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$586+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOS
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Boston Logan Intl are usually found in February 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$973
(Gotogate)

One-way from

$586
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,204
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. 6% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This Gotogate deal was found by Cheapflights users on 3/24. 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.
Tue 7/299:20 amSYD - BOS
2 stops38h 35mAir Canada
Tue 8/1210:20 amBOS - SYD
2 stops31h 00mAir Canada
Deal found 3/24$973
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 5/19:10 amSYD - BOS
1 stop35h 50mAmerican Airlines
Sat 5/178:07 pmBOS - SYD
1 stop44h 48mAmerican Airlines
Deal found 3/24$1,098
This Aunt Betty deal was found by Cheapflights users on 3/24. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/295:45 pmSYD - BOS
2 stops26h 15mMultiple Airlines
Tue 8/128:20 amBOS - SYD
1 stop32h 45mMultiple Airlines
Deal found 3/24$1,122
This Qantas Airways deal was found by Cheapflights users on 3/25. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/299:10 amSYD - BOS
1 stop35h 55mQantas Airways
Sun 8/178:20 amBOS - SYD
1 stop32h 45mQantas Airways
Deal found 3/25$1,135
This United deal was found by Cheapflights users on 3/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:30 amSYD - BOS
2 stops24h 25mUnited Airlines
Sat 5/175:00 pmBOS - SYD
2 stops48h 00mUnited Airlines
Deal found 3/24$1,149
This Aunt Betty deal was found by Cheapflights users on 3/25. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:40 amSYD - BOS
1 stop29h 20mCathay Pacific
Tue 10/281:30 amBOS - SYD
1 stop28h 20mCathay Pacific
Deal found 3/25$1,205
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/319:25 amSYD - BOS
2 stops28h 31mDelta
Fri 8/151:55 pmBOS - SYD
2 stops26h 40mDelta
Deal found 3/25$1,206

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 26, 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

Tue 7/29

9:20 am-9:55 am

2 stops38h 35m

Boston Logan Intl

Tue 8/12

10:20 am-7:20 am

2 stops31h 00m

$973

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 5/1

9:10 am-7:00 am

1 stop35h 50m

Boston Logan Intl

Sat 5/17

8:07 pm-6:55 am

1 stop44h 48m

$1,098

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 7/29

5:45 pm-6:00 am

2 stops26h 15m

Boston Logan Intl

Tue 8/12

8:20 am-7:05 am

1 stop32h 45m

$1,122

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Tue 7/29

9:10 am-7:05 am

1 stop35h 55m

Boston Logan Intl

Sun 8/17

8:20 am-7:05 am

1 stop32h 45m

$1,135

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 5/1

9:30 am-7:55 pm

2 stops24h 25m

Boston Logan Intl

Sat 5/17

5:00 pm-7:00 am

2 stops48h 00m

$1,149

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 7/31

9:25 am-11:56 pm

2 stops28h 31m

Boston Logan Intl

Fri 8/15

1:55 pm-6:35 am

2 stops26h 40m

$1,206

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Wed 6/25

7:40 am-11:00 pm

1 stop29h 20m

Boston Logan Intl

Sun 7/27

1:40 am-8:40 am

1 stop41h 00m

$1,356

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Thu 7/31

7:10 am-10:31 pm

3 stops29h 21m

Boston Logan Intl

Fri 8/15

5:33 pm-3:10 pm

3 stops31h 37m

$3,132

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Fri 4/25

9:40 pm-7:55 am

2 stops24h 15m

Boston Logan Intl

Tue 5/6

8:00 am-7:45 pm

1 stop45h 45m

$6,109

SydneyBoston

SYD - BOS

SYDBOS

Sydney Kingsford Smith

Fri 4/25

8:55 pm-11:36 pm

2 stops40h 41m

Boston Logan Intl

Tue 5/6

3:05 pm-7:15 pm

2 stops38h 10m

$6,241

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 17 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 21, 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, January is the cheapest month in which you can book a flight from Sydney to Boston (average of $218). Flying from Sydney to Boston in July is currently the most expensive (average of $311). 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 March 26, 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 in the morning, which can drop the price by up to 22% versus a flight at noon.

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 26, 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, ANA and Delta from Sydney to Boston by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
61 reviews

Boarding

8.7

Entertainment

7.2

Overall

8.7

Food

7.8

Comfort

8.0

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very good
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Boarding

8.7

Entertainment

7.2

Overall

8.7

Food

7.8

Comfort

8.0

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very good
826 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Boarding

8.7

Entertainment

7.2

Overall

8.7

Food

7.8

Comfort

8.0

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Delta
8.0
Very good
7,891 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Boarding

8.7

Entertainment

7.2

Overall

8.7

Food

7.8

Comfort

8.0

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Hawaiian Airlines
7.9
Good
2,330 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Boarding

8.7

Entertainment

7.2

Overall

8.7

Food

7.8

Comfort

8.0

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Qantas Airways
7.5
Good
811 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Boarding

8.7

Entertainment

7.2

Overall

8.7

Food

7.8

Comfort

8.0

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

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

    Currently priced at $973, Air Canada will fly you from Sydney to Boston and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Qantas Airways - these airlines can fly you to your destination from $1,098 and $1,135, respectively. Air Canada is priced at 30% 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 Cathay Pacific. According to our data, you can fly for as low as $861. Users have also found prices from $868 and $896 on Air Canada 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, January is the cheapest month in which you can book a flight from Sydney to Boston (average of $218). Flying from Sydney to Boston in July is currently the most expensive (average of $311). 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
Warwick
Marlborough
Waltham
Cambridge
Framingham
Chestnut Hill
Seekonk
Randolph
Brockton
Lowell
West Yarmouth
Woburn
Somerville
Saco
Burlington
Smithfield
Salem
Chelsea
Seabrook
Brookline

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
Albury to Boston flights
Coolangatta to Boston flights

Top 5 airlines flying from Sydney to Boston

Discover the top 5 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,036Average$1,354FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,120Average$1,560FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,144Average$1,271FlexibilityNo cancel feeOn-time71%
Virgin AustraliaCheapest$1,280Average$1,575FlexibilityNo cancel feeOn-time80%
DeltaCheapest$1,344Average$1,700FlexibilityNo cancel feeOn-timeN/A
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