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$549+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
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 March 23, 2026.

This lol.travel deal was found by Cheapflights users on 3/18. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:40 am
BOS
-
SYD
3 stops30h 40m
Air Canada
Sun 5/109:20 am
SYD
-
BOS
3 stops38h 25m
Air Canada
Deal found 3/18$1,186
This flugladen.de deal was found by Cheapflights users on 3/22. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:40 am
BOS
-
SYD
2 stops30h 40m
Air Canada
Wed 4/299:20 am
SYD
-
BOS
2 stops26h 07m
Air Canada
Deal found 3/22$1,197
This Air Canada deal was found by Cheapflights users on 3/18. 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.
Mon 5/410:35 am
BOS
-
SYD
3 stops30h 45m
Air Canada
Mon 5/119:20 am
SYD
-
BOS
2 stops26h 07m
Air Canada
Deal found 3/18$1,201
This Air Canada deal was found by Cheapflights users on 3/18. 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.
Sun 5/105:50 am
BOS
-
SYD
2 stops35h 30m
Air Canada
Sat 5/169:20 am
SYD
-
BOS
2 stops38h 25m
Air Canada
Deal found 3/18$1,210
This Air Canada deal was found by Cheapflights users on 3/20. 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.
Mon 5/115:50 am
BOS
-
SYD
2 stops35h 30m
Air Canada
Fri 5/229:20 am
SYD
-
BOS
2 stops38h 25m
Air Canada
Deal found 3/20$1,211
This Air Canada deal was found by Cheapflights users on 3/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:05 pm
BOS
-
SYD
2 stops26h 15m
Multiple Airlines
Tue 7/149:20 am
SYD
-
BOS
3 stops38h 30m
Multiple Airlines
Deal found 3/19$1,212
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:55 pm
BOS
-
SYD
2 stops46h 25m
Air Canada
Sat 6/69:20 am
SYD
-
BOS
2 stops26h 07m
Air Canada
Deal found 3/18$1,215
This Air Canada deal was found by Cheapflights users on 3/20. 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.
Mon 5/1810:35 am
BOS
-
SYD
2 stops30h 45m
Air Canada
Thu 6/49:20 am
SYD
-
BOS
3 stops38h 25m
Air Canada
Deal found 3/20$1,219
This Qantas Airways deal was found by Cheapflights users on 3/18. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 pm
BOS
-
SYD
1 stop23h 05m
Qantas Airways
Sat 6/612:00 pm
SYD
-
BOS
1 stop24h 14m
Qantas Airways
Deal found 3/18$1,222
This Cheapflightsfares deal was found by Cheapflights users on 3/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:15 pm
BOS
-
SYD
1 stop29h 15m
Qantas Airways
Fri 6/129:10 am
SYD
-
BOS
1 stop27h 47m
Qantas Airways
Deal found 3/18$1,223
This American Airlines deal was found by Cheapflights users on 3/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 pm
BDL
-
SYD
1 stop22h 55m
American Airlines
Tue 8/2512:00 pm
SYD
-
BDL
1 stop37h 49m
American Airlines
Deal found 3/22$1,451
This United Airlines deal was found by Cheapflights users on 3/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:05 am
BDL
-
SYD
2 stops34h 50m
United Airlines
Wed 5/139:30 am
SYD
-
BDL
2 stops23h 12m
United Airlines
Deal found 3/22$1,468

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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,186
(lol.travel)

One-way from

$549
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,317
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. 11% potential increase in price ($188 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 23, 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

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 5/2

7:00 am-9:35 am

2 stops36h 35m

Sydney Kingsford Smith

Sun 5/24

12:00 pm-10:14 pm

1 stop24h 14m

$1,431

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Tue 8/11

12:34 pm-6:55 am

1 stop28h 21m

Sydney Kingsford Smith

Tue 8/25

9:10 am-8:59 pm

2 stops25h 49m

$1,451

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 4/27

2:37 pm-7:00 am

2 stops26h 23m

Sydney Kingsford Smith

Sun 5/10

10:20 am-9:27 pm

1 stop25h 07m

$1,457

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Wed 5/6

6:05 am-6:55 am

2 stops34h 50m

Sydney Kingsford Smith

Wed 5/13

9:30 am-6:42 pm

2 stops23h 12m

$1,468

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Tue 8/11

6:00 am-7:00 am

3 stops35h 00m

Sydney Kingsford Smith

Tue 8/25

10:20 am-7:04 pm

2 stops22h 44m

$1,473
Quickest round-trip

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Mon 5/4

6:43 pm-6:55 am

1 stop22h 12m

Sydney Kingsford Smith

Fri 5/29

12:00 pm-11:26 pm

1 stop25h 26m

$1,508

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Sat 5/2

6:05 am-6:55 am

2 stops34h 50m

Sydney Kingsford Smith

Sat 5/9

9:30 am-6:57 pm

2 stops23h 27m

$1,568

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Thu 8/6

2:52 pm-7:05 am

2 stops26h 13m

Sydney Kingsford Smith

Thu 8/20

12:00 pm-11:35 pm

2 stops25h 35m

$1,569

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Fri 5/1

11:52 am-7:05 am

2 stops29h 13m

Sydney Kingsford Smith

Sat 5/16

12:00 pm-11:59 pm

1 stop25h 59m

$1,569

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Thu 8/6

6:00 am-7:00 am

3 stops35h 00m

Sydney Kingsford Smith

Thu 8/20

10:20 am-9:41 pm

2 stops25h 21m

$1,573

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 47 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 $251). Flying from Massachusetts to Sydney in January is currently the most expensive (average of $1,100). 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 $1,457, Qantas Airways can have you in Sydney from Massachusetts in 26h 23m. 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), Qatar Airways ($498), 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 Hyannis Barnstable - 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 $1,100). 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 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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$375FlexibilityNo cancel feeOn-time62%
DeltaCheapest$318Average$1,457FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$731Average$1,389FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$1,080Average$1,435FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,087Average$1,347FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,147Average$1,454FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,166Average$1,414FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$1,167Average$1,570FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$1,233Average$1,558FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,318Average$1,690FlexibilityNo cancel feeOn-time72%

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