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$471+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap flight deals from Massachusetts to Sydney

Keep the following information in mind while searching for Massachusetts to Sydney flight deals. Data was last updated January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$922
(lol.travel)

One-way from

$471
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$1,481
Provider with most accurate pricing for Boston Logan Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Sydney Kingsford Smith flights.
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From Massachusetts to Sydney Kingsford Smith
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One-way flight from Massachusetts to Sydney Kingsford Smith
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Highest demand for flights based on searches. 12% potential increase in price ($200 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 14, 2026.

This lol.travel deal was found by Cheapflights users on 1/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/15:20 pm
BOS
-
SYD
1 stop23h 40m
Qantas Airways
Sun 2/157:15 pm
SYD
-
BOS
2 stops39h 25m
Qantas Airways
Deal found 1/12$922
This oojo deal was found by Cheapflights users on 1/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/278:00 am
BOS
-
SYD
2 stops55h 35m
Qantas Airways
Tue 2/1011:20 am
SYD
-
BOS
1 stop21h 01m
Qantas Airways
Deal found 1/12$940
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/267:00 pm
BOS
-
SYD
2 stops46h 10m
Qantas Airways
Sat 2/711:20 am
SYD
-
BOS
1 stop25h 38m
Qantas Airways
Deal found 1/13$941
This oojo deal was found by Cheapflights users on 1/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/15:20 pm
BOS
-
SYD
1 stop23h 40m
Qantas Airways
Tue 2/107:15 pm
SYD
-
BOS
2 stops38h 41m
Qantas Airways
Deal found 1/12$955
This oojo deal was found by Cheapflights users on 1/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/77:00 pm
BOS
-
SYD
2 stops46h 10m
Qantas Airways
Sat 2/1411:20 am
SYD
-
BOS
1 stop23h 20m
Qantas Airways
Deal found 1/12$956
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/204:50 pm
BOS
-
SYD
1 stop24h 10m
Qantas Airways
Mon 3/27:15 pm
SYD
-
BOS
2 stops39h 25m
Qantas Airways
Deal found 1/13$960
This oojo deal was found by Cheapflights users on 1/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:15 am
BOS
-
SYD
2 stops45h 35m
Qantas Airways
Sat 3/711:20 am
SYD
-
BOS
1 stop26h 55m
Qantas Airways
Deal found 1/12$962
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1011:00 am
BOS
-
SYD
1 stop30h 00m
Qantas Airways
Tue 2/177:05 am
SYD
-
BOS
2 stops27h 35m
Qantas Airways
Deal found 1/11$975
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/95:20 pm
BOS
-
SYD
1 stop23h 40m
Qantas Airways
Mon 2/167:15 pm
SYD
-
BOS
2 stops39h 25m
Qantas Airways
Deal found 1/12$993
This KAYAK deal was found by Cheapflights users on 1/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/45:20 pm
BOS
-
SYD
2 stops32h 20m
Qantas Airways
Wed 2/1111:20 am
SYD
-
BOS
1 stop22h 36m
Qantas Airways
Deal found 1/13$996
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/177:00 pm
BOS
-
SYD
1 stop44h 25m
Qantas Airways
Sat 1/317:05 am
SYD
-
BOS
2 stops26h 51m
Qantas Airways
Deal found 1/13$1,003
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/317:00 pm
BOS
-
SYD
1 stop44h 25m
Qantas Airways
Tue 2/107:15 pm
SYD
-
BOS
2 stops38h 41m
Qantas Airways
Deal found 1/11$1,005

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 January 14, 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

Tue 3/3

10:10 am-6:50 am

2 stops28h 40m

Sydney Kingsford Smith

Sun 3/29

10:15 am-8:49 pm

2 stops25h 34m

$1,203

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 3/1

12:35 pm-7:00 am

2 stops26h 25m

Sydney Kingsford Smith

Sun 3/29

11:20 am-7:23 am

1 stop35h 03m

$1,203

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 4/29

2:37 pm-6:55 am

2 stops26h 18m

Sydney Kingsford Smith

Tue 5/19

9:30 am-4:57 pm

1 stop21h 27m

$1,207

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 4/28

3:05 pm-7:00 am

2 stops25h 55m

Sydney Kingsford Smith

Tue 5/19

10:20 am-6:55 pm

1 stop22h 35m

$1,207

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 1/25

2:20 pm-9:05 am

2 stops26h 45m

Sydney Kingsford Smith

Sun 2/8

2:00 pm-7:51 pm

1 stop21h 51m

$1,208

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 3/9

7:30 am-7:25 am

1 stop32h 55m

Sydney Kingsford Smith

Wed 3/25

9:40 am-9:22 pm

1 stop26h 42m

$1,213

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 4/12

5:45 am-7:00 am

2 stops35h 15m

Sydney Kingsford Smith

Mon 4/20

10:20 am-7:06 pm

1 stop22h 46m

$1,213

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Wed 4/1

6:01 pm-7:55 am

1 stop22h 54m

Sydney Kingsford Smith

Wed 4/22

10:20 am-5:13 pm

1 stop20h 53m

$1,213

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 4/6

5:45 am-7:00 am

2 stops35h 15m

Sydney Kingsford Smith

Tue 4/21

10:20 am-5:13 pm

1 stop20h 53m

$1,213

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 6/30

5:55 pm-7:00 am

1 stop23h 05m

Sydney Kingsford Smith

Mon 9/28

10:20 am-1:05 am

1 stop28h 45m

$1,213

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 37 results
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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 $251). Flying from Massachusetts to Sydney in January is currently the most expensive (average of $1,099). 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?

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 $1,297, Delta can have you in Sydney from Massachusetts in 22h 17m. The distance between Massachusetts and Sydney is about 10004 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), United Airlines ($586), and Qantas Airways ($626).

  • 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 $1,099). 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
Coogee

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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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$385FlexibilityNo cancel feeOn-time62%
DeltaCheapest$318Average$1,283FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$735Average$1,236FlexibilityNo cancel feeOn-time67%
Fiji AirwaysCheapest$765Average$1,389FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$824Average$1,423FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$848Average$1,424FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,086Average$1,450FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,228Average$1,874FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,295Average$1,558FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,318Average$1,556FlexibilityNo cancel feeOn-time72%

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