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$615+ Cheap flights from Massachusetts 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Massachusetts to Sydney

Cheapest flights from Massachusetts to Sydney
Explore the most affordable flight options available from Massachusetts to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This American Airlines deal was found by Cheapflights users on 7/24. 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 9/75:23 pm
ORH
-
SYD
2 stops47h 42m
American Airlines
Mon 9/149:10 am
SYD
-
ORH
2 stops45h 39m
American Airlines
Deal found 7/24$1,157
This Justfly.com deal was found by Cheapflights users on 7/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:00 pm
BOS
-
SYD
2 stops48h 35m
Air Canada
Wed 5/129:20 am
SYD
-
BOS
2 stops38h 24m
Air Canada
Deal found 7/22$1,183
This American Airlines deal was found by Cheapflights users on 7/26. 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 7/2910:30 am
BOS
-
SYD
1 stop31h 00m
American Airlines
Wed 8/512:00 pm
SYD
-
BOS
1 stop21h 42m
American Airlines
Deal found 7/26$1,184
This Bravofly deal was found by Cheapflights users on 7/26. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:35 pm
BOS
-
SYD
1 stop24h 30m
Qantas Airways
Wed 9/169:10 am
SYD
-
BOS
1 stop28h 18m
Qantas Airways
Deal found 7/26$1,185
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:40 am
BOS
-
SYD
3 stops30h 40m
Air Canada
Wed 9/239:20 am
SYD
-
BOS
2 stops26h 06m
Air Canada
Deal found 7/27$1,186
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 8/1011:35 am
BOS
-
SYD
1 stop29h 20m
United Airlines
Tue 8/1810:20 am
SYD
-
BOS
1 stop24h 42m
United Airlines
Deal found 7/24$1,187
This American Airlines deal was found by Cheapflights users on 7/24. 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 8/33:06 pm
BDL
-
SYD
2 stops25h 49m
American Airlines
Tue 8/259:10 am
SYD
-
BDL
2 stops23h 49m
American Airlines
Deal found 7/24$1,188
This Bravofly deal was found by Cheapflights users on 7/24. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:35 pm
BOS
-
SYD
1 stop24h 30m
Qantas Airways
Tue 9/295:50 pm
SYD
-
BOS
1 stop28h 23m
Qantas Airways
Deal found 7/24$1,190
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/93:54 pm
BOS
-
SYD
2 stops25h 06m
United Airlines
Wed 8/199:30 am
SYD
-
BOS
2 stops23h 58m
United Airlines
Deal found 7/26$1,191
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/93:54 pm
BOS
-
SYD
2 stops25h 06m
United Airlines
Sun 8/169:30 am
SYD
-
BOS
2 stops23h 40m
United Airlines
Deal found 7/24$1,192
This Air Canada deal was found by Cheapflights users on 7/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:40 am
BOS
-
SYD
3 stops30h 40m
Multiple Airlines
Wed 10/2810:20 am
SYD
-
BOS
2 stops23h 55m
Multiple Airlines
Deal found 7/23$1,194
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 8/88:27 pm
BOS
-
SYD
1 stop44h 28m
United Airlines
Sun 8/169:30 am
SYD
-
BOS
1 stop21h 50m
United Airlines
Deal found 7/26$1,198

Find flight deals from Massachusetts to Sydney

Keep the following information in mind while searching for Massachusetts to Sydney flight deals. Data was last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,157
(American Airlines)

One-way from

$615
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,488
Provider with most accurate pricing for Boston Logan Intl-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Sydney Kingsford Smith flights.
Search Deals
From Massachusetts to Sydney Kingsford Smith
Search Deals
One-way flight from Massachusetts to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts 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 July 27, 2026.
Use the filters below to find and compare flights from Massachusetts to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WorcesterSydney

