HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$602+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SYD
May 29 — Jun 51
Fri 5/29
Fri 6/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Massachusetts to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 29, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:30 pm
BOS
-
SYD
2 stops40h 40m
ANA
Sun 8/308:55 pm
SYD
-
BOS
2 stops31h 50m
ANA
Deal found 4/27$1,328
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 7/281:37 pm
BOS
-
SYD
2 stops27h 18m
United Airlines
Wed 8/2610:20 am
SYD
-
BOS
1 stop22h 42m
United Airlines
Deal found 4/27$1,339
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 5/48:05 am
BOS
-
SYD
2 stops32h 55m
United Airlines
Mon 5/119:30 am
SYD
-
BOS
1 stop21h 25m
United Airlines
Deal found 4/28$1,340
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/93:30 pm
BDL
-
SYD
2 stops25h 30m
United Airlines
Tue 6/169:30 am
SYD
-
BDL
2 stops27h 29m
United Airlines
Deal found 4/25$1,344
This Delta deal was found by Cheapflights users on 4/28. 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.
Mon 5/49:30 am
BOS
-
SYD
2 stops31h 20m
Delta
Mon 5/119:15 am
SYD
-
BOS
2 stops23h 54m
Delta
Deal found 4/28$1,344
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Sat 8/18:20 pm
BOS
-
SYD
1 stop44h 35m
United Airlines
Mon 8/2410:20 am
SYD
-
BOS
1 stop20h 45m
United Airlines
Deal found 4/27$1,352
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 8/88:20 pm
BOS
-
SYD
1 stop44h 35m
United Airlines
Sun 8/3010:20 am
SYD
-
BOS
1 stop20h 45m
United Airlines
Deal found 4/28$1,353
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:10 am
BOS
-
SYD
2 stops35h 15m
ANA
Tue 9/18:55 pm
SYD
-
BOS
2 stops31h 50m
ANA
Deal found 4/28$1,356
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 5/24:52 pm
BOS
-
SYD
2 stops48h 03m
United Airlines
Sun 5/179:30 am
SYD
-
BOS
2 stops23h 56m
United Airlines
Deal found 4/28$1,362
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:35 am
BOS
-
SYD
2 stops30h 45m
Air Canada
Tue 6/169:20 am
SYD
-
BOS
2 stops38h 25m
Air Canada
Deal found 4/28$1,379
This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:00 pm
BOS
-
SYD
2 stops30h 50m
Turkish Airlines
Fri 11/139:45 pm
SYD
-
BOS
2 stops36h 20m
Turkish Airlines
Deal found 4/27$1,381
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Thu 7/306:26 pm
BOS
-
SYD
1 stop22h 34m
United Airlines
Wed 8/269:30 am
SYD
-
BOS
1 stop21h 53m
United Airlines
Deal found 4/27$1,389

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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,328
(Cheapflightsfares)

One-way from

$602
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,523
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 ($48 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 29, 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 5/11

6:01 pm-6:55 am

1 stop22h 54m

Sydney Kingsford Smith

Tue 6/16

10:20 am-9:21 pm

1 stop25h 01m

$1,340

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Tue 6/9

3:30 pm-7:00 am

2 stops25h 30m

Sydney Kingsford Smith

Tue 6/16

9:30 am-10:59 pm

2 stops27h 29m

$1,344
Quickest round-trip

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Thu 7/30

6:26 pm-7:00 am

1 stop22h 34m

Sydney Kingsford Smith

Sun 8/23

9:30 am-5:23 pm

1 stop21h 53m

$1,390

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sat 8/8

1:37 pm-6:55 am

2 stops27h 18m

Sydney Kingsford Smith

Sun 8/30

9:30 am-8:59 pm

2 stops25h 29m

$1,390

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Fri 6/12

6:09 am-6:55 am

2 stops34h 46m

Sydney Kingsford Smith

Fri 6/19

9:30 am-9:48 pm

2 stops26h 18m

$1,444

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Fri 6/12

6:26 pm-7:00 am

1 stop22h 34m

Sydney Kingsford Smith

Fri 6/19

9:30 am-9:53 pm

2 stops26h 23m

$1,444

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Sun 10/18

3:00 pm-7:50 am

2 stops25h 50m

Sydney Kingsford Smith

Sun 11/1

10:40 am-8:11 pm

2 stops24h 31m

$1,464

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Mon 10/19

5:00 pm-7:50 am

1 stop23h 50m

Sydney Kingsford Smith

Mon 11/2

10:40 am-8:26 pm

2 stops25h 46m

$1,464

BostonSydney

BOS - SYD

BOSSYD

Boston Logan Intl

Fri 9/11

5:00 pm-6:50 am

1 stop23h 50m

Sydney Kingsford Smith

Sun 9/27

9:15 am-7:38 pm

1 stop24h 23m

$1,510

HartfordSydney

BDL - SYD

BDLSYD

Hartford Bradley Intl

Sun 10/18

3:25 pm-8:00 am

2 stops25h 35m

Sydney Kingsford Smith

Sun 11/8

11:50 am-10:57 pm

1 stop27h 07m

$1,659

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 40 resultsSorted by cheapest first
1
2
3
4

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

How far ahead should I book a flight from Massachusetts to Sydney?

To ensure you get the cheapest price possible for a flight from Massachusetts to Sydney, you should look to book at least 54 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Massachusetts to Sydney?

Currently, February is the cheapest month in which you can book a flight from Massachusetts to Sydney (average of $179). Flying from Massachusetts to Sydney in July is currently the most expensive (average of $1,134). 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 $1,340, United Airlines can have you in Sydney from Massachusetts in 22h 54m. 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, February is the cheapest month in which you can book a flight from Massachusetts to Sydney (average of $179). Flying from Massachusetts to Sydney in July is currently the most expensive (average of $1,134). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from Massachusetts to Sydney

Discover the top 9 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$179Average$273FlexibilityNo cancel feeOn-time62%
DeltaCheapest$312Average$1,441FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$727Average$1,059FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$907Average$1,318FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$1,074Average$1,431FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,145Average$1,575FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,147Average$1,453FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,166Average$1,414FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,233Average$1,553FlexibilityNo cancel feeOn-time68%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.