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$690+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOS
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find cheap flights from Sydney to Boston 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”

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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Boston Logan Intl are usually found in October or March, booked 32 days in advance, depart on a Thursday or Sunday and return on a Wednesday

Cheap 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$910
(Gotogate)

One-way from

$690
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,039
Provider with most accurate pricing for Sydney Kingsford Smith-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Boston Logan Intl flights.
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From Sydney Kingsford Smith to Boston Logan Intl
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One-way flight from Sydney Kingsford Smith to Boston Logan Intl
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Highest demand for flights based on searches. 8% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 29, 2025.

This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:20 amSYD - BOS
3 stops46h 30mAir Canada
Mon 11/176:40 pmBOS - SYD
2 stops46h 55mAir Canada
Deal found 10/28$1,061
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:20 amSYD - BOS
3 stops46h 30mAir Canada
Wed 12/1010:15 amBOS - SYD
2 stops52h 40mAir Canada
Deal found 10/28$1,121
This Air Canada deal was found by Cheapflights users on 10/28. 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.
Thu 11/2711:20 amSYD - BOS
2 stops38h 12mAir Canada
Thu 12/45:30 amBOS - SYD
2 stops33h 25mAir Canada
Deal found 10/28$1,142

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 October 29, 2025.
Use the filters below to find and compare flights from Sydney to Boston that are best for you.

Fly from

Sydney

Fly to

Boston

Route

Depart

Return

Price

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 2/23

11:20 am-9:32 am

3 stops38h 12m

Boston Logan Intl

Tue 3/10

6:15 am-8:35 am

2 stops35h 20m

$1,073

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 11/27

11:20 am-9:32 am

2 stops38h 12m

Boston Logan Intl

Thu 12/4

5:30 am-6:55 am

2 stops33h 25m

$1,142

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 11/11

11:20 am-9:32 am

3 stops38h 12m

Boston Logan Intl

Tue 11/18

10:15 am-9:35 am

2 stops31h 20m

$1,147

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Mon 2/23

2:05 pm-9:26 pm

1 stop23h 21m

Boston Logan Intl

Tue 3/10

4:23 pm-9:00 am

2 stops25h 37m

$1,152

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 1/14

2:05 pm-10:19 pm

2 stops24h 14m

Boston Logan Intl

Wed 1/28

8:00 am-9:00 am

1 stop33h 00m

$1,160

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 1/14

2:00 pm-11:49 pm

2 stops25h 49m

Boston Logan Intl

Wed 1/28

10:56 am-6:20 am

1 stop27h 24m

$1,162

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 12/25

10:40 am-6:59 pm

2 stops24h 19m

Boston Logan Intl

Wed 1/14

5:50 am-8:30 am

2 stops34h 40m

$1,162

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 2/24

12:10 pm-5:02 pm

1 stop20h 52m

Boston Logan Intl

Wed 3/11

1:57 pm-6:20 am

2 stops25h 23m

$1,167

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Sat 11/22

10:45 am-4:20 pm

3 stops45h 35m

$690

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 11/25

9:50 pm-2:10 pm

3 stops56h 20m

$720

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 19 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sydney-Boston flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

Booking 32 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, March is the cheapest month in which you can book a flight from Sydney to Boston (average of $640). Flying from Sydney to Boston in April is currently the most expensive (average of $1,121). 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.

What is the cheapest time of day to fly from SYD to BOS?

Find hourly flight availability from Sydney to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

When flying from Sydney to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 34% versus a flight in the afternoon.

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 October 29, 2025.
Read reviews from past customers who have flown Delta, Qantas Airways, and United 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
7,994 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
Qantas Airways
7.5
Good
924 reviews
Delta
7.9
Good
7,994 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

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 $1,152, Air Canada can have you in Boston from Sydney in 23h 21m. 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 36% lower than the current average price of a flight leaving 3 months from now.

  • 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, March is the cheapest month in which you can book a flight from Sydney to Boston (average of $640). Flying from Sydney to Boston in April is currently the most expensive (average of $1,121). 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
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Peabody
Quincy
York Beach
Warwick
Swansea
Old Orchard Beach
Brockton
Waltham
Chelsea

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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
Coolangatta to Boston flights
Albury to Boston 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$829Average$1,352FlexibilityNo cancel feeOn-time69%
DeltaCheapest$839Average$1,700FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$900Average$1,351FlexibilityNo cancel feeOn-time74%

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