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

United Airlines is the most popular carrier operating from Massachusetts to Sydney Kingsford Smith

How long does it take to fly to Sydney?

If you’re flying from a popular airport in Massachusetts, such as Boston or Worcester, and flying into Sydney, then you can expect flight times to average 26h 05m and 45h 04m, respectively.

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

Prices for flights from Massachusetts to Sydney Kingsford Smith Airport are refreshed on a daily basis.

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

As of October 2026, there are 2 operators available to choose from for flights from Massachusetts to Sydney Kingsford Smith Airport.

How old do you have to be to fly from Massachusetts 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 Massachusetts 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.

$777 Cheap Flights from Massachusetts to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Massachusetts to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

05:30 - 09:35BOS Boston Logan Intl-SYD Sydney Kingsford Smith

36h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 09:48SYD Sydney Kingsford Smith-BOS Boston Logan Intl

38h 28m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,848Air New Zealand

Thu, 19 Nov - Thu, 26 Nov

05:30 - 09:35BOS Boston Logan Intl-SYD Sydney Kingsford Smith

36h 05m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Island Vancouver Intl

11:20 - 09:48SYD Sydney Kingsford Smith-BOS Boston Logan Intl

38h 28m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,850Air Canada

Wed, 11 Nov - Wed, 25 Nov

05:30 - 09:35BOS Boston Logan Intl-SYD Sydney Kingsford Smith

36h 05m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Island Vancouver Intl

11:20 - 21:28SYD Sydney Kingsford Smith-BOS Boston Logan Intl

26h 08m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,850Air Canada

Wed, 11 Nov - Mon, 23 Nov

14:25 - 06:25BOS Boston Logan Intl-SYD Sydney Kingsford Smith

24h 00m1 stop Los Angeles

11:10 - 21:20SYD Sydney Kingsford Smith-BOS Boston Logan Intl

26h 10m1 stop Los Angeles

$1,851Qantas Airways

Wed, 11 Nov - Sat, 21 Nov

21:40 - 18:20BOS Boston Logan Intl-SYD Sydney Kingsford Smith

29h 40m1 stop Doha Hamad Intl

20:55 - 15:15SYD Sydney Kingsford Smith-BOS Boston Logan Intl

32h 20m1 stop Doha Hamad Intl

$1,851Qatar Airways

Wed, 24 Mar - Sat, 10 Apr

10:00 - 06:25BOS Boston Logan Intl-SYD Sydney Kingsford Smith

28h 25m1 stop Los Angeles

11:20 - 16:17SYD Sydney Kingsford Smith-BOS Boston Logan Intl

20h 57m1 stop Los Angeles

$1,870Qantas Airways

Sun, 21 Feb - Sun, 7 Mar

10:00 - 06:25BOS Boston Logan Intl-SYD Sydney Kingsford Smith

28h 25m1 stop Los Angeles

11:20 - 16:17SYD Sydney Kingsford Smith-BOS Boston Logan Intl

20h 57m1 stop Los Angeles

$1,873Qantas Airways

Sun, 21 Feb - Sun, 7 Mar

13:48 - 06:20BOS Boston Logan Intl-SYD Sydney Kingsford Smith

24h 32m1 stop San Francisco

09:20 - 14:21SYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 01m1 stop Houston George Bush Intcntl

$1,877United Airlines

Sun, 24 Jan - Sat, 6 Mar

18:01 - 09:20BOS Boston Logan Intl-SYD Sydney Kingsford Smith

23h 19m1 stop San Francisco

11:50 - 18:59SYD Sydney Kingsford Smith-BOS Boston Logan Intl

23h 09m2 stops San Francisco Washington, D.C. Dulles Intl

$1,877United Airlines

Mon, 25 Jan - Thu, 4 Mar

13:24 - 06:20BOS Boston Logan Intl-SYD Sydney Kingsford Smith

24h 56m2 stops Chicago O'Hare Intl San Francisco

09:15 - 14:21SYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 06m1 stop Houston George Bush Intcntl

$1,877United Airlines

Sun, 24 Jan - Fri, 5 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

17:45 - 08:05BOS Boston Logan Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Los Angeles

11:10 - 16:29SYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 19m1 stop Los Angeles

$1,850Qantas Airways

Fri, 23 Oct - Tue, 10 Nov

17:45 - 08:05BOS Boston Logan Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Los Angeles