ORH - SYD

ORHSYD

Worcester

Mon 9/7

5:23 pm-7:05 am

2 stops47h 42m

Sydney Kingsford Smith

Mon 9/14

9:10 am-4:49 pm

2 stops45h 39m

$1,157

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 8/17

5:45 am-7:00 am

2 stops35h 15m

Sydney Kingsford Smith

Mon 8/24

9:30 am-9:02 pm

2 stops25h 32m

$1,187

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 9/2

11:54 am-7:00 am

1 stop29h 06m

Sydney Kingsford Smith

Tue 9/8

9:30 am-9:59 pm

2 stops26h 29m

$1,245

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Sat 8/8

4:55 pm-7:00 am

2 stops48h 05m

Sydney Kingsford Smith

Sat 8/22

9:30 am-11:43 pm

2 stops28h 13m

$1,258

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Tue 8/18

2:06 pm-7:05 am

2 stops26h 59m

Sydney Kingsford Smith

Sat 10/17

1:00 pm-11:29 pm

2 stops25h 29m

$1,267

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 9/12

5:38 pm-7:00 am

2 stops47h 22m

Sydney Kingsford Smith

Wed 9/30

10:20 am-5:10 pm

1 stop20h 50m

$1,267

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 11/17

8:25 am-9:05 am

1 stop32h 40m

Sydney Kingsford Smith

Tue 12/22

11:20 am-4:47 pm

1 stop21h 27m

$1,276

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 12/2

3:03 pm-9:05 am

2 stops26h 02m

Sydney Kingsford Smith

Wed 12/9

11:20 am-6:49 pm

2 stops23h 29m

$1,280

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 12/5

5:15 pm-7:00 am

1 stop45h 45m

Sydney Kingsford Smith

Sun 12/13

11:20 am-4:38 pm

1 stop21h 18m

$1,286

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 8/20

9:20 am-6:55 am

1 stop31h 35m

Sydney Kingsford Smith

Thu 8/27

9:30 am-9:02 pm

2 stops25h 32m

$1,287

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 54 resultsSorted by cheapest first
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Best time to book a flight from Massachusetts to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Massachusetts 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 Massachusetts to Sydney

What is the cheapest month to book a flight from Massachusetts to Sydney?

Currently, September is the cheapest month in which you can book a flight from Massachusetts to Sydney (average of $1,228). Flying from Massachusetts to Sydney in December is currently the most expensive (average of $2,079). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Massachusetts to Sydney?

Airfare is below average for this route at the moment.
Massachusetts to Sydney flights typically cost between $1,265 and $1,632 in October.
The cheapest round-trip price found within the last 5 days was $1,183 on Air Canada (Oct 24-May 12).

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

To ensure you get the cheapest price possible for a flight from Massachusetts to Sydney, you should look to book at least 13 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts 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 Massachusetts?

    Located just 4.6 mi from the city center, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Massachusetts.

  • How long is the flight from Massachusetts to Sydney?

    For as low as $1,187, American Airlines can have you in Sydney from Massachusetts in 35h 15m. The distance between Massachusetts and Sydney is about 10091 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Massachusetts to Sydney one-way?

    The cheapest airlines for a one-way flight from Massachusetts to Sydney are Air Canada ($459), Delta ($522), and Qantas Airways ($569).

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

    When deciding which route to take from Massachusetts to Sydney consider Boston Logan Intl - Sydney Kingsford Smith, Hartford Bradley Intl - Sydney Kingsford Smith or West Tisbury Martha's Vineyard - Sydney Kingsford Smith as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Massachusetts 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.

  • What is the cheapest month to book a flight from Massachusetts to Sydney?

    Currently, September is the cheapest month in which you can book a flight from Massachusetts to Sydney (average of $1,228). Flying from Massachusetts to Sydney in December is currently the most expensive (average of $2,079). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 8 airlines flying from Massachusetts to Sydney

Discover the top 8 airlines that operate flights from Massachusetts 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$318Average$1,452FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$703Average$772FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$907Average$1,363FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,081Average$1,454FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,097Average$1,460FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$1,145Average$1,511FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,147Average$1,425FlexibilityNo cancel feeOn-time71%
Qatar AirwaysCheapest$1,233Average$1,558FlexibilityNo cancel feeOn-time68%

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