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$459+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 11, 2026.

This Air Canada deal was found by Cheapflights users on 3/9. 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 11/810:20 am
BOS
-
SYD
2 stops31h 15m
Air Canada
Thu 11/1211:20 am
SYD
-
BOS
2 stops24h 57m
Air Canada
Deal found 3/9$1,167
This Air Canada deal was found by Cheapflights users on 3/6. 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 6/126:25 pm
BOS
-
SYD
2 stops46h 55m
Air Canada
Sun 7/129:20 am
SYD
-
BOS
2 stops51h 18m
Air Canada
Deal found 3/6$1,168
This Air Canada deal was found by Cheapflights users on 3/6. 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 6/115:50 am
BOS
-
SYD
2 stops35h 30m
Air Canada
Mon 7/139:20 am
SYD
-
BOS
2 stops44h 48m
Air Canada
Deal found 3/6$1,171
This Delta deal was found by Cheapflights users on 3/6. 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.
Fri 3/66:37 pm
BOS
-
SYD
2 stops44h 13m
Delta
Wed 3/189:40 am
SYD
-
BOS
2 stops28h 05m
Delta
Deal found 3/6$1,172
This Ovago deal was found by Cheapflights users on 3/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:45 am
BOS
-
SYD
1 stop30h 35m
ANA
Tue 4/149:20 am
SYD
-
BOS
2 stops38h 39m
ANA
Deal found 3/8$1,173
This KAYAK deal was found by Cheapflights users on 3/7. 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 3/117:55 am
BOS
-
SYD
1 stop34h 20m
Air New Zealand
Sun 3/2212:10 pm
SYD
-
BOS
1 stop27h 39m
Air New Zealand
Deal found 3/7$1,175
This Air Canada deal was found by Cheapflights users on 3/7. 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 3/311:00 pm
BOS
-
SYD
2 stops28h 20m
Air Canada
Tue 4/289:20 am
SYD
-
BOS
2 stops38h 29m
Air Canada
Deal found 3/7$1,176
This Air Canada deal was found by Cheapflights users on 3/7. 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 6/810:35 am
BOS
-
SYD
2 stops30h 45m
Air Canada
Wed 6/179:20 am
SYD
-
BOS
2 stops38h 30m
Air Canada
Deal found 3/7$1,177
This Delta deal was found by Cheapflights users on 3/6. 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 8/88:15 pm
BOS
-
SYD
1 stop44h 35m
Delta
Fri 8/219:15 am
SYD
-
BOS
1 stop24h 23m
Delta
Deal found 3/6$1,179
This Cheapflightsfares deal was found by Cheapflights users on 3/6. 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.
Wed 7/158:00 am
BOS
-
SYD
2 stops37h 30m
Qantas Airways
Wed 7/229:10 am
SYD
-
BOS
1 stop21h 25m
Qantas Airways
Deal found 3/6$1,180
This Air Canada deal was found by Cheapflights users on 3/9. 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 10/1410:40 am
BOS
-
SYD
2 stops30h 40m
Air Canada
Wed 10/2810:20 am
SYD
-
BOS
3 stops38h 17m
Air Canada
Deal found 3/9$1,181
This Orbitz deal was found by Cheapflights users on 3/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am
BOS
-
SYD
2 stops35h 20m
Air Canada
Wed 10/2110:20 am
SYD
-
BOS
2 stops26h 07m
Air Canada
Deal found 3/9$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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,168
(Air Canada)

One-way from

$459
(Air Canada)

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 ($185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($45 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 11, 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

Fri 3/13

5:59 pm-6:05 am

1 stop45h 06m

Sydney Kingsford Smith

Fri 3/20

9:40 am-9:22 pm

1 stop26h 42m

$1,220

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Fri 4/10

6:00 am-6:50 am

2 stops34h 50m

Sydney Kingsford Smith

Sun 4/19

9:15 am-11:57 am

2 stops40h 42m

$1,274

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

$1,316

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Tue 7/21

7:00 am-6:50 am

2 stops33h 50m

Sydney Kingsford Smith

Tue 7/28

9:15 am-11:32 pm

2 stops28h 17m

$1,413

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 5/2

12:30 pm-10:40 am

3 stops32h 10m

Sydney Kingsford Smith

Tue 5/12

11:55 am-9:25 am

3 stops35h 30m

$1,424

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 3/14

9:40 pm-9:55 pm

2 stops33h 15m

Sydney Kingsford Smith

Sun 3/22

3:50 pm-2:55 pm

1 stop38h 05m

$1,425

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 4/23

10:00 pm-5:10 pm

1 stop29h 10m

Sydney Kingsford Smith

Thu 4/30

8:45 pm-3:05 pm

1 stop32h 20m

$1,443

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 3/16

9:40 pm-6:50 pm

1 stop30h 10m

Sydney Kingsford Smith

Sun 3/22

9:40 pm-2:55 pm

1 stop32h 15m

$1,443

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Fri 3/13

9:40 pm-6:50 am

1 stop42h 10m

Sydney Kingsford Smith

Sat 3/21

7:00 pm-2:55 pm

2 stops34h 55m

$1,562

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 6/6

3:00 pm-7:05 am

1 stop26h 05m

Sydney Kingsford Smith

Sat 6/27

9:10 am-8:56 pm

1 stop25h 46m

$1,594

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

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 $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.

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 $1,425, Delta can have you in Sydney from Massachusetts in 33h 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), 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 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 $1,100). 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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$375FlexibilityNo cancel feeOn-time62%
DeltaCheapest$318Average$1,367FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$731Average$1,389FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$873Average$1,316FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,081Average$1,437FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,105Average$1,560FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,131Average$1,457FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,166Average$1,414FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,238Average$1,558FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,318Average$1,559FlexibilityNo cancel feeOn-time72%

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