11:10 - 16:29SYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 19m1 stop Los Angeles

$1,850Qantas Airways

Fri, 23 Oct - Mon, 2 Nov

17:45 - 09:00BOS Boston Logan Intl-SYD Sydney Kingsford Smith

24h 15m1 stop Los Angeles

11:10 - 16:29SYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 19m1 stop Los Angeles

$1,850Qantas Airways

Sat, 24 Oct - Tue, 10 Nov

05:30 - 08:35BOS Boston Logan Intl-SYD Sydney Kingsford Smith

36h 05m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

11:20 - 09:48SYD Sydney Kingsford Smith-BOS Boston Logan Intl

38h 28m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,854Air Canada

Mon, 26 Oct - Wed, 4 Nov

14:25 - 09:00BOS Boston Logan Intl-SYD Sydney Kingsford Smith

27h 35m1 stop Los Angeles

11:10 - 16:29SYD Sydney Kingsford Smith-BOS Boston Logan Intl

21h 19m1 stop Los Angeles

$1,865Qantas Airways

Mon, 26 Oct - Wed, 4 Nov

05:30 - 08:35BOS Boston Logan Intl-SYD Sydney Kingsford Smith

36h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 21:28SYD Sydney Kingsford Smith-BOS Boston Logan Intl

26h 08m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,868Air Canada

Sun, 25 Oct - Thu, 5 Nov

10:10 - 06:55BOS Boston Logan Intl-SYD Sydney Kingsford Smith

29h 45m1 stop Dallas/Fort Worth

11:10 - 23:59SYD Sydney Kingsford Smith-BOS Boston Logan Intl

28h 49m1 stop Los Angeles

$1,881American Airlines

Sun, 25 Oct - Thu, 5 Nov

14:45 - 08:40BOS Boston Logan Intl-SYD Sydney Kingsford Smith

26h 55m1 stop Los Angeles

11:50 - 23:59SYD Sydney Kingsford Smith-BOS Boston Logan Intl

28h 09m2 stops San Francisco Washington, D.C. Dulles Intl

$1,887United Airlines

Sat, 24 Oct - Tue, 3 Nov

08:05 - 07:55BOS Boston Logan Intl-SYD Sydney Kingsford Smith

32h 50m2 stops Chicago O'Hare Intl San Francisco

11:50 - 23:59SYD Sydney Kingsford Smith-BOS Boston Logan Intl

28h 09m2 stops San Francisco Washington, D.C. Dulles Intl

$1,887United Airlines

Fri, 23 Oct - Tue, 10 Nov

05:45 - 08:00BOS Boston Logan Intl-SYD Sydney Kingsford Smith

35h 15m2 stops Washington, D.C. Dulles Intl Los Angeles

11:50 - 23:59SYD Sydney Kingsford Smith-BOS Boston Logan Intl

28h 09m2 stops San Francisco Washington, D.C. Dulles Intl

$1,887United Airlines

Fri, 23 Oct - Mon, 2 Nov

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Qatar Airways flights from Massachusetts to Sydney

