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$695+ Cheap flights from Sydney (SYD) to Boston (BOS)

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOS
Apr 14 — Apr 211
Tue 4/14
Tue 4/21
1 adult, Economy
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Find cheap flights from Sydney to Boston with Cheapflights

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Cheap flight deals from Sydney to Boston

Cheapest flights from Sydney to Boston
Explore the most affordable flight options available from Sydney to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 15, 2026.

This BYOjet deal was found by Cheapflights users on 3/10. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:55 am
SYD
-
BOS
2 stops34h 06m
Air New Zealand
Tue 8/187:00 am
BOS
-
SYD
2 stops35h 45m
Air New Zealand
Deal found 3/10$1,086
This BYOjet deal was found by Cheapflights users on 3/11. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:55 am
SYD
-
BOS
2 stops33h 55m
Air New Zealand
Wed 8/265:35 pm
BOS
-
SYD
2 stops34h 35m
Air New Zealand
Deal found 3/11$1,117
This lol.travel deal was found by Cheapflights users on 3/14. 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.
Thu 4/239:20 am
SYD
-
BOS
2 stops38h 29m
Air Canada
Wed 5/612:30 pm
BOS
-
SYD
2 stops28h 50m
Air Canada
Deal found 3/14$1,180
This BYOjet deal was found by Cheapflights users on 3/10. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:55 am
SYD
-
BOS
2 stops36h 06m
Air New Zealand
Sun 6/216:00 am
BOS
-
SYD
2 stops36h 45m
Air New Zealand
Deal found 3/10$1,184
This Jettzy deal was found by Cheapflights users on 3/15. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:20 am
SYD
-
BOS
2 stops38h 29m
Air Canada
Mon 5/185:10 am
BOS
-
SYD
2 stops36h 10m
Air Canada
Deal found 3/15$1,194
This Jetabroad deal was found by Cheapflights users on 3/15. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:20 am
SYD
-
BOS
2 stops27h 19m
Air Canada
Wed 5/612:30 pm
BOS
-
SYD
2 stops28h 50m
Air Canada
Deal found 3/15$1,201
This Jettzy deal was found by Cheapflights users on 3/14. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:20 am
SYD
-
BOS
2 stops38h 34m
Air Canada
Tue 5/1210:35 am
BOS
-
SYD
2 stops30h 45m
Air Canada
Deal found 3/14$1,203
This Air New Zealand deal was found by Cheapflights users on 3/10. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:55 am
SYD
-
BOS
2 stops34h 06m
Multiple Airlines
Tue 8/187:10 am
BOS
-
SYD
3 stops35h 35m
Multiple Airlines
Deal found 3/10$1,206

Find flight deals from Sydney to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,086
(BYOjet)

One-way from

$695
(Jetabroad)

Popular in

December

Cheapest in

October

Average price

$1,219
Provider with most accurate pricing for Sydney Kingsford Smith-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Boston Logan Intl flights.
Search Deals
From Sydney Kingsford Smith to Boston Logan Intl
Search Deals
One-way flight from Sydney Kingsford Smith to Boston Logan Intl
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 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 Sydney to Boston 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 15, 2026.
Use the filters below to find and compare flights from Sydney to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 8/11

11:55 am-9:23 am

3 stops35h 28m

Boston Logan Intl

Wed 8/26

4:15 pm-8:45 am

2 stops26h 30m

$1,283

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Fri 6/5

8:45 pm-4:32 pm

2 stops33h 47m

Boston Logan Intl

Wed 9/2

6:32 pm-6:50 pm

2 stops34h 18m

$1,414

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 4/30

8:45 pm-4:53 pm

3 stops34h 08m

Boston Logan Intl

Tue 5/12

6:42 pm-6:50 pm

2 stops34h 08m

$1,442
Quickest round-trip

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sun 6/7

9:10 am-4:39 pm

1 stop21h 29m

Boston Logan Intl

Tue 6/16

6:00 pm-7:05 am

1 stop23h 05m

$1,463

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 8/4

9:10 am-4:42 pm

1 stop21h 32m

Boston Logan Intl

Tue 8/18

4:38 pm-6:55 am

2 stops24h 17m

$1,517

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 5/5

9:15 am-7:20 pm

1 stop48h 05m

Boston Logan Intl

Mon 8/31

5:00 pm-6:50 am

1 stop23h 50m

$1,526

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 8/13

8:45 pm-6:30 am

2 stops23h 45m

Boston Logan Intl

Tue 8/18

7:36 pm-6:50 pm

3 stops33h 14m

$1,538

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 4/30

9:10 am-4:53 pm

1 stop21h 43m

Boston Logan Intl

Tue 5/12

1:00 pm-10:30 am

2 stops31h 30m

$1,628

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 5/6

9:30 am-5:14 pm

2 stops45h 44m

Boston Logan Intl

Fri 8/28

6:33 pm-7:00 am

1 stop22h 27m

$1,651

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 5/7

9:30 am-5:14 pm

2 stops45h 44m

Boston Logan Intl

Fri 8/28

7:20 am-7:00 am

1 stop33h 40m

$1,651

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 21 resultsSorted by cheapest first
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3

Compare providers for flights from Sydney to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Boston in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sydney to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Sydney 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 Sydney to Boston

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

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Boston. Price data was last updated on March 6, 2026.

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Sydney to Boston (average of $612). Flying from Sydney to Boston in April is currently the most expensive (average of $1,040). 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.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated March 15, 2026.
Read reviews from past customers who have flown Delta,Qantas Airways, andUnited Airlines from Sydney to Boston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,292 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,292 reviews
Delta
7.9
Good
8,292 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qantas Airways
7.5
Good
1,004 reviews
Delta
7.9
Good
8,292 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,424 reviews
Delta
7.9
Good
8,292 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sydney to Boston?

    For as low as $1,463, United Airlines can have you in Boston from Sydney in 21h 29m. Sydney and Boston are separated by a distance of 10091 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Sydney to Boston round-trip?

    Currently priced at $829, United Airlines will fly you from Sydney to Boston and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Qantas Airways - these airlines can fly you to your destination from $839 and $900, respectively. United Airlines is priced at 29% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Sydney to Boston one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $385. Users have also found prices from $497 and $502 on American Airlines and United Airlines, respectively.

  • Can I find deals for flights from Sydney to Boston that include hotel bookings?

    Yes. In addition to deals on Sydney to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Boston.

  • Can I find deals for business class flights from Sydney to Boston?

    Yes. Cheapflights offers flight deals from Sydney to Boston 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 Sydney to Boston?

    Currently, October is the cheapest month in which you can book a flight from Sydney to Boston (average of $612). Flying from Sydney to Boston in April is currently the most expensive (average of $1,040). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Cambridge
Concord
Hampton Beach
Watertown
Seekonk
Brockton
Seabrook
Cranston
Chelsea
Smithfield
Lincoln
Warwick
Peabody
Waltham
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Hartford flights

Top 3 airlines flying from Sydney to Boston

Discover the top 3 airlines that operate flights from Sydney to Boston. 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 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$829Average$1,259FlexibilityNo cancel feeOn-time69%
DeltaCheapest$839Average$1,483FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$900Average$1,335FlexibilityNo cancel feeOn-time74%

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