HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$426+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Massachusetts to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 19, 2026.

This Air Canada deal was found by Cheapflights users on 2/18. 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.
Fri 8/1410:40 am
BOS
-
SYD
2 stops30h 40m
Air Canada
Fri 8/289:20 am
SYD
-
BOS
2 stops26h 07m
Air Canada
Deal found 2/18$1,159
This Air Canada deal was found by Cheapflights users on 2/18. 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.
Tue 8/253:25 pm
BDL
-
SYD
2 stops25h 55m
Multiple Airlines
Tue 9/19:20 am
SYD
-
BDL
2 stops27h 37m
Multiple Airlines
Deal found 2/18$1,160
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:59 pm
BOS
-
SYD
1 stop45h 06m
Delta
Wed 3/189:40 am
SYD
-
BOS
2 stops24h 54m
Delta
Deal found 2/18$1,160
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Sun 5/33:59 pm
BOS
-
SYD
2 stops25h 06m
American Airlines
Sat 5/99:10 am
SYD
-
BOS
1 stop26h 33m
American Airlines
Deal found 2/19$1,163
This Air Canada deal was found by Cheapflights users on 2/18. 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.
Wed 3/186:40 pm
BOS
-
SYD
3 stops46h 55m
Air Canada
Thu 4/99:20 am
SYD
-
BOS
2 stops26h 07m
Air Canada
Deal found 2/18$1,164
This BusinessClass deal was found by Cheapflights users on 2/18. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:15 am
BOS
-
SYD
1 stop35h 20m
Asiana Airlines
Mon 4/139:20 am
SYD
-
BOS
2 stops26h 07m
Asiana Airlines
Deal found 2/18$1,165
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 3/35:50 pm
BOS
-
SYD
1 stop23h 25m
United Airlines
Mon 4/1310:20 am
SYD
-
BOS
2 stops41h 27m
United Airlines
Deal found 2/18$1,166
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Thu 2/192:12 pm
BOS
-
SYD
2 stops26h 48m
American Airlines
Sun 2/222:05 pm
SYD
-
BOS
1 stop24h 36m
American Airlines
Deal found 2/18$1,167
This Air Canada deal was found by Cheapflights users on 2/18. 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.
Thu 3/195:30 am
BOS
-
SYD
3 stops36h 05m
Air Canada
Thu 4/99:20 am
SYD
-
BOS
2 stops26h 07m
Air Canada
Deal found 2/18$1,168
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Sun 5/1012:02 pm
BDL
-
SYD
2 stops29h 03m
American Airlines
Sun 5/179:10 am
SYD
-
BDL
2 stops27h 47m
American Airlines
Deal found 2/17$1,170
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 2/197:15 am
BOS
-
SYD
1 stop33h 45m
American Airlines
Mon 2/232:05 pm
SYD
-
BOS
2 stops24h 17m
American Airlines
Deal found 2/19$1,170
This American Airlines deal was found by Cheapflights users on 2/18. 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 2/237:15 am
BOS
-
SYD
1 stop33h 45m
American Airlines
Thu 2/2611:20 am
SYD
-
BOS
1 stop26h 51m
American Airlines
Deal found 2/18$1,171

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,159
(Air Canada)

One-way from

$426
(Orbitz)

Popular in

December

Cheapest in

September

Average price

$1,229
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. 14% potential increase in price ($234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 19, 2026.
Use the filters below to find and compare flights from Massachusetts to Sydney that are best for you.

