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$482+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
May 1 — May 81
Fri 5/1
Fri 5/8
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 April 1, 2026.

This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:50 pm
BOS
-
SYD
2 stops46h 30m
Air Canada
Thu 6/49:20 am
SYD
-
BOS
2 stops38h 25m
Air Canada
Deal found 3/27$1,219
This Air Canada deal was found by Cheapflights users on 4/1. 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
Mon 6/159:20 am
SYD
-
BOS
2 stops38h 25m
Air Canada
Deal found 4/1$1,222
This Air Canada deal was found by Cheapflights users on 4/1. 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 6/110:35 am
BOS
-
SYD
2 stops30h 45m
Air Canada
Mon 6/159:20 am
SYD
-
BOS
2 stops38h 25m
Air Canada
Deal found 4/1$1,225
This Air Canada deal was found by Cheapflights users on 3/31. 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 6/110:35 am
BOS
-
SYD
2 stops30h 45m
Air Canada
Sun 6/79:20 am
SYD
-
BOS
2 stops38h 25m
Air Canada
Deal found 3/31$1,226
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Thu 6/410:35 am
BOS
-
SYD
2 stops30h 45m
Air Canada
Thu 6/189:20 am
SYD
-
BOS
2 stops26h 07m
Air Canada
Deal found 3/27$1,227
This Air Canada deal was found by Cheapflights users on 3/30. 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 4/275:30 am
BOS
-
SYD
2 stops35h 50m
Air Canada
Mon 5/49:20 am
SYD
-
BOS
2 stops38h 25m
Air Canada
Deal found 3/30$1,230
This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2610:35 am
BOS
-
SYD
2 stops30h 45m
Air Canada
Tue 6/99:20 am
SYD
-
BOS
2 stops46h 25m
Air Canada
Deal found 4/1$1,232
This FlightHub deal was found by Cheapflights users on 3/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:45 am
BOS
-
SYD
2 stops35h 35m
Air Canada
Tue 9/19:20 am
SYD
-
BOS
2 stops46h 22m
Air Canada
Deal found 3/30$1,233
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:12 pm
BDL
-
SYD
2 stops31h 13m
ANA
Tue 8/2511:45 am
SYD
-
BDL
2 stops40h 44m
ANA
Deal found 3/31$1,440
This American Airlines deal was found by Cheapflights users on 3/31. 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 8/46:00 pm
BDL
-
SYD
1 stop22h 55m
American Airlines
Tue 8/2512:00 pm
SYD
-
BDL
1 stop25h 40m
American Airlines
Deal found 3/31$1,562
This American Airlines deal was found by Cheapflights users on 3/31. 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 8/312:10 pm
BDL
-
SYD
2 stops28h 55m
American Airlines
Wed 8/1912:00 pm
SYD
-
BDL
1 stop25h 40m
American Airlines
Deal found 3/31$1,566
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 5/116:05 am
BDL
-
SYD
2 stops34h 50m
United Airlines
Mon 5/189:30 am
SYD
-
BDL
2 stops23h 12m
United Airlines
Deal found 3/27$1,567

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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,199
(Air Canada)

One-way from

$482
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,496
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 April 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 April 1, 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

Mon 5/4

8:05 am-7:00 am

2 stops32h 55m

Sydney Kingsford Smith

Mon 5/11

10:20 am-9:27 pm

1 stop25h 07m

$1,557

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 5/4

8:05 am-7:00 am

2 stops32h 55m

Sydney Kingsford Smith

Mon 6/8

9:30 am-5:20 pm

1 stop21h 50m

$1,558

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 4/20

3:28 pm-7:00 am

2 stops25h 32m

Sydney Kingsford Smith

Tue 4/28

9:30 am-6:55 pm

1 stop23h 25m

$1,558
Quickest round-trip

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Tue 5/12

3:43 pm-7:00 am

2 stops25h 17m

Sydney Kingsford Smith

Wed 5/27

10:20 am-5:04 pm

1 stop20h 44m

$1,558

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Tue 8/4

6:00 pm-6:55 am

1 stop22h 55m

Sydney Kingsford Smith

Tue 8/25

12:00 pm-11:40 pm

1 stop25h 40m

$1,562

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Wed 5/13

6:05 am-6:55 am

2 stops34h 50m

Sydney Kingsford Smith

Wed 5/20

9:30 am-6:42 pm

2 stops23h 12m

$1,566

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Mon 5/11

6:05 am-6:55 am

2 stops34h 50m

Sydney Kingsford Smith

Mon 5/18

9:30 am-6:42 pm

2 stops23h 12m

$1,567

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Tue 8/4

6:00 am-7:00 am

3 stops35h 00m

Sydney Kingsford Smith

Tue 8/25

10:20 am-7:04 pm

2 stops22h 44m

$1,570

WorcesterSydney

ORH - SYD

ORHSYD

Worcester

Wed 5/13

2:39 pm-6:55 am

2 stops26h 16m

Sydney Kingsford Smith

Wed 5/20

12:00 pm-4:53 pm

2 stops42h 53m

$1,604

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 5/4

8:05 am-7:00 am

2 stops32h 55m

Sydney Kingsford Smith

Fri 5/29

10:20 am-9:21 pm

1 stop25h 01m

$1,607

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 37 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 $1,562, United Airlines can have you in Sydney from Massachusetts in 22h 55m. 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 ($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 West Tisbury Martha's Vineyard - 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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$279FlexibilityNo cancel feeOn-time62%
DeltaCheapest$318Average$1,455FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$731Average$1,429FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$907Average$1,323FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,081Average$1,435FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,147Average$1,454FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,166Average$1,414FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$1,167Average$1,568FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$1,233Average$1,558FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,318Average$1,559FlexibilityNo cancel feeOn-time72%

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