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$441+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Mar 30 — Apr 61
Mon 3/30
Mon 4/6
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 February 28, 2026.

This Air Canada deal was found by Cheapflights users on 2/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:30 pm
BDL
-
SYD
2 stops25h 50m
Multiple Airlines
Sat 5/309:20 am
SYD
-
BDL
2 stops27h 39m
Multiple Airlines
Deal found 2/27$1,134
This United Airlines deal was found by Cheapflights users on 2/28. 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.
Fri 4/38:16 pm
BOS
-
SYD
1 stop44h 39m
United Airlines
Thu 5/1410:20 am
SYD
-
BOS
1 stop25h 07m
United Airlines
Deal found 2/28$1,170
This Qantas Airways deal was found by Cheapflights users on 2/27. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:20 pm
BOS
-
SYD
1 stop24h 40m
Qantas Airways
Thu 3/1911:20 am
SYD
-
BOS
1 stop23h 11m
Qantas Airways
Deal found 2/27$1,171
This Qantas Airways deal was found by Cheapflights users on 2/26. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:44 am
BDL
-
SYD
1 stop33h 11m
Qantas Airways
Wed 3/46:05 am
SYD
-
BDL
2 stops33h 16m
Qantas Airways
Deal found 2/26$1,172
This Qantas Airways deal was found by Cheapflights users on 2/28. 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.
Fri 7/178:00 am
BOS
-
SYD
1 stop33h 05m
Qantas Airways
Sun 7/269:10 am
SYD
-
BOS
1 stop28h 19m
Qantas Airways
Deal found 2/28$1,172
This United Airlines deal was found by Cheapflights users on 2/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:02 pm
BDL
-
SYD
2 stops25h 58m
United Airlines
Wed 6/39:30 am
SYD
-
BDL
2 stops23h 27m
United Airlines
Deal found 2/27$1,176
This United Airlines deal was found by Cheapflights users on 2/28. 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.
Fri 6/266:26 pm
BOS
-
SYD
1 stop22h 34m
United Airlines
Sat 7/119:30 am
SYD
-
BOS
2 stops45h 34m
United Airlines
Deal found 2/28$1,176
This United Airlines deal was found by Cheapflights users on 2/28. 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 4/143:30 pm
BDL
-
SYD
2 stops25h 30m
United Airlines
Tue 4/2110:20 am
SYD
-
BDL
2 stops25h 17m
United Airlines
Deal found 2/28$1,177
This Delta deal was found by Cheapflights users on 2/28. 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.
Wed 7/2210:55 am
BOS
-
SYD
1 stop29h 55m
Delta
Sat 8/19:15 am
SYD
-
BOS
1 stop24h 23m
Delta
Deal found 2/28$1,177
This Air Canada deal was found by Cheapflights users on 2/25. 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 4/26:40 pm
BOS
-
SYD
3 stops46h 40m
Air Canada
Thu 4/239:20 am
SYD
-
BOS
2 stops38h 29m
Air Canada
Deal found 2/25$1,178
This Air Canada deal was found by Cheapflights users on 2/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:30 am
BOS
-
SYD
2 stops35h 50m
Air Canada
Sun 4/269:20 am
SYD
-
BOS
3 stops38h 29m
Air Canada
Deal found 2/26$1,179
This Delta deal was found by Cheapflights users on 2/28. 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 7/185:40 am
BOS
-
SYD
2 stops35h 10m
Delta
Sun 7/269:15 am
SYD
-
BOS
2 stops24h 30m
Delta
Deal found 2/28$1,182

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 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,134
(Air Canada)

One-way from

$441
(Air Canada)

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 ($237 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 28, 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

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Mon 5/18

3:25 pm-7:00 am

2 stops25h 35m

Sydney Kingsford Smith

Wed 5/27

9:30 am-9:48 pm

2 stops26h 18m

$1,176

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Tue 4/14

3:30 pm-7:00 am

2 stops25h 30m

Sydney Kingsford Smith

Tue 4/21

10:20 am-9:37 pm

2 stops25h 17m

$1,177

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Fri 3/13

12:07 pm-8:05 am

2 stops28h 58m

Sydney Kingsford Smith

Sun 3/22

2:00 pm-5:51 am

2 stops30h 51m

$1,211

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 3/28

8:21 pm-8:05 am

1 stop44h 44m

Sydney Kingsford Smith

Fri 5/1

6:25 am-8:04 am

2 stops39h 39m

$1,218

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 8/24

2:40 pm-7:00 am

2 stops26h 20m

Sydney Kingsford Smith

Mon 8/31

9:30 am-5:58 am

2 stops34h 28m

$1,221

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Mon 6/1

6:00 am-7:00 am

3 stops35h 00m

Sydney Kingsford Smith

Sat 6/13

9:30 am-6:58 pm

2 stops23h 28m

$1,224

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Fri 6/5

6:00 am-7:00 am

3 stops35h 00m

Sydney Kingsford Smith

Tue 6/16

10:20 am-9:48 pm

2 stops25h 28m

$1,225

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Wed 5/27

2:43 pm-7:05 am

2 stops26h 22m

Sydney Kingsford Smith

Wed 6/3

12:00 pm-11:26 pm

1 stop25h 26m

$1,263

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Fri 5/1

6:05 am-6:55 am

2 stops34h 50m

Sydney Kingsford Smith

Sat 5/16

9:30 am-6:57 pm

2 stops23h 27m

$1,267

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Fri 5/1

2:21 pm-6:50 am

2 stops26h 29m

Sydney Kingsford Smith

Sat 5/16

9:15 am-12:33 am

2 stops29h 18m

$1,271

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

Showing 1-10 of 45 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 $1,056). 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 $1,176, United Airlines can have you in Sydney from Massachusetts in 25h 35m. 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), 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

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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 February 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$385FlexibilityNo cancel feeOn-time62%
DeltaCheapest$318Average$1,306FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$731Average$1,389FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$735Average$1,241FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$824Average$1,467FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$958Average$1,455FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,079Average$1,440FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,224Average$1,414FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,238Average$1,558FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,318Average$1,556FlexibilityNo cancel feeOn-time72%

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