Our best Qatar Airways deals on Massachusetts to Sydney flight tickets

Qatar Airways

24 Mar

BOS21:40Boston Logan Intl

29h 40m

1 stop

SYD18:20Sydney Kingsford Smith

10 Apr

SYD20:55Sydney Kingsford Smith

32h 20m

1 stop

BOS15:15Boston Logan Intl

$1,851

Qatar Airways

25 Jan

BOS20:40Boston Logan Intl

30h 40m

1 stop

SYD19:20Sydney Kingsford Smith

28 Feb

SYD15:50Sydney Kingsford Smith

38h 05m

1 stop

BOS13:55Boston Logan Intl

$1,857

Qatar Airways

21 Feb

BOS20:40Boston Logan Intl

29h 40m

1 stop

SYD18:20Sydney Kingsford Smith

7 Mar

SYD15:50Sydney Kingsford Smith

38h 05m

1 stop

BOS13:55Boston Logan Intl

$1,865

United Airlines flights from Massachusetts to Sydney

Our best United Airlines deals on Massachusetts to Sydney flight tickets

United Airlines

24 Jan

BOS13:24Boston Logan Intl

24h 56m

2 stops

SYD06:20Sydney Kingsford Smith

6 Mar

SYD11:20Sydney Kingsford Smith

21h 22m

1 stop

BOS16:42Boston Logan Intl

$1,877

United Airlines

21 Feb

BOS13:31Boston Logan Intl

25h 29m

2 stops

SYD07:00Sydney Kingsford Smith

7 Mar

SYD11:20Sydney Kingsford Smith

21h 22m

1 stop

BOS16:42Boston Logan Intl

$1,880

United Airlines

11 Nov

BOS09:00Boston Logan Intl

32h 20m

1 stop

SYD09:20Sydney Kingsford Smith

21 Nov

SYD11:50Sydney Kingsford Smith

28h 09m

2 stops

BOS23:59Boston Logan Intl

$1,885

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Thu 19/11

05:30-09:35

2 stops36h 05m

Sydney Kingsford Smith

Thu 26/11

11:20-09:48

2 stops38h 28m

$1,848

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Wed 11/11

05:30-09:35

3 stops36h 05m

Sydney Kingsford Smith

Wed 25/11

11:20-09:48

2 stops38h 28m

$1,850

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Wed 11/11

05:30-09:35

3 stops36h 05m

Sydney Kingsford Smith

Mon 23/11

11:20-21:28

2 stops26h 08m

$1,850

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Wed 11/11

14:25-06:25

1 stop24h 00m

Sydney Kingsford Smith

Sat 21/11

11:10-21:20

1 stop26h 10m

$1,851

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Wed 24/3

21:40-18:20

1 stop29h 40m

Sydney Kingsford Smith

Sat 10/4

20:55-15:15

1 stop32h 20m

$1,851

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Sun 21/2

10:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Sun 7/3

11:20-16:17

1 stop20h 57m

$1,870

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Sun 21/2

10:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Sun 7/3

11:20-16:17

1 stop20h 57m

$1,873

Fastest return journey

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Sun 24/1

13:48-06:20

1 stop24h 32m

Sydney Kingsford Smith

Sat 6/3

09:20-14:21

1 stop21h 01m

$1,877

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Mon 25/1

18:01-09:20

1 stop23h 19m

Sydney Kingsford Smith

Thu 4/3

11:50-18:59

2 stops23h 09m

$1,877

BostonSydney

BOS Boston Logan Intl - SYD Sydney Kingsford Smith

BOSSYD

Boston Logan Intl

Sun 24/1

13:24-06:20

2 stops24h 56m

Sydney Kingsford Smith

Fri 5/3

09:15-14:21

1 stop21h 06m

$1,877

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 Massachusetts 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 May is, on average, the cheapest month to fly to Sydney from Massachusetts, with most prices found around $1,741. If you aren’t able to travel to Sydney during the month of May, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,800.

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

You are more likely to see cheaper flights to Sydney from Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,027 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 Massachusetts for as low as $1,878 on momondo.

Can stopping save me money on Massachusetts to Sydney flights?

You could potentially save up to 36% on your flight if you consider stops on a Massachusetts to Sydney flight.

Cheap Massachusetts to Sydney flight deals and tips

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

Best price found	$777
Fastest flight time	22h 47m
Direct flights	None

The best one-way flight to Sydney from Massachusetts in the past 72 hours is $777. The best return flight deal from Massachusetts to Sydney found on momondo in the last 72 hours is $1,848.

The fastest flight from Massachusetts to Sydney takes 22h 47m

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

Search flight deals

Frequently asked questions about flying from Massachusetts to Sydney

When did momondo last update prices for flights from Massachusetts to Sydney Kingsford Smith Airport?
Prices for flights from Massachusetts to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Massachusetts to Sydney Kingsford Smith Airport?
As of October 2026, there are 2 operators available to choose from for flights from Massachusetts to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Massachusetts 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 Massachusetts 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.

Best airlines flying from Massachusetts to Sydney

Compare and see reviews for airlines that fly from Massachusetts to Sydney with momondo

Airline	Rating	Free cancellation	Price
Qantas Airways	PriceFrom $1,627	Free cancellation	Rating 7.5 1,115 reviews		Search Qantas Airways flights
United Airlines	PriceFrom $1,760	Free cancellation	Rating 7.3 10,406 reviews		Search United Airlines flights

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Swansea

Newport

Why use momondo?

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

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

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

Yes. All flights to Sydney from Massachusetts on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Sydney from Massachusetts. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Massachusetts 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.