PWMSYD

Portland

Thu 4/2

5:23 am-7:50 am

2 stops35h 27m

Sydney Kingsford Smith

Thu 4/9

9:15 am-11:22 pm

2 stops28h 07m

$1,521

BangorSydney

BGR - SYD

BGRSYD

Bangor

Sat 2/28

5:15 am-9:00 am

2 stops35h 45m

Sydney Kingsford Smith

Sat 3/7

6:20 am-5:46 pm

3 stops27h 26m

$1,834

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

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

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

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

Cheap Maine to Sydney flight deals and tips

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

Fastest flight time

22h 54m

Direct flights

None
The fastest flight from Maine to Sydney takes 22h 54m
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 refresh daily.

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

  • 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.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Parramatta
Katoomba
Wollongong
Penrith
Coogee
Manly
Randwick
Lithgow
Leura
Cronulla
Charlestown
Terrigal
Swansea

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.

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