Fly from

Massachusetts

Fly to

Sydney

Route

Depart

Return

Price

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 3/14

5:59 pm-6:05 am

1 stop45h 06m

Sydney Kingsford Smith

Wed 3/18

9:40 am-7:34 pm

2 stops24h 54m

$1,160

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Sun 5/10

12:02 pm-7:05 am

2 stops29h 03m

Sydney Kingsford Smith

Sun 5/17

9:10 am-10:57 pm

2 stops27h 47m

$1,170

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 3/12

6:08 pm-8:05 am

1 stop22h 57m

Sydney Kingsford Smith

Mon 3/16

10:25 am-4:41 pm

1 stop21h 16m

$1,180

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 3/8

6:08 pm-8:05 am

1 stop22h 57m

Sydney Kingsford Smith

Thu 3/19

10:25 am-4:41 pm

1 stop21h 16m

$1,180

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 3/10

5:50 pm-9:15 am

1 stop24h 25m

Sydney Kingsford Smith

Thu 3/19

12:10 pm-7:46 pm

1 stop22h 36m

$1,180

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 3/8

6:08 pm-8:05 am

1 stop22h 57m

Sydney Kingsford Smith

Sat 3/14

10:25 am-4:41 pm

1 stop21h 16m

$1,180

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 3/11

4:59 pm-7:00 am

1 stop23h 01m

Sydney Kingsford Smith

Thu 3/19

11:50 am-6:28 pm

1 stop21h 38m

$1,180

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 3/14

5:50 pm-9:15 am

1 stop24h 25m

Sydney Kingsford Smith

Tue 3/17

2:00 pm-7:46 pm

1 stop20h 46m

$1,180

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Sun 5/10

6:05 am-7:00 am

3 stops34h 55m

Sydney Kingsford Smith

Sun 5/17

9:30 am-9:26 pm

2 stops25h 56m

$1,188

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 4/13

10:55 am-6:50 am

1 stop29h 55m

Sydney Kingsford Smith

Fri 5/1

9:15 am-7:20 pm

1 stop24h 05m

$1,189

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 34 results
1
2
3
4

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 $251). Flying from Massachusetts to Sydney in January is currently the most expensive (average of $1,056). 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.

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 $1,180, Delta can have you in Sydney from Massachusetts in 22h 57m. 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 ($515), Qatar Airways ($575), and United Airlines ($578).

  • 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 Worcester - 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 $251). Flying from Massachusetts to Sydney in January is currently the most expensive (average of $1,056). 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
Manly

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Massachusetts to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Sydney flights
San Francisco to Sydney flights
Dallas/Fort Worth to Sydney flights
John F Kennedy Intl to Sydney flights
Newark to Sydney flights
LaGuardia to Sydney flights
Dulles Intl to Sydney flights
Boston to Sydney flights
Honolulu to Sydney flights
O'Hare Intl to Sydney flights
Baltimore to Sydney flights
Ontario to Sydney flights
Reagan-National to Sydney flights
Seattle to Sydney flights
Hobby to Sydney flights
Santa Ana to Sydney flights
Atlanta to Sydney flights
Detroit to Sydney flights
Denver to Sydney flights
Minneapolis to Sydney flights
George Bush Intcntl to Sydney flights
Orlando to Sydney flights
Philadelphia to Sydney flights
Sky Harbor Intl to Sydney flights
Midway to Sydney flights
Salt Lake City to Sydney flights
Love Field to Sydney flights
Raleigh to Sydney flights
Burbank to Sydney flights
Oakland to Sydney flights
Tampa to Sydney flights
San Diego to Sydney flights
Portland to Sydney flights
San Jose to Sydney flights
Austin to Sydney flights
Nashville to Sydney flights
Las Vegas to Sydney flights
Miami to Sydney flights
Indianapolis to Sydney flights
Fort Lauderdale to Sydney flights
Long Beach to Sydney flights
New Orleans to Sydney flights
Memphis to Sydney flights
Pittsburgh to Sydney flights
Boise to Sydney flights
Providence to Sydney flights
Columbus to Sydney flights
Charlotte to Sydney flights
Cleveland to Sydney flights
Sacramento to Sydney flights

Top 10 airlines flying from Massachusetts to Sydney

Discover the top 10 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$385FlexibilityNo cancel feeOn-time62%
DeltaCheapest$318Average$1,275FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$731Average$1,389FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$735Average$1,241FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$824Average$1,461FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$848Average$1,453FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,082Average$1,445FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,224Average$1,542FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,238Average$1,558FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,318Average$1,556FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.