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Cheap flights from Sydney to Boston from $769

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BOS
9 Sep — 16 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Boston

Enter your travel dates to find the best prices.

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 10 August 2026.

Wed 14/1010:20 -
2 stops38h 30m
Thu 22/1010:40 -
2 stops30h 40m
Deal found 9/8$1,372
Mon 21/909:20 -
2 stops46h 44m
Mon 28/910:50 -
2 stops30h 30m
Deal found 7/8$1,380
Thu 6/809:10 -
1 stop28h 34m
Wed 19/815:53 -
2 stops25h 12m
Deal found 5/8$1,383
Thu 6/809:10 -
2 stops23h 32m
Wed 19/816:27 -
2 stops24h 38m
Deal found 5/8$1,407
Thu 10/909:20 -
2 stops38h 35m
Wed 23/910:50 -
2 stops30h 30m
Deal found 7/8$1,410
Wed 14/1010:20 -
3 stops38h 30m
Thu 22/1012:36 -
2 stops28h 44m
Deal found 9/8$1,412
Mon 17/809:10 -
1 stop36h 26m
Mon 31/815:53 -
2 stops25h 12m
Deal found 7/8$1,413
Mon 19/1010:20 -
2 stops38h 35m
Tue 10/1118:25 -
3 stops47h 10m
Deal found 8/8$1,428
Thu 27/810:20 -
1 stop20h 47m
Sat 5/919:23 -
2 stops45h 32m
Deal found 5/8$1,440
Mon 19/1010:20 -
2 stops26h 06m
Thu 12/1111:10 -
2 stops30h 25m
Deal found 8/8$1,453

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 10 August 2026.

Round-trip from

$1,372

One-way from

$769

Popular in

December

Cheapest in

January

Average price

$1,652
Air Canada
  • Air Canada
  • 14/10-22/10
  • 4 total stops
  • 69h 10m total
  • Sydney to Boston
Search Deals
30/10
  • 30/10
  • 3 total stops
  • 36h 40m total
  • Sydney to Boston
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($54 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 10 August 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 return flight

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Thu 10/9

09:15-23:59

2 stops28h 44m

Boston Logan Intl

Wed 23/9

16:30-06:50

1 stop24h 20m

$1,741

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 21/10

10:15-19:28

1 stop24h 13m

Boston Logan Intl

Sat 14/11

19:35-08:30

2 stops44h 55m

$1,747

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 21/9

10:20-21:02

1 stop24h 42m

Boston Logan Intl

Mon 28/9

16:15-06:55

1 stop24h 40m

$1,836
Fastest return journey

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Tue 15/9

09:30-21:59

2 stops26h 29m

Boston Logan Intl

Tue 29/9

18:17-06:55

1 stop22h 38m

$1,844

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Wed 16/9

09:15-19:25

1 stop24h 10m

Boston Logan Intl

Wed 23/9

09:05-06:50

2 stops31h 45m

$1,844

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Sun 30/8

10:20-19:10

1 stop22h 50m

Boston Logan Intl

Sat 5/9

17:38-07:00

2 stops47h 22m

$1,888
Cheapest one-way

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Fri 30/10

14:00-11:40

3 stops36h 40m

$769

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 16/11

15:15-22:00

1 stop46h 45m

$989

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 16/11

21:30-14:10

1 stop32h 40m

$1,003

SydneyBoston

SYD Sydney Kingsford Smith - BOS Boston Logan Intl

SYDBOS

Sydney Kingsford Smith

Mon 16/11

10:40-22:55

2 stops28h 15m

$1,020

Flights are sorted by cheapest return flights first.

Deals found on 8/8

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 return 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?

To ensure you get the cheapest price possible for a flight from Sydney to Boston, you should look to book at least 20 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 Sydney to Boston?

Currently, January is the cheapest month in which you can book a flight from Sydney to Boston (average of $1,185). Flying from Sydney to Boston in December is currently the most expensive (average of $2,097). 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 for a return flight from Sydney to Boston?

Airfare is typical for this route at the moment.

Sydney to Boston flights typically cost between $1,280 and $1,776 in October.
The cheapest return price found within the last 5 days was $1,372 on Air Canada (14 Oct–22 Oct).

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 10 August 2026.
Get a feel of what it's like to fly with Delta,Qantas Airways, andUnited Airlines from Sydney to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,503 reviews
Check prices

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
7.8
Good
8,503 reviews
Delta
7.8
Good
8,503 reviews
Check prices

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Qantas Airways
7.5
Good
1,081 reviews
Delta
7.8
Good
8,503 reviews
Check prices

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
United Airlines
7.4
Good
10,101 reviews
Delta
7.8
Good
8,503 reviews
Check prices

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
American Airlines
7.1
Good
11,899 reviews
Delta
7.8
Good
8,503 reviews
Check prices

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Air Canada
7.1
Good
11,460 reviews
Delta
7.8
Good
8,503 reviews
Check prices

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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?

    Delta and United Airlines can get you from Sydney to Boston in just under 24h 42m. Your travel time can differ by up to 4h 02m. Sydney and Boston are separated by a distance of 16240 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Flying on Virgin Australia is currently your cheapest option to Boston, with prices starting at $701. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at $1,067 and $1,122, respectively. Users have found that Virgin Australia is 58% cheaper than the other options available to this destination.

  • 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 holiday 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 $1,185). Flying from Sydney to Boston in December is currently the most expensive (average of $2,097). 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Watertown
Brookline
Revere
Cambridge
Chestnut Hill

Browse thousands of different options on Cheapflights for your next trip

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Fly from Sydney to Boston on these airlines

Choose from the following airlines for your flight from Sydney to Boston. Flights are based on user searches made on Cheapflights and were last updated on 10 August 2026.
United Airlines flights from Sydney Kingsford Smith to Boston Logan Intl
Air Canada flights from Sydney Kingsford Smith to Boston Logan Intl
Virgin Australia flights from Sydney Kingsford Smith to Boston Logan Intl

Top 6 airlines flying from Sydney to Boston

Discover the top 6 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 647,157 searches. Data last updated 10 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$701Average$1,524FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
United AirlinesCheapest$1,067Average$1,562FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,122Average$1,808FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapest$1,170Average$2,015FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapest$1,239Average$1,767FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,257Average$1,744FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Boston?

Deals for Sydney to Boston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Boston?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Boston for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sydney to Boston with no change fees?

Certainly. Search results for flights to Boston from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Sydney to Boston become cheaper?

Yes, Cheapflights offers price alerts on Sydney to Boston